Grove Crane GMK 7450 Lattice Extension Operating Instruction Manual 2084730 – PDF DOWNLOAD

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Grove Crane GMK 7450 Lattice Extension Operating Instruction Manual 2084730 – PDF DOWNLOAD

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Grove Crane GMK 7450 Lattice Extension Operating Instruction Manual 2084730 – PDF DOWNLOAD

Language : English
Pages : 256
Downloadable : Yes
File Type : PDF

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DESCRIPTION:

Grove Crane GMK 7450 Lattice Extension Operating Instruction Manual 2084730 – PDF DOWNLOAD

Intended use:

• The truck crane GMK 7450 is constructed in accordance with the latest technology
  and the recognized safety regulations. Nevertheless, personal injury
  to the operator or a third party as well as damage to the crane and other
  property may occur during use.
• The truck crane may only be modified with the consent of the manufacturer.
• The truck crane GMK 7450 may only be used when in excellent working condition
  and for its intended purpose, and with due attention to safe operation
  and any possible hazards.
• Malfunctions that may affect the safe operation of the unit are to be corrected
  immediately.
• The GMK 7450 truck crane may only be operated at temperatures of between
  –25 and +40 °C if it is not equipped with the relevant special equipment.
• The GMK 7450 truck crane may only be used to vertically lift loads in the authorized
  rigging modes using a hook block that is reeved to the hoist rope.
• The weight and centre of distribution of the loads must be known. Any other
  use of the crane is not considered to represent intended use.
• The manufacturer is not liable for damage resulting from the improper or
  unauthorized use of the truck crane GMK 7450. The user shall take full responsibility
  for any such use.

Intended use also entails
– Observing the complete crane documentation consisting of the operating
instructions, the lifting capacity table, the outrigger pressure table and the
safety manual
– Observing the inspection and maintenance requirements specified in the
Maintenance manual.

TABLE OF CONTENTS:

Grove Crane GMK 7450 Lattice Extension Operating Instruction Manual 2084730 – PDF DOWNLOAD

