Linkbelt 3900Q Excavator Quantum Shop Manual (877) – PDF DOWNLOAD

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Linkbelt 3900Q Excavator Quantum Shop Manual (877) – PDF DOWNLOAD

FILE DETAILS:

Linkbelt 3900Q Excavator Quantum Shop Manual (877) – PDF DOWNLOAD

Language : English
Pages : 622
Downloadable : Yes
File Type : PDF

IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:

Linkbelt 3900Q Excavator Quantum Shop Manual (877) – PDF DOWNLOAD

• How To Use This Manual
  The following information 1s provided to help guide the user of this manual. An explanation is given of how this manual 1s organized. This information 1s general in nature and should supplement any of the specific procedures found m this manual along with a constant awareness of safety and common sense.
• Explanation Of This Manual
  This Service Manual 1s a collection of written procedures which are used to service and maintain a specific excavator model. The index is used to organize the procedures within this manual and serve as a Table Of Contents as well. Each procedure is written so that 1t can stand alone and typically covers only one procedure Procedures are given a numerical designation, or “SM Code” Number (Example· 21-04-15), which 1s unique to that procedure and that procedure only. The following is a listing of the general section definitions which are designated by the first characters in the SM Code Number sequence

TABLE OF CONTENTS:

Linkbelt 3900Q Excavator Quantum Shop Manual (877) – PDF DOWNLOAD

Explanation........................................................  8
	Contents.......................................................  7
	Safety......................................................... 15
	Introduction................................................... 17
	Precautions.................................................... 21
	Standard Torque Specifications................................. 33
	Numerical Value Conversion Table............................... 35
Specifications..................................................... 45
	Major Equipment Specifications................................. 47
		Lower Mechanism............................................ 47
			General View Lower Assembly Drawing.................... 47
			Travel Equipment....................................... 49
			Take-up................................................ 49
			Upper Roller........................................... 49
			Lower Roller........................................... 49
			Recoil Spring.......................................... 50
			Shoe................................................... 50
		Upper Mechanism............................................ 51
			Swing Equipment........................................ 51
		Engine..................................................... 53
			Engine................................................. 53
			Radiator............................................... 53
			Engine Control......................................... 53
			Fuel Tank.............................................. 53
		Hydraulic Pump............................................. 55
			Hydraulic Pump......................................... 55
			Sump Tank.............................................. 56
			Rotating Joint......................................... 57
		Controls................................................... 59
			Remote Control Valve................................... 61
			By-pass Oil Filter..................................... 62
			Excavator Attachment................................... 63
				Cylinder........................................... 63
		Filters, Fluids and Lubricants............................. 65
	Performance.................................................... 71
		Main Body Weight........................................... 73
		Lifting Capacities......................................... 77
Main Body Disassembly and Servicing Procedures..................... 79
	Lower Mechanism................................................ 81
		Travel Equipment........................................... 84
		Drive Sprocket............................................. 86
		Take-up Roller............................................. 88
		Upper Roller............................................... 90
		Lower Roller............................................... 92
		Recoil Spring Disassembly and Assembly..................... 94
		Recoil Spring.............................................. 96
		Grease Cylinder............................................ 98
		Track Shoe.................................................100
		Rotating Joint.............................................104
	Attachment.....................................................107
		Bucket Cylind er...........................................109
		Arm Cylinder...............................................113
		Boom Cylinder..............................................118
	Maintenance Standards..........................................123
Major Components Disassembly and Servicing Procedures..............139
	Tightening Torque for Major Parts..............................141
	Take-up Roller.................................................147
	Upper Roller...................................................155
	Lower Roller...................................................165
	Recoil Spring..................................................173
	Rotating Joint.................................................179
Major Hydraulic Components Disassembly and Servicing Procedures....191
	Hydraulic Pump.................................................193
		Instruction of Hydraulic Pump..............................193
		Maintenance of Hydraulic Pump..............................215
		Instruction of Regulator...................................237
		Maintenance of Regulator...................................263
	Travel Mechanism...............................................283
		Motor Assembly.............................................283
		S/A; Motor.................................................299
		S/A; Reduction Gear........................................367
	Swing Mechanism................................................405
		Motor Assembly.............................................407
		S/A; Motor.................................................423
		S/A; Reduction Gear........................................457
	Control Valve..................................................479
	Hydraulic Cylinder.............................................539
		Specification and Structure................................537
		Maintenance of Cylinder....................................539
	Remote Control Valve...........................................567
	Valve (8-spool Solenoid Valve).................................587
	Valve (Shuttle Valve)..........................................603
	Valve (Cushion Valve)..........................................607
	Valve (Stack Valve)............................................615

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