Bobcat 371 Loader Gasoline & L.P. Gas Service Manual 6545574 (6-12) – PDF DOWNLOAD

Bobcat 371 Loader Gasoline & L.P. Gas Service Manual 6545574 (6-12) – PDF DOWNLOAD

FILE DETAILS:

Bobcat 371 Loader Gasoline & L.P. Gas Service Manual 6545574 (6-12) – PDF DOWNLOAD

Language : English
Pages : 88
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Bobcat 371 Loader Gasoline & L.P. Gas Service Manual 6545574 (6-12) – PDF DOWNLOAD

FOREWORD:

This manual is written in two parts: To provide instruction for proper routine servicing and adjustments of the Bobcat such as the 50 hour check and regularly scheduled periodic inspections established by the Service Schedule, and to provide detailed overhaul instructions of the power train, loader hydraulic system and general machine main frame components. Refer to the Owners Manual for general operating instructions (Starting Procedure, Daily Checks, Bucket Operation, Minor Maintenance, etc).

INSPECTION:
A general inspection of the following items should be made whenever the machine has been serviced of repaired:
1. Check hydraulic fluid level, engine oil level and fuel supply.
2. Check for any sign of fuel, oil or hydraulic fluid leaks.
3. Lubricate the machine.
4. Check battery condition, electrolyte level and cables.
5. Check air cleaner for damage or leaks. Check element and replace if necessary.
6. Check transmission drive belt and hydraulic drive belt for wear and tension.
7. Check tires for wear and pressure.
8. Check Bob–Tach wedges for condition.
9. Check safety items for condition. (Operator Protective Guard, Seat Belt, Safety Treads on
steps, Boom Stop).
10. Make a visual inspection for loose or broken parts or connections.
Advise the owner if any of the above items require service or repair.

TABLE OF CONTENTS:

Bobcat 371 Loader Gasoline & L.P. Gas Service Manual 6545574 (6-12) – PDF DOWNLOAD

MAINTENANCE SAFETY 3
CONTENTS 5
FOREWORD 5
ROUTINE SERVICING 6
GENERAL MAINTENANCE 7
TIRE INFLATION 9
TIRE ROTATION 9
TIRE REPLACEMENT 9
LUBRICATION 9
GENERAL MAINTENANCE 10
ENGINE SERVICE 11
CHANGING ENGINE OIL 13
OIL SPECIFICATIONS 13
ENGINE AIR CLEANER 13
CRANKCASE BREATHER 13
AIR COOLING SYSTEM 13
CARBURETOR 14
FUEL PUMP 14
LP GAS FUEL SYSTEM 15
IGNITION SYSTEM 15
OPERATIONAL TEST 15
SPARK PLUG 15
BREAKER POINTS 16
CONDENSER 16
IGNITION TIMING PROCEDURE 16
GOVERNOR 16
Initial Adjustment 16
Speed Adjustment 16
Sensitivity Adjustment 16
AUTOMATIC COMPRESSION RELEASE 17
COMPRESSION 17
ELECTRICAL SYSTEM 17
RECTIFIER–REGULATOR 18
HYDRAULIC SYSTEM SERVICE 23
DESCRIPTION OF HYDRAULIC CIRCUIT 25
CHECKING HYDRAULIC FLUID 25
DRAINING CONDENSATION 25
CHANGING HYDRAULIC FLUID 26
HYDRAULIC FLUID FILTER 26
CHECKING THE HYDRAULIC SYSTEM 27
TESTING THE HYDRAULIC SYSTEM 27
PUMP DRIVE BELT ADJUSTMENT 28
PEDAL LINKAGE ADJUSTMENT 28
CONTROL VALVE 28
TRACTION DRIVE SYSTEM SERVICE 33
DESCRIPTION OF DRIVE 35
CLUTCH ADJUSTMENT 35
DRIVE CHAIN ADJUSTMENT 36
MAJOR OVERHAUL 41
ENGINE OVERHAUL 43
ENGINE SHOCK MOUNTS AND STABILIZER ROD 45
REPAIR–REPLACEMENT METHODS 45
INSPECTION–DISASSEMBLY 46
SCORING OF THE CYLINDER WALL 46
SEVERE PISTON DAMAGE 46
EVIDENCE OF EXTERNAL OIL LEAKAGE 46
DISASSEMBLY PROCEDURE 46
ENGINE RECONDITIONING 47
CYLINDER BLOCK 47
CRANKSHAFT 48
CONNECTING ROD 48
PISTON–PISTON RINGS 48
PISTON–ROD ASSEMBLY 49
VALVES–VALVE MECHANISM 49
CYLINDER HEAD 49
RING GEAR 49
DYNAMIC BALANCE SYSTEM 50
TIMING THE BALANCE GEARS 50
REASSEMBLY 51
FINAL ADUSTMENTS 54
RUN–IN PROCEDURES (Re–Conditioned Engines) 54
CARBURETOR RECONDITIONING (Gasoline) 54
DISASSEMBLY OF CARBURETOR 54
ASSEMBLY OF CARBURETOR 54
LPG FUEL SYSTEM RECONDITIONING 55
PRIMARY REGULATOR 55
SECONDARY REGULATORS 56
ENGINE SPECIFICATIONS 57
TORQUES 57
FITS & CLEARANCES 57
MAXIMUM WEAR TOLERANCES & CLEARANCES 58
ALTERNATOR/RECTIFIER–REGULATOR SERVICE 59
CHARGE SYSTEM SERVICE 59
CHARGE SYSTEM CHECKS 60
STARTER SERVICE 62
To Check Starter 62
Removal of Starter 62
HYDRAULIC SYSTEM OVERHAUL 63
HYDRAULIC SYSTEM 65
HYDRAULIC CYLINDER REPAIR 65
HYDRAULIC PUMP REPAIR 66
CONTROL VALVE BANK REPAIR 67
LIFT CYLINDER LINE RESTRICTOR 68
WARD CONTROL VALVE REPAIR 69
TRACTION DRIVE SYSTEM OVERHAUL 71
TRACTION DRIVE SYSTEM CHAIN REMOVAL 73
CHAIN REINSTALLATION 73
REMOVING STEERING LINKAGE 74
REMOVING CLUTCHES 74
REPLACING CLUTCH NEEDLE BEARINGS 75
REMOVING THE LOWER JACKSHAFT 75
REPLACING SPROCKET BEARINGS 75
Removing Upper Jackshaft 76
To Disassemble the Upper Jackshaft 76
REMOVING AN AXLE 77
TRANSMISSION CASE & COVER 78
DRIVE AND DRIVEN SHEAVES 78
LOADER MAIN FRAME OVERHAUL 79
BOOM ALIGNMENT 81
STRAIGHTENING BENT BOOMS 81
OPERATOR PROTECTIVE GUARD 81
THE BOB–TACH 81
BOOM CYLINDER SUPPORT BRACKET 81
FUEL TANK 81
ENGINE VIBRATION MOUNTS 82
SPECIFICATIONS 83
LOADER SPECIFICATIONS 85
OPERATIONAL & PERFORMANCE 85
ENGINE 85
LOADER HYDRAULICS 85
ELECTRICAL 85
POWER TRAIN 85
CAPACITIES 85
TIRES 85
MACHINE WEIGHT (w/o bucket) 85
Hydraulic Fluid 86
TABLE OF MACHINE TORQUES 86
SERVICE MANUAL REVISIONS 87
371-1 87

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