KOMATSU PC50UU-2 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:8001 & UP) KOMATSU PC50UU 2 – PDF DOWNLOAD

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KOMATSU PC50UU-2 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:8001 & UP) KOMATSU PC50UU 2

KOMATSU PC50UU-2 HYDRAULIC EXCAVATOR OPERATION & MAINTENANCE MANUAL (SN:8001 & UP) KOMATSU PC50UU 2 – PDF DOWNLOAD:

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KOMATSU PC50UU-2 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:8001 & UP) KOMATSU PC50UU 2

• This manual provides rules and guidelines which will help you use this machine safely and effectively. Keep this manual handy and have all personnel read it periodically. if this manual has been lost or has become dirty and can not be read, request a replacement manual from Komatsu or your Komatsu distributor.
• If you sell the machine, be sure to give this manual to the new owners.
• Continuing improvements in the design of this machine can lead to changes in detail which may not be reflected in this manual. Consult Komatsu or your Komatsu distributor for the latest available information of your machine or for questions regarding information in this manual.
• This manual may contain attachments and optional equipment that are not available in’your area. Consult Komatsu or. your Komatsu distributor for those items you may require.

TABLE OF CONTENTS:

KOMATSU PC50UU-2 HYDRAULIC EXCAVATOR Operation & Maintenance Manual (SN:8001 & UP) KOMATSU PC50UU 2

