Caterpillar 301.5, 301.6 and 301.8 Mini Hydraulic Excavators Workshop Service Repair Manual
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Caterpillar 301.5, 301.6 and 301.8 Mini Hydraulic Excavators Workshop Service Repair manual with Electrical Wiring Diagrams (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnosis & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
This Caterpillar 301.5, 301.6 and 301.8 Mini Hydraulic Excavators manual contains high quality images, circuit diagrams, instructions to help you to maintenance, troubleshoot, diagnose, and repair. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.
FILE LIST:
RENR2803 - Disassembly and Assembly (301.5; 301.6 and 301.8 Mini-Hydraulic Excavator Engine Supplement).pdf
RENR2804 - Specifications (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Machine System).pdf
RENR2805 - Systems Operation (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Hydraulic System).pdf
RENR2806 - Testing and Adjusting (301.5; 301.6 and 301.8 Mini Hydraulic Excavators).pdf
RENR2808 - Disassembly and Assembly (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Machine Systems).pdf
RENR4804 - Schematic (301.8 Mini Hydraulic Excavator - Hydraulic System).pdf
RENR8134 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System).pdf
RENR8137 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System).pdf
SENR1279 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System).pdf
SENR5022 - Specifications (3003; 3013; 3014 and 3024 Engines for Caterpillar Built Machines).pdf
TABLE OF CONTENTS
RENR2803 - Disassembly and Assembly (301.5; 301.6 and 301.8 Mini-Hydraulic Excavator Engine Supplement)....1
Alternator - Remove and Install....2
Electric Starting Motor - Remove and Install....8
Fuel Filter and Water Separator - Remove and Install....12
Water Pump and Water Temperature Regulator - Remove and Install....15
Radiator and Fan - Remove and Install....19
Air Cleaner - Remove and Install....33
Muffler - Remove and Install....35
Hood - Remove and Install....38
Engine and Pumps - Remove....40
Pump Mounting Housing; Flange and Hub - Remove....51
Pump Mounting Housing; Flange and Hub -Install....56
Engine and Pumps - Install....61
RENR2804 - Specifications (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Machine System)....72
Hydraulic Tank....73
Gear Pump (Pilot; Work Tool; Swing; and Travel)....74
Gear Pump (Pilot; Work Tool and Swing)....76
Gear Pump (Work Tool and Travel)....78
Oil Filter (Hydraulic)....81
Pilot and Travel Speed Manifold....83
Solenoid Valve (Work Tool Lowering)....85
Load Control Valve (Boom)....86
Pilot Valve (Joystick)....88
Direction and Speed Control....90
Bank Valve....93
Swing Gear and Bearing....94
Piston Motor (Swing)....96
Gerotor Motor (Travel)....98
Blade Cylinder....100
Blade Lift Cylinder....101
Boom Cylinder....103
Boom Swing Cylinder....104
Bucket Cylinder....105
Bucket Cylinder - Tilt....107
Stick Cylinder....108
Fuel Tank....110
Governor Control....111
Undercarriage Cylinder (Adjustable Gauge)....113
Recoil Spring....114
Track....117
RENR2805 - Systems Operation (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Hydraulic System)....118
General Information....119
Gear Pump (Pilot; Work Tool and Swing)....127
Gear Pump (Work Tool and Travel)....128
Gear Pump - Implement and Pilot....129
Bank Valve....131
Pilot Hydraulic System....159
Pilot and Travel Speed Manifold....163
Pilot Valve (Joystick)....165
Return Hydraulic System....167
Boom Hydraulic System....170
Bucket Hydraulic System....172
Stick Hydraulic System....174
Solenoid Valve (Work Tool Lowering)....176
Swing System....178
Piston Motor (Swing)....180
Control Valve (Straight Travel)....183
Gerotor Motor (Travel)....185
Swivel....190
Combined Function Hydraulic Operation....193
RENR2806 - Testing and Adjusting (301.5; 301.6 and 301.8 Mini Hydraulic Excavators)....195
General Information....196
Visual Inspection....198
Operational Checks....199
Hydraulic System Troubleshooting....207
Hydraulic System Pressure - Release....213
Hydraulic Oil Contamination - Test....214
Pilot System Pressure - Test....216
Accumulator (Pilot) - Test and Charge....218
Relief Valve (Main) - Test and Adjust....223
Relief Valve (Line) - Test and Adjust....233
Piston Motor (Swing) - Test....243
Load Control Valve (Boom) - Test and Adjust....255
Worksheets - Troubleshoot....257
RENR2808 - Disassembly and Assembly (301.5; 301.6 and 301.8 Mini Hydraulic Excavators Machine Systems)....262
Hydraulic System Pressure - Release....266
Blade Cylinder - Remove....267
Blade Cylinder - Disassemble....270
Blade Cylinder - Assemble....273
Blade Cylinder - Install....276
Blade - Remove and Install....279
Bucket - Remove....282
Bucket - Install....283
Bucket Linkage - Remove....285
Bucket Linkage - Install....286
Bucket Cylinder - Remove....287
Bucket Cylinder - Disassemble....290
Bucket Cylinder - Assemble....293
