Komatsu AE50 AM50 Series Service Manual SM152

Data Size: 28.91 MB 
File Type: PDF 
Language: English 
Manufacturer: Komatsu 
Applicable Machine: Forklift 
Document: Service Manual 
Machine Model: Komatsu AE50 AM50 Series Forklift 
AE50: FB15U-12, FB18U-12, FB15FU-12, FB18FU-12, FB20AU-12, FB20AFU-12 S/N 837898~ 
AM50; FB15MU-12, FB18MU-12, FB15MFU-12, FB18MFU-12, FB20MU-12, FB20MFU-12 S/N 826828~ 
Book Number: SM152 
Publication Date: 2010 
Page: 394 Pages

List Contents:

CONTENTS 
1. Specifications and General Information 
Outside view 
SPECIFICATIONS 
PERIODIC REPLACEMENT OF CONSUMABLE PARTS 
STANDARD TIGHTENING TORQUE FOR BOLTS 
STANDARD TIGHTENING TORQUE FOR PIPE JOINTS 
HOW TO USE LOCTITE 
SAFETY 
FIRE PREVENTION 
BASIC PRECAUTIONS 
START-UP INSPECTION 
TRAVELING THE LIFT TRUCK 
LOAD HANDLING OPERATION 
PRECAUTIONS FOR INSPECTION AND MAINTENANCE 
HOISTING AND TRANSPORTING THE LIFT TRUCK 
STRUCTURE AND STABILITY OF THE LIFT TRUCK 
2. Testing and Adjusting 
Service Data (4-wheel lift truck) 
Service Data (3-wheel lift truck) 
releasing the pressure in the hydraulic piping 
Lift Interrupt 
Meter Panel 
Operation of Meter Panel 
Battery 
Fuse 
Transfer Case 
Adjustment of Wet Type Brake and Parking Brake 
Wet Type Brake 
Hydraulic Oil Tank 
Mast (1.5 - 1.75 ton lift truck) 
Mast (2.0 ton lift truck) 
Finger Bar 
Naturally descending amount of hydraulic oil cylinder 
Air Bleeding 
List of Lubricant and Grease 
3. Removal and Installation 
Unit Location Diagram 
Unit Mass (4-wheel lift truck) 
Unit Mass (3-wheel lift truck) 
Drawing of Disassembly/Assembly 
Mast 
Lift Cylinder 
Drive Axle 
Steering Axle 
Rear Axle 
Battery 
Hydraulic Pump AND Pump Motor 
4. Disassembly and Assembly 
Drive Axle 
Transfer (Brake) 
Transfer (hub bearing) 
Transfer (Transfer) 
Brake Wheel Cylinder 
Brake Master Cylinder 
Steering Gear Box 
Orbitrol 
Power Steering Cylinder (4-wheel lift truck) 
Steering Axle (3-wheel lift truck) 
Rear Axle (4-wheel lift truck) 
Lift Cylinder 
Tilt Cylinder 
Hydraulic Pump 
Control Valve 
Drive Motor 
Pump Motor 
5. Maintenance Standard 
Drive Axle 
Wheel Cylinder Block 
Brake Master Cylinder 
Steering Axle (3-wheel lift truck) 
Rear Axle 
Lift Cylinder 
Tilt Cylinder 
Control Valve 
HYDRAULIC PUMP 
Mast, Finger Bar, Fork 
Drive Motor 
Pump Motor 
6. Structure and Function 
Brake 
Hydraulic Circuit Diagram 
Control Valve 
7. Troubleshooting 
Diagnosis Tool 
Configuration Parts, Sensor, Unit Location Drawing 
Location Drawing 
Location of CPU Board Connector 
Overview of Trouble CodeS 
Preparation for voltage check and current check 
Input / Output Signal of Controller 
Trouble Code List 
Diagnostic Procedure by Trouble Code (ALA code) 
Diagnosis Procedure by trouble code (ERR code) 
Diagnostic Procedure by Meter Display Trouble Code 
Trouble without ERROR CODES 
Proportional Solenoid Valve Controller 
Adjustment Procedure of Tilt Automatic Horizontal 
Meter Panel 
HARNESS LIST 
8. Yearly Inspection Criteria 
9. Conversion Tables 
Appendix 
3BA-97-99710 (Input Gear/Bearing Press-fitting Jig) 
3BA-97-99720 (Multiple Disc Alignment Jig) 
3BA-97-99730 (Multiple Holder Clearance Aligning Jig) 
3BA-97-99740 (3-Wheel Rear Axle Press-fitting Jig) 
3BA-97-99760 (3-Wheel Rear Axle Sensor Alignment Jig) 
Service Tool Configuration 
ELECTRIC WIRING DIAGRAM - TYPE A (lift truck WITH 3 ports) 
ELECTRIC WIRING DIAGRAM - TYPE B (lift truck WITH 4 ports)