Operating instructions lattice extension................................................................................  1
1 Important information.................................................................................................  7
	1.1 About these operating instructions..............................................................................  7
		Validity of these Operating Instructions........................................................................  7
		Prerequisites for assembly and operation........................................................................  7
		Safety instructions.............................................................................................  7
		Reference to other operating instructions.......................................................................  7
	1.2 Basic safety instructions.......................................................................................  8
		1.2.1 Warnings and symbols......................................................................................  8
	1.3 Intended use....................................................................................................  9
	1.4 Organisational measures......................................................................................... 11
	1.5 Personnel qualifications........................................................................................ 13
	1.6 Safety instructions for truck crane work........................................................................ 14
	1.7 Specifications in US units of measurement....................................................................... 16
		1.7.1 Boom extension........................................................................................... 16
		1.7.2 Luffing jib.............................................................................................. 17
2 Transport measurements, weights and allocation of the lattice extension sections...................................... 21
	2.1 Transport dimensions and weights................................................................................ 21
		2.1.1 Boom extension............................................................................................ 21
		2.1.2 Luffing jib............................................................................................... 22
	2.2 Assignment of the parts to luffing jibs......................................................................... 23
		2.2.1 Parts for the different boom extensions................................................................... 23
		2.2.2 Parts for the different luffing jibs...................................................................... 25
3 Boom extension........................................................................................................ 29
	3.1 Components and identification................................................................................... 29
		Components...................................................................................................... 29
		Identification.................................................................................................. 30
		Foot section.................................................................................................... 30
		Intermediate sections........................................................................................... 31
		Reducing piece.................................................................................................. 31
		Head piece...................................................................................................... 32
		Angle piece..................................................................................................... 32
	3.2 Possible combinations........................................................................................... 33
		Without angle offset........................................................................................... 33
		With angle offset............................................................................................... 36
	Fußstück............................................................................................................ 33
	3.3 Slinging points................................................................................................. 39
	3.4 Checklists for rigging work..................................................................................... 43
		3.4.1 CHECKLIST: Installing boom extension...................................................................... 43
		3.4.2 CHECKLIST: Removing the boom extension.................................................................... 47
	3.5 Description of rigging work..................................................................................... 51
		3.5.1 Pulling apart/pushing together intermediate sections...................................................... 51
			Folding up/folding out holders.............................................................................. 51
			Pulling apart intermediate sections......................................................................... 52
			Pushing in boom sections.................................................................................... 53
		3.5.2 Truck crane rigging mode during installation of the boom extension....................................... 55
		3.5.3 Hydraulic locking of the foot section..................................................................... 56
			Mounting the foot section.................................................................................. 56
			Removing the foot section.................................................................................. 58
		3.5.4 Handling the pins......................................................................................... 59
		3.5.5 Installing/removing the boom extension sections........................................................... 60
			Checks before installation/ removal......................................................................... 60
			Attachpins................................................................................................. 60
			Installation................................................................................................ 61
			Removal..................................................................................................... 62
		3.5.6 Blocking the joint on the foot section.................................................................... 64
		3.5.7 Angle piece............................................................................................... 65
			Inclining angle piece to 25................................................................................ 66
			Angle section at a 3 angle................................................................................. 66
		3.5.8 Deflection sheave......................................................................................... 67
			Folding up the deflection sheave............................................................................ 67
			Folding up the deflection sheave............................................................................ 67
		3.5.9 Changing the lifting limit switch and anemometer.......................................................... 68
		3.5.10 Electric connection to the foot section/main boom........................................................ 69
			Establishing a connection................................................................................... 69
			Detaching the connection.................................................................................... 70
		3.5.11 Electric connection to the head section/foot section..................................................... 70
			Connecting cable............................................................................................ 70
			Establishing a connection................................................................................... 71
			Detaching the connection.................................................................................... 72
		3.5.12 Reeve the hoist rope..................................................................................... 73
			Possible reeving methods................................................................................... 75
	3.6 Working with the boom extension................................................................................. 77
		Crane movements................................................................................................. 78
		SLI Overriding.................................................................................................. 78
			+........................................................................................................... 78
		Influence of the wind during operating with boom extension...................................................... 79
		3.6.1 Telescoping with rigged boom extension.................................................................... 81
	3.7 Driving with rigged crane and boom extension................................................................... 83
		3.7.1 Driving route............................................................................................. 83
		3.7.2 Position of the boom and the axle load.................................................................... 84
			12 m (39 ft) boom extension................................................................................. 86
			18 m (59ft) boom extension................................................................................. 87
			24 m (79ft) boom extension................................................................................. 88
			30 m (98ft) boom extension................................................................................. 89
			36 m (118ft) boom extension................................................................................ 90
			42 m (138ft) boom extension................................................................................ 91
			46 m (151ft) boom extension................................................................................ 92
			52 m (170ft) boom extension................................................................................ 93
			58 m (190ft) boom extension................................................................................ 94
			64 m (210ft) boom extension................................................................................ 95
			70 m (230ft) boom extension................................................................................ 96
			46 m (151ft) boom extension................................................................................ 97
			52 m (170ft) boom extension................................................................................ 98
			58 m (190ft) boom extension................................................................................ 99
			64 m (210ft) boom extension................................................................................100
			70 m (230ft) boom extension................................................................................101
		3.7.3 Driving the rigged crane..................................................................................102
			Checking the superstructure lock............................................................................102
				4.......................................................................................................102
			Retracting the outrigger...................................................................................102
			Switching over the suspension locking system................................................................102
			Driving.....................................................................................................103
			Supporting the truck crane.................................................................................104
			If necessary, rig the counterweight sections................................................................104