Bucket Cylinder - Install....296
Stick Cylinder - Remove....299
Stick Cylinder - Disassemble....302
Stick Cylinder - Assemble....305
Stick Cylinder - Install....308
Stick - Remove....311
Stick - Install....315
Boom Cylinder - Remove....318
Boom Cylinder - Disassemble....322
Boom Cylinder - Assemble....325
Boom Cylinder - Install....328
Boom - Remove....332
Boom - Install....335
Boom Swing Cylinder - Remove....338
Boom Swing Cylinder - Disassemble....345
Boom Swing Cylinder - Assemble....348
Boom Swing Cylinder - Install....351
Counterweight - Remove and Install....357
Fuel Tank - Remove....363
Fuel Tank - Install....372
Seat - Remove and Install....382
Cab Heater - Remove....384
Cab Heater - Install....386
Cab - Remove....388
Cab - Install....391
Track Roller - Remove....394
Track Roller - Install....395
Track - Remove....396
Track - Install....398
Front Idler and Track Adjuster - Remove....400
Front Idler - Disassemble....402
Front Idler - Assemble....405
Track Adjuster - Disassemble....408
Track Adjuster - Assemble....410
Front Idler and Track Adjuster - Install....412
Recoil Spring - Remove....414
Recoil Spring - Disassemble....416
Recoil Spring - Assemble....418
Recoil Spring - Install....420
Final Drive Sprocket - Remove and Install....422
Gerotor Motor (Travel) - Remove....424
Gerotor Motor (Travel) - Disassemble....427
Gerotor Motor (Travel) - Assemble....436
Gerotor Motor (Travel) - Install....445
Swivel - Remove....448
Swivel - Disassemble....452
Swivel - Assemble....454
Swivel - Install....456
Piston Motor (Swing) - Remove....459
Piston Motor (Swing) - Disassemble....461
Piston Motor (Swing) - Assemble....466
Piston Motor (Swing) - Install....471
Undercarriage Frame - Remove....473
Undercarriage Frame - Install....477
Track Roller Frame - Remove....481
Track Roller Frame - Install....483
Sliding Frame and Bearing - Remove....485
Sliding Frame and Bearing - Install....487
Diverter Valve (Blade and Undercarriage Cylinders) - Remove and Install....489
Undercarriage Cylinder (Adjustable Gauge) - Remove....492
Undercarriage Cylinder (Adjustable Gauge) - Disassemble....495
Undercarriage Cylinder (Adjustable Gauge) - Assemble....499
Undercarriage Cylinder (Adjustable Gauge) - Install....503
Swing Gear and Bearing - Remove and Install....505
Boom; Stick; and Bucket - Remove....508
Boom; Stick; and Bucket - Install....511
Swing Frame - Remove and Install....513
Tank (Hydraulic) - Remove....518
Tank (Hydraulic) - Install....531
Accumulator (Hydraulic Pilot) - Remove and Install....544
Load Control Valve (Boom) - Remove and Install....546
Pilot and Travel Speed Manifold - Remove and Install....549
Gear Pump (Pilot; Work Tool and Swing) - Remove....552
Gear Pump (Pilot; Work Tool and Swing) - Disassemble....555
Gear Pump (Pilot; Work Tool and Swing) - Assemble....559
Gear Pump (Pilot; Work Tool and Swing) - Install....562
Gear Pump (Work Tool and Travel) - Remove....564
Gear Pump (Work Tool and Travel) - Disassemble....568
Gear Pump (Work Tool and Travel) - Assemble....574
Gear Pump (Work Tool and Travel) - Install....580
Pilot Valve (Joystick) - Remove....583
Pilot Valve (Joystick) - Disassemble....586
Pilot Valve (Joystick) - Assemble....588
Pilot Valve (Joystick) - Install....590
Main Control Valve - Remove....593
Main Control Valve - Disassemble....598
Main Control Valve - Assemble....610
Main Control Valve - Install....622
RENR4804 - Schematic (301.8 Mini Hydraulic Excavator - Hydraulic System)....627
Main....628
Collage....630
RENR8134 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System)....645
Main....646
Collage....648
RENR8137 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System)....678
Main....679
Collage....681
SENR1279 - Schematic (301.5; 301.6; and 301.8 Mini-Hydraulic Excavator Electrical System)....711
Main....712
Collage....714
SENR5022 - Specifications (3003; 3013; 3014 and 3024 Engines for Caterpillar Built Machines)....744
Engine Design....746
Fuel Injection Lines....752
Fuel Injection Pump....754
Fuel Injection Nozzles....756
Rocker Shaft....759
Valve Mechanism Cover....765
Cylinder Head Valves....768
Cylinder Head....781
Inlet Manifold....787
Camshaft....790
Engine Oil Lines....796
Engine Oil Filter....798
Engine Oil Pump....800
Engine Oil Pressure....803
Engine Oil Relief Valve....804
Engine Oil Pan....806
Water Temperature Regulator....808
Water Pump....810
Cylinder Block....813
Crankshaft....819
Connecting Rod....832
Piston and Rings....836
Housing (Front)....845
Gear Group (Front)....847
Flywheel....849
Flywheel Housing....852
Crankshaft Pulley....856
Belt Tension Chart....858
Fan Drive....859
Engine Lifting Bracket....860
Alternator and Regulator....861
Electric Starting Motor....864
Coolant Temperature Switch....867
Engine Oil Pressure Switch....868
Glow Plugs....869
Fuel Shutoff Solenoid....871
Caterpillar 301.5, 301.6 and 301.8 Mini Hydraulic Excavators Workshop Service Repair Manual