MAIN MENU..........................................................................  0
COVER..............................................................................  1
1.   FOREWORD......................................................................  2
2.   SAFETY INFORMATION............................................................  3
3.   INTRODUCTION..................................................................  4
4.   LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR.................  5
CONTENTS...........................................................................  6
SAFETY............................................................................. 11
	6.   General Precautions....................................................... 12
	7.   Precautions During Operation.............................................. 17
		7.1   Before Starting Engine............................................... 17
		7.2   Operating Machine.................................................... 19
		7.3   Transportation....................................................... 24
		7.4   Battery.............................................................. 25
		7.5   Towing............................................................... 26
	8.   Precautions for Maintenance............................................... 27
		8.1   Before Carrying Out Maintenance...................................... 27
		8.2   During Maintenance................................................... 30
	9.   Position for Attaching Safety Labels...................................... 34
OPERATION.......................................................................... 39
	10.   General View............................................................. 40
		10.1   General View of Machine............................................. 40
		10.2   General View of Controls and Gauges................................. 41
	11.   Explanation of Components................................................ 42
		11.1   Machine Monitor..................................................... 43
		11.2   Switches............................................................ 49
		11.3   Control Levers and Pedals........................................... 52
		11.4   Engine Hood......................................................... 56
		11.5   Front Window........................................................ 57
		11.6   Sliding Door........................................................ 59
		11.7   Fuse Box............................................................ 60
		11.8   Fusible Link........................................................ 60
		11.9   Cap with Lock, Cover................................................ 61
		11.10   Tool Box........................................................... 62
		11.11   Grease Gun Holder.................................................. 62
	12.   Operation................................................................ 63
		12.1   Check Before Starting Engine........................................ 63
		12.2   Starting Engine..................................................... 71
		12.3   Operations and Checks After Starting Engine......................... 73
		12.4   Moving Machine Off.................................................. 76
		12.5   Steering Machine.................................................... 78
		12.6   Stopping Machine.................................................... 80
		12.7   Swinging............................................................ 81
		12.8   Prohibitions for Operation.......................................... 82
		12.9   Precautions for Operation........................................... 84
		12.10   Precautions when Traveling Up or Down Hills........................ 85
		12.11   Work Possible Using Hydraulic Excavator............................ 87
		12.12   Parking Machine.................................................... 89
		12.13   Check After Finishing Work......................................... 90
		12.14   Stopping Engine.................................................... 90
		12.15   Check After Stopping Engine........................................ 91
		12.16   Locking............................................................ 91
		12.17   How to Excape From Mud............................................. 92
		12.18   Replacement of Bucket.............................................. 93
		12.19   Handling 4-System.................................................. 95
		12.20   Handling Rubber Shoes (Rubber Shoes Only)..........................105
	13.   Transportation...........................................................110
		13.1   Loading, Unloading Work.............................................110
		13.2   Method for Lifting Chassis..........................................112
		13.3   Precautions for Loading.............................................114
		13.4   Precautions for Transportation......................................115
	14.   Cold Weather Operation...................................................116
		14.1   Precautions for Low Temperature.....................................116
		14.2   Cautions After Completion of Work...................................118
		14.3   Preparing the Cab Heater............................................119
		14.4   After Cold Weather..................................................119
	15.   Long-term Storage........................................................120
		15.1   Before Storage......................................................120
		15.2   During Storage......................................................121
		15.3   After Storage.......................................................121
	16.   Troubleshooting..........................................................122
		16.1   Phenomena That Are Not Failures.....................................122
		16.2   Method of Towing Machine............................................124
		16.3   Precautions on Particular Jobsites..................................124
		16.4   If Battery is Discharged............................................125
		16.5   Other Trouble.......................................................129
MAINTENANCE........................................................................135
	17.   Guides to Maintenance....................................................136
	18.   Outlines of Service......................................................139
		18.1   Outline of Oil, Fuel, Coolant.......................................139
		18.2  Relating to Electric System..........................................142
	19.   Wear Parts List..........................................................143
	20.   Use of Fuel, Coolant and Lubricants According to Ambient Temperature.....144
	21.   Standard Tightening Torbues for Bolts and Nuts...........................148
		21.1   Introduction of Necessary Tools.....................................148
		21.2  Torque List..........................................................149
	22.   Periodic Replacement of Safety Critical Parts............................150
	23.   Maintenance Schedule Chart...............................................152
		23.1   Maintenance Schedule Chart..........................................152
	24.   Service Procedure........................................................155
		24.1   Initial 250 Hours Service (only after the first 250 hours)..........155
			Engine Valve Clearance, Check and Adjust...............................155
		24.2   When Required.......................................................156
			Check, Clean and Replace Air Cleaner Element...........................156
			Clean Inside of Cooling System.........................................159
			Drain Water, Sediment from Fuel Tank...................................163
			Check Level of Battery Electrolyte.....................................164
			Clean Water Separator Element..........................................165
			Check Electric Wirings.................................................166
			Check Rubber Shoes (machine equipped with rubber shoes)................167
			Check and Adjust Track Tension (machine equipped with rubber shoes)....169
			Replace Rubber Shoes (machine equipped with rubber shoes)..............172
			Check and Adjust Track Tension (machine equipped with steel shoes).....175
			Replace Bucket Teeth...................................................178
			Adjust Bucket Clearance................................................179
		24.3   Check Before Starting...............................................180
			Check and Refill Coolant...............................................180
			Check Oil Level in Engine Oil Pan, Add Oil.............................180
			Check Fuel Level.......................................................181
			Check Oil Level in Hydraulic Tank, Add Oil.............................182
			Check Dust Indicator...................................................183
			Check Water Separator..................................................183
		24.4   Every 100 Hours Service.............................................184
			Lubricating............................................................184
				Swing Circle (1 point).............................................184
				Swing Pinion (1 point).............................................184
				Blade Cylinder Foot Pin ( 1 point).................................184
				Blade Cylinder Rod End ( 1 point)..................................184
				Blade Foot Pin ( 2 points).........................................184
				First Boom Foot Pin ( 2 points)....................................184
				Boom Cylinder Foot Pin ( 1 point)..................................184
				Boom Cylinder Rod End ( 1 point)...................................184
				First Boom - Second Boom Coupling Pin ( 2 points)..................184
				Offset Cylinder Foot Pin ( 1 point)................................185
				Offset Cylinder Rod End Pin ( 1 point).............................185
				Sub-link Coupling Pin ( 2 points)..................................185
				Second Boom - Third Bracket Coupling Pin ( 2 points )..............185
				Arm Cylinder Foot Pin ( 2 points ).................................185
				Arm Cylinder Rod End Pin ( 1 point)................................185
				Third Bracket - Arm Coupling Pin ( 2 points )......................185
				Bucket Cylinder Foot Pin ( 1 point )...............................185
				Bucket Cylinder Rod End Pin ( 1 point )............................185
				Arm-Link Coupling Pin ( 1 point )..................................185
				Link Coupling Pin ( 1 point )......................................185
				Bucket-Link Coupling Pin ( 1 point )...............................185
				Arm-Bucket Coupling Pin ( 1 point )................................185
		24.5   Every 250 Hours Service.............................................186
			Change Oil in Engine Oil Pan, Replace Engine Oil Filter Cartridge......186
			Check Oil Level in Final Drive Case, Add Oil...........................188
			Replace Hydraulic Filter Element.......................................189
			Check Fan Belt Tension, Adjust.........................................191
		24.6   Every 500 Hours Serv ice............................................192
			Replace Fuel Filter Cartridge..........................................192
			Clean, Check Radiator Fins.............................................194
		24.7   Every 1000 Hours Service............................................195
			Change Oil in Swing Machinery Case.....................................195
			Change Oil in Final Drive Case.........................................196
		24.8   Every 2000 Hours Service............................................197
			Change Oil in Hydraulic Tank, Clean Strainer...........................197
			Check Alternator, Starting Motor.......................................199
			Check Engine Valve Clearance, Adjust...................................199
SPECIFICATIONS.....................................................................201
	25.   Specifications...........................................................202
OPTION, ATTACHMENT.................................................................205
	26.   Using Car Radio..........................................................206
		26.1   Explanation of Parts................................................206
		26.2   Method of Use.......................................................208
		26.3   Precautions for Use.................................................209
		26.4   Specifications......................................................210
	27.   Using Car Cooler.........................................................211
		27.1   Control Panel.......................................................211
		27.2   Precautions When Using..............................................211
		27.3   Inspection and Maintenance of Car Cooler............................212
	28.   Handling Window Washer...................................................214
		28.1   Operation of Window Washer..........................................214
		28.2   Check Window Washer Fluid, Add Fluid................................214
	29.   General Precautions......................................................215
		29.1   Precautions Related to Safety.......................................215
	30.   Introduction of Attachments..............................................216
		30.1   Specification, Use..................................................216
		30.2   Precautions When installing Attachments.............................217
		30.3   Replacing Bucket Teeth ( bucket with vertical pin type tooth )......218
		30.4   Precautions When Using Hydraulic Breaker............................221
	31.   Machines Able to Install Attachments.....................................224
		31.1   Explanation of Equipment............................................224
		31.2   Hydraulic Circuit...................................................226
		31.3   Operation...........................................................227
		31.4   Long-term Storage...................................................228
		31.5   Specifications......................................................228

PLEASE NOTE:

⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
⦁ Require some other service manual or have any queries: please WRITE to us at [email protected]