	3.8 Boom extension maintenance......................................................................................105
		3.8.1 Maintenance plans.........................................................................................105
			M 1 maintenance plan:.......................................................................................105
		3.8.2 Lubricant table...........................................................................................106
		3.8.3 Maintenance work..........................................................................................106
			Notes on cleaning work......................................................................................106
			Lubricating connecting pins.................................................................................106
4 Luffing jib...........................................................................................................109
	4.1 Additional operating and display elements in the cranecab.....................................................109
		4.1.1 Additional symbol in main menu............................................................................109
		4.1.2 Luffing jib submenu.......................................................................................110
		4.1.3 Function of the operating and display elements in the luffing jib submenu.................................112
			%...........................................................................................................112
			&...........................................................................................................112
			(...........................................................................................................113
			!...........................................................................................................114
			$...........................................................................................................114
			"...........................................................................................................114
			#...........................................................................................................115
			*...........................................................................................................117
			,...........................................................................................................117
			-...........................................................................................................118
	4.2 Components and identification...................................................................................119
		Components......................................................................................................119
		Identification..................................................................................................120
		Foot section....................................................................................................120
		Long intermediate sections......................................................................................121
		Reducing piece..................................................................................................121
		Head piece......................................................................................................122
		Luffing control arm.............................................................................................122
		Angle piece.....................................................................................................123
	4.3 Possible combinations...........................................................................................125
		Without angle offset...........................................................................................125
		With angle offset...............................................................................................127
	4.4 Slinging points.................................................................................................129
	4.5 Checklists for rigging work.....................................................................................133
		4.5.1 CHECKLIST: Rigging luffing jib............................................................................133
			(...........................................................................................................136
			&...........................................................................................................139
			%...........................................................................................................139
		4.5.2 CHECKLIST: Luffing jib removal............................................................................140
			%...........................................................................................................140
			&...........................................................................................................140
			(...........................................................................................................141
	4.6 Description of rigging work.....................................................................................145
		4.6.1 Pulling apart/pushing together intermediate sections......................................................145
			Folding up/folding out holders..............................................................................145
			Pulling apart intermediate sections.........................................................................146
			Pushing in boom sections....................................................................................147
		4.6.2 Rigging mode of the truck crane when mounting the luffing jib............................................149
		4.6.3 Installing/disassembling luffing control arm..............................................................150
			Installation................................................................................................150
			Disassembly.................................................................................................153
		4.6.4 Hydraulic locking of the foot section.....................................................................156
			Mounting the foot section..................................................................................156
			Removing the foot section..................................................................................158
		4.6.5 Raising/placing the luffing jib...........................................................................160
			Raising the luffingjib....................................................................................160
			Setting down the luffing control arm.......................................................................161
			Raising/folding in railing..................................................................................161
		4.6.6 Manual control............................................................................................162
			Connecting the hand-held control............................................................................162
			Starting the crane engine with the hand-held control........................................................163
				p.......................................................................................................163
			Moving the hoisting gear....................................................................................163
				A B.....................................................................................................163
			Turning off crane engine with the hand-held control.........................................................164
				Q.......................................................................................................164
			Removing the hand-held control..............................................................................164
		4.6.7 If necessary, reeve the auxiliary hoist rope to the upper hookblock......................................165
		4.6.8 Preparing for rigging the upper hook block................................................................167
			Before mounting the foot section............................................................................167
			After mounting the foot section.............................................................................167
		4.6.9 Securing the upper hook block on the luffing control arm..................................................168
			Release the securing device on the upper hook block.........................................................168
			Pull the upper hook block towards the luffing control arm...................................................168
			Locking the upper hook block...............................................................................169
		4.6.10 Removing the upper hook block from the luffing control arm...............................................171
			Releasing the locking pin...................................................................................171
			Pull the upper hook block towards the catcher...............................................................172
			Secure the upper hook block in the catcher..................................................................172
		4.6.11 Connecting pins – holders and handling...................................................................173
			Holders.....................................................................................................173
				Handling the bolts......................................................................................173
		4.6.12 Replacing the intermediate sections on the foot section..................................................174
			Prerequisites...............................................................................................174
			When rigging................................................................................................175
			When unrigging..............................................................................................176
		4.6.13 Installing/disassembling jib sections and suspension bars................................................177
			Mounting....................................................................................................177
				• Sling the previously mounted boom section (1) using an auxiliary crane................................178
				• Raise the luffing jib until the bearing points (2) in the lower chord align...........................178
			Removal.....................................................................................................179
				• Release the connections (2) on both sides in the lower chord..........................................180
				• Lower the luffing jib using the auxiliary crane until the released boom section (1) is touching.......180
				• Repeat the procedure until only one boom section (1) is left on the intermediate section(2)..........180
				• Lift the luffing jib and lock the hinge (2) on the foot section.......................................180
				• Dismantle the last boom section (1)...................................................................180
			Transport protection rear pendant link....................................................................181
		4.6.14 Hinge lock in the foot section...........................................................................182
			Releasing the hinge lock...................................................................................182
			Locking the hinge...........................................................................................183
		4.6.15 Setting the angle position...............................................................................184
			Inclining angle piece to 22................................................................................185
			Inclining angle piece to 0.................................................................................185
		4.6.16 Deflection sheaves.......................................................................................186
