CAT Roof Support Shield support 21003800-2X6760-2050 Operation and Maintenance Manual – PDF DOWNLOAD

Description

CAT Roof Support Shield support 21003800-2X6760-2050 Operation and Maintenance Manual – PDF DOWNLOAD

DESCRIPTION

Part-No.: 4835774
Serial-No.: ZZ300100 – ZZ300139

CAT Roof Support Shield support 21003800-2X6760-2050 Operation and Maintenance Manual – PDF DOWNLOAD

1 About this manual

This chapter contains important information that makes it easier for you to use this manual. You will also get information about the structure of the manual and the symbols, characters and abbreviations used and frequently used terms.

1.1 How to use this manual

applicable operating manual

Using an operating manual that was not specifically written for the machine concerned can result in a safety hazard for yourself and others. Ensure that the data on the machine complies with the data given in the operating manual. The operating manual must be accessible at all times to all persons working on or with the shield. It should always be available at the place of operation.

TABLE OF CONTENTS:

CAT Roof Support Shield support 21003800-2X6760-2050 Operation and Maintenance Manual – PDF DOWNLOAD

 Table of contents.......................................................  3
1 About this manual......................................................  6
	1.1 How to use this manual...........................................  6
	1.2 Signs and symbols used...........................................  8
2 Safety.................................................................  9
	2.1 General safety instructions......................................  9
	2.2 Personnel........................................................  9
	2.3 Repair and servicing.............................................  9
	2.4 Operating conditions............................................. 10
		2.4.1 Intended use............................................... 10
		2.4.2 Unauthorized use........................................... 10
	2.5 Using the machine and working on the machine..................... 11
	2.6 Notes on the hydraulic system.................................... 12
		2.6.1 Recommended storage and use period......................... 14
3 Storage and transport.................................................. 16
	3.1 Storage.......................................................... 16
	3.2 Transport........................................................ 17
	3.3 Transporting the entire shield support........................... 20
		3.3.1 Face shield................................................ 20
		3.3.2 Transport safety devices................................... 22
		3.3.3 Relay bar assembly......................................... 23
		3.3.4 Side seal.................................................. 24
4 Installation........................................................... 25
	4.1 Pre-assembly of the shield units................................. 25
	4.2 How to install the shield units.................................. 25
		4.2.1 Shield units............................................... 25
		4.2.2 Pressure equalization of the electronic control system..... 27
		4.2.3 Supply connections for auxiliary supply.................... 28
	4.3 Requirements for the face hydraulic system....................... 33
	4.4 Water spraying system requirements............................... 33
	4.5 Commissioning.................................................... 34
		4.5.1 To be observed prior to commissioning...................... 34
		4.5.2 How to put the support into operation...................... 36
		4.5.3 Corrosion protection of hydraulic components............... 36
5 Operation.............................................................. 37
	5.1 Requirements..................................................... 37
		5.1.1 Operating conditions....................................... 37
		5.1.2 Safety requirements........................................ 39
	5.2 Operation of the shield support.................................. 42
	5.3 Work safety...................................................... 48
	5.4 Shield components................................................ 49
	5.5 Design of the ball valves........................................ 51
	5.6 Hydraulic components on the shield............................... 54
		5.6.1 Location of hydraulic components........................... 54
		5.6.2 Control unit functions and pin assignment.................. 61
		5.6.3 Shield hydraulics.......................................... 62
		5.6.4 Hydraulic lines............................................ 63
		5.6.5 Hose lines................................................. 64
		5.6.6 Stecko parts............................................... 66
		5.6.7 Water spraying system and accessories...................... 69
		5.6.8 Bracket and accessories.................................... 72
		5.6.9 Additional brackets........................................ 77
		5.6.10 Tools..................................................... 82
			5.6.10.1 Testing device for hydraulic legs and valves........ 82
			5.6.10.2 Booster............................................. 83
			5.6.10.3 Fitting tool........................................ 84
			5.6.10.4 Measuring adapter................................... 84
	5.7 Location of the hydraulic components............................. 85
	5.8 Repair and emergency operation................................... 96
	5.9 Operation and functions of the electrohydraulic control unit..... 97
		5.9.1 Shield functions - control unit, 12 functions.............. 97
		5.9.2 Shield functions – water valve unit........................100
	5.10 Operating the double filter.....................................101
	5.11 Measuring coupling..............................................102
	5.12 Maintenance.....................................................103
	5.13 Regular, scheduled damage assessment............................105
	5.14 Troubleshooting.................................................106
		5.14.1 Instructions for troubleshooting..........................106
		5.14.2 3/2-way or pilot valve....................................109
		5.14.3 Piloted check valves......................................109
		5.14.4 Checking the leg check valves.............................109
		5.14.5 Internal bypass in legs...................................109
		5.14.6 Pressure relief valve defective...........................110
		5.14.7 Defective or clogged filter...............................110
6 Technical data.........................................................111
	6.1 Technical description............................................112
		6.1.1 Main dimensions............................................112
		6.1.2 Base frame with lemniscatic link and relay bar assembly....113
		6.1.3 Relay bar assembly.........................................118
		6.1.4 Lemniscatic links..........................................120
		6.1.5 Canopy.....................................................122
		6.1.6 Leg head with pin..........................................124
		6.1.7 Canopy and caving shield side seals........................125
		6.1.8 Caving shield..............................................129
	6.2 Technical data, steel structure..................................131
	6.3 Hydraulic system.................................................132
		6.3.1 Shield hydraulics..........................................132
	6.4 Two-stage telescopic leg.........................................133
		6.4.1 Function...................................................135
	6.5 Hydraulic cylinders..............................................136
		6.5.1 Layout.....................................................136
		6.5.2 Legs and cylinders.........................................137
	6.6 Pressure relief valves...........................................142
	6.7 Angles of inclination of the canopy..............................144
	6.8 Tightening torques...............................................145
		6.8.1 Screws and bolts with ISO metric thread ...................145
	6.9 Permissible media................................................146
		6.9.1 Hydraulic fluids...........................................146
		6.9.2 Quality of the process water...............................148
		6.9.3 Greases and lubricating pastes.............................149

IMAGES PREVIEW OF THE MANUAL:

CAT ROOF SUPPORT SHIELD SUPPORT 21003800-2X6760-2050 OPERATION AND MAINTENANCE MANUAL – PDF DOWNLOAD:

https://vimeo.com/661447657

PLEASE NOTE:

• This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
• Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.

S.M