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Komatsu AX20 Series User Manual

Komatsu AX20 Series
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CONTENTS
Page No.
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
APPLICABLE AX20 “EPA” LIFT TRUCK MODELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
FEDERAL EPA EMISSION CONTROL STATEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
1. SAFETY
1.1 SAFETY MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1.2 SAFE TRAVEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7
1.3 LOADING OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
1.4 STOPPING AND PARKING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
1.5 INSPECTION AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
1.6 STRUCTURE AND STABILITY OF THE LIFT TRUCK . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-29
2. GENERAL INFORMATION AND SPECIFICATIONS
2.1 SPECIFICATIONS - MAST DATA & FEATURES - INDOOR & OUTDOOR TRUCKS . . . 2-2
2.2 TRUCK DATA - PNEUMATIC TIRE LIFT TRUCKS (OUTDOOR). . . . . . . . . . . . . . . . . . . 2-4
2.3 TRUCK DATA - CUSHION TIRE LIFT TRUCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.4 PERIODIC REPLACEMENT OF CONSUMABLE PARTS. . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.5 STANDARD TIGHTENING TORQUE FOR PIPE JOINTS . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2.6 STANDARD TIGHTENING TORQUE FOR BOLTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
3. SERVICE DATA
3.1 GASOLINE ENGINE TRUCKS - PNEUMATIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2 GASOLINE ENGINE LIFT TRUCKS - CUSHION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
4. TESTING, ADJUSTING AND MEASURING
4.1 ADJUST IGNITION TIMING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4.2 ADJUST SPARK PLUG GAP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.3 ADJUST VALVE CLEARANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
4.4 ADJUST FAN BELT TENSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.5 MEASURE ENGINE CYLINDER COMPRESSION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4.6 ADJUST THE PARKING BRAKE LEVER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4.7 MEASURE HYDRAULIC DRIFT ON LIFT & TILT CYLINDERS . . . . . . . . . . . . . . . . . . . . 4-5
4.8 ADJUST THE ACCELERATOR PEDAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
4.9 THROTTLE POSITION SENSOR SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
4.10 ACCELERATOR PEDAL POSITION SENSOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4.11 CHECK BRAKE FLUID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
4.12 MEASURE BRAKE STOPPING DISTANCE (BRAKING EFFECT). . . . . . . . . . . . . . . . . . 4-10
4.13 ADJUST THE STOP LAMP SWITCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4.14 ADJUST THE INCHING/BRAKE PEDAL (TORQFLOW TRUCKS) . . . . . . . . . . . . . . . . . 4-10
4.14.1 Brake Pedal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4.14.2 Inching Pedal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
4.14.3 Inching Pedal/Brake Pedal Interconnected Travel . . . . . . . . . . . . . . . . . . . . . . . . . 4-11
4.15 CHECK TORQFLOW CLUTCH ACTUATION PRESSURE. . . . . . . . . . . . . . . . . . . . . . . . 4-13
4.16 CHECK TORQUE CONVERTER STALL SPEED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
4.17 TESTING SPECIFIC GRAVITY OF BATTERY ELECTROLYTE. . . . . . . . . . . . . . . . . . . . 4-14
4.18 CHECK TIRES AND ADJUST PNEUMATIC TIRE PRESSURE . . . . . . . . . . . . . . . . . . . . 4-15
4.19 MEASURING MINIMUM LEFT AND RIGHT TURNING RADIUS . . . . . . . . . . . . . . . . . . . 4-15
4.20 MEASURE HYDRAULIC CONTROL VALVE RELIEF PRESSURE . . . . . . . . . . . . . . . . . 4-16
5. INSPECTION
5.1 INSPECT ENGINE STARTING OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.2 INSPECT ENGINE RUNNING CONDITION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2

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Komatsu AX20 Series Specifications

General IconGeneral
BrandKomatsu
ModelAX20 Series
CategoryForklifts
LanguageEnglish

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