			Folding up the deflection sheave...........................................................................186
			Folding up the deflection sheave...........................................................................186
		4.6.17 Changing the lifting limit switch and anemometer.........................................................187
			Anemometer removing.........................................................................................187
			Connecting the lifting limit switch and anemometer..........................................................188
		4.6.18 Electric connection to the foot section/main boom........................................................188
			Establishing a connection...................................................................................188
			Detaching the connection....................................................................................189
		4.6.19 Electric connection to the head section/foot section.....................................................189
			Connecting cable............................................................................................189
			Establishing a connection...................................................................................190
			Detaching the connection....................................................................................191
		4.6.20 Reeve the hoist rope.....................................................................................192
			Possible reeving methods...................................................................................194
		4.6.21 Opening the luffing jib submenu..........................................................................197
			0...........................................................................................................197
		4.6.22 Telescoping with the luffing jib.........................................................................198
			Prerequisites...............................................................................................198
			è...........................................................................................................198
			0...........................................................................................................198
			• Press the button beside the symbol Telescopic extension operating mode (2) once. The indicator ...........198
			Telescopic extension with teleautomation....................................................................199
			Telescoping with semi-automatic.............................................................................201
				%.......................................................................................................201
				0.......................................................................................................201
				$.......................................................................................................201
				$.......................................................................................................202
		4.6.23 Derricking luffing jib when rigging......................................................................203
			Prerequisites...............................................................................................203
				0.......................................................................................................203
				• Press the button beside the symbol Rigging operating mode (4) once. The indicator lamp in the s.......203
					$...................................................................................................203
					$...................................................................................................204
					$...................................................................................................204
		4.6.24 Derricking main jib with installed luffing jib...........................................................205
			Derricking between –1,2 to 82.............................................................................205
			(...........................................................................................................205
			Derricking between 82 and 60..............................................................................206
				%.......................................................................................................206
		4.6.25 Bringing the luffing jib into working position...........................................................207
			Raising luffing jib.........................................................................................207
				(.......................................................................................................207
				• Slowly carry out the Lift auxiliary hoist movement, in order to raise the luffing control arm.........207
			Telescoping to fixed length................................................................................208
				&.......................................................................................................208
			Lowering to working position................................................................................208
		4.6.26 Preparing the luffing jib for unrigging..................................................................209
	4.7 Operation with the luffing jib..................................................................................213
		%...............................................................................................................213
		4.7.1 Crane movements...........................................................................................214
			9...........................................................................................................214
		4.7.2 Working range and shutdowns..............................................................................215
			$...........................................................................................................215
			$...........................................................................................................216
		4.7.3 SLI shutdown..............................................................................................216
			* +.........................................................................................................216
		4.7.4 The effect of wind when operating with the luffing jib....................................................217
		4.7.5 Troubleshooting and remedy................................................................................219
	4.8 Driving with rigged crane and rigged luffing jib...............................................................221
		4.8.1 Driving route.............................................................................................221
		4.8.2 Rigging modes for moving and axle loads...................................................................222
			Notes on the tables.........................................................................................225
			25 m (82 ft)-Luffing jib....................................................................................225
			31 m (102 ft) luffing jib...................................................................................226
			37 m (121 ft) luffing jib...................................................................................226
			43 m (141 ft) luffing jib...................................................................................227
			49 m (161 ft) luffing jib...................................................................................227
			55 m (180 ft) luffing jib...................................................................................228
			61 m (200 ft) luffing jib...................................................................................228
			67 m (220 ft) luffing jib...................................................................................229
			73 m (240 ft) luffing jib...................................................................................229
		4.8.3 Driving the rigged crane..................................................................................231
			Checking the superstructure lock............................................................................231
			Retracting the outrigger....................................................................................231
			Switching over the suspension locking system................................................................231
			Driving.....................................................................................................232
			Supporting the truck crane.................................................................................233
			If necessary, rig the counterweight sections................................................................233
	4.9 Luffing jib maintenance.........................................................................................235
		4.9.1 Maintenance plans.........................................................................................235
			M 1 maintenance plan........................................................................................235
			M 3 maintenance plan........................................................................................235
			Maintenance schedule Y 2....................................................................................236
			Maintenance schedule Y 5....................................................................................236
			Maintenance schedule Y 10...................................................................................236
		4.9.2 Lubricant table...........................................................................................237
		4.9.3 Maintenance work..........................................................................................238
			Notes on cleaning work......................................................................................238
				Lubricating connecting pins.............................................................................238
		4.9.4 Backstop maintenance work.................................................................................239
			Equipment required.........................................................................................239
			Test connections............................................................................................240
			Nitrogen pressure...........................................................................................240
				• Connect the filling hose (3) to the nitrogen bottle...................................................242
				• Bleed the filling hose. To do this, open the relief valve (2) and the valve at the nitrogen bot.......242
			Oil pressure................................................................................................244
		4.9.5 Required inspections for the fall-back guard strut........................................................246
5 Index.................................................................................................................249
	B...................................................................................................................251
	C...................................................................................................................251
	D...................................................................................................................251
	I...................................................................................................................252
	L...................................................................................................................252
	M...................................................................................................................253
	P...................................................................................................................253
	S...................................................................................................................253

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