This is the most practical Service Repair Manual for the Bobcat A300 S/N 521111001 & Above. This DOWNLOAD contains of high quality diagrams and instructions on how to service and repair your Bobcat A300.
CONTENTS
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . II
SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . V
SERIAL NUMBER LOCATION . . . . . . . . . . . . .IX
DELIVERY REPORT. . . . . . . . . . . . . . . . . . . .. . . . . . . X
BOBCAT LOADER INDENTIFICATION . . . . .. . . . . . .XI
SAFETY AND MAINTENANCE. . . . . . . . . . 10-01
HYDRAULIC SYSTEM . . . . . . . . .. . . . . . 20-01
HYDROSTATIC SYSTEM . . . . . . . . . . . . 30-01
DRIVE SYSTEM . . . . . . . . . . . . . . . . . . . . . 40-01
MAIN FRAME . . . . . . . . . . . . . 50-01
ELECTRICAL SYSTEM & ANALYSIS. . . . . . . . . .. . 60-01
ENGINE SERVICE . . . . . . . . . . . . 70-01
SPECIFICATIONS. . . . . . . . . . . . SPEC-01
FOREWORD. . . . . . . . . . . . . . . . . . . . . . . . . . . II
SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . V
SERIAL NUMBER LOCATION . . . . . . . . . . . . .IX
DELIVERY REPORT. . . . . . . . . . . . . . . . . . . .. . . . . . . X
BOBCAT LOADER INDENTIFICATION . . . . .. . . . . . .XI
SAFETY AND MAINTENANCE. . . . . . . . . . 10-01
HYDRAULIC SYSTEM . . . . . . . . .. . . . . . 20-01
HYDROSTATIC SYSTEM . . . . . . . . . . . . 30-01
DRIVE SYSTEM . . . . . . . . . . . . . . . . . . . . . 40-01
MAIN FRAME . . . . . . . . . . . . . 50-01
ELECTRICAL SYSTEM & ANALYSIS. . . . . . . . . .. . 60-01
ENGINE SERVICE . . . . . . . . . . . . 70-01
SPECIFICATIONS. . . . . . . . . . . . SPEC-01
Bobcat A300 TURBO Service repair manual S/N 521111001 & Above
HYDRAULIC SYSTEM INFORMATION Troubleshooting
The hydraulic system will not operate.
The transmission warning light comes ON when hydraulics are operating.
Slow hydraulic system action.
Hydraulic action is not smooth.
Lift arms go up slowly at full engine RPM.
The lift arms or Bob-Tach will move when the pedal is in neutral position.
The lift arms come down with the pedal in the neutral position.
By-pass valve stuck.
By-pass valve stem bent or broke.
The transmission warning light comes ON when hydraulics are operating.
Slow hydraulic system action.
Hydraulic action is not smooth.
Lift arms go up slowly at full engine RPM.
The lift arms or Bob-Tach will move when the pedal is in neutral position.
The lift arms come down with the pedal in the neutral position.
By-pass valve stuck.
By-pass valve stem bent or broke.
KEY TO CORRECT THE CAUSE
1. The fluid level is not correct.
2. The pedal linkage is disconnected.
3. The hydraulic pump has damage.
4. The pedal linkage is not adjusted correctly.
5. Relief valve is not at the correct pressure.
6. Suction leak on the inlet side of the hydraulic pump.
7. Fluid is cold. Wrong viscosity fluid. (See Specifications on Page SPEC-60-1.)
8. Using the loader for more than its rated capacity.
9. Internal leak in the lift cylinder(s).
10. External leak from the lift cylinder(s).
11. Damaged lift spool.
12. Rotate shaft.
13. Replace manual spool cartridge.
2. The pedal linkage is disconnected.
3. The hydraulic pump has damage.
4. The pedal linkage is not adjusted correctly.
5. Relief valve is not at the correct pressure.
6. Suction leak on the inlet side of the hydraulic pump.
7. Fluid is cold. Wrong viscosity fluid. (See Specifications on Page SPEC-60-1.)
8. Using the loader for more than its rated capacity.
9. Internal leak in the lift cylinder(s).
10. External leak from the lift cylinder(s).
11. Damaged lift spool.
12. Rotate shaft.
13. Replace manual spool cartridge.
ELECTRICAL SYSTEM INFORMATION Troubleshooting
Battery will not take a charge.
Alternator will not charge.
Starter will not turn the engine.
Alternator will not charge.
Starter will not turn the engine.
KEY TO CORRECT THE CAUSE
1. Alternator belt is loose or damaged.
2. Battery connections are dirty or loose.
3. Battery is damaged.
4. The ground connection is not making a good contact.
5. The alternator is damaged.
6. The engine is locked.
7. The starter is damaged.
8. The wiring or the solenoid is damaged.
9. Check the fuses.
2. Battery connections are dirty or loose.
3. Battery is damaged.
4. The ground connection is not making a good contact.
5. The alternator is damaged.
6. The engine is locked.
7. The starter is damaged.
8. The wiring or the solenoid is damaged.
9. Check the fuses.
BICS™ SYSTEM Troubleshooting
All indicator lights flashing
One of the indicator lights flashing
Intermittent indicator lights
One of the indicator lights flashing
Intermittent indicator lights
SOLUTION SUGGESTIONS
1. Refer to BICS™ troubleshooting guide.
2. Check wire connections on Bobcat controller to make sure connectors are locked into place.
3. Check pins in connectors for pins pushed back or bent.
4. Use seatbar sensor tester MEL1428 to isolate problem between sensor and controller and wiring.
5. Possible low or high voltage
2. Check wire connections on Bobcat controller to make sure connectors are locked into place.
3. Check pins in connectors for pins pushed back or bent.
4. Use seatbar sensor tester MEL1428 to isolate problem between sensor and controller and wiring.
5. Possible low or high voltage
SEAT BAR SENSOR Troubleshooting Chart
Indicator light does not come ON when seat bar is lowered.
SOLUTION SUGGESTIONS
1. Check sensor wire connection.
2. Use the BICS™ sensor tester MEL1428 with seat bar adapter MEL1567 to check sensor
controller.
3. Check for loose hardware.
4. Check keyed bushing to make sure magnet collar rotates with seat bar.
5. Check magnet collar magnets for contamination such as metal particles
1. Check sensor wire connection.
2. Use the BICS™ sensor tester MEL1428 with seat bar adapter MEL1567 to check sensor
controller.
3. Check for loose hardware.
4. Check keyed bushing to make sure magnet collar rotates with seat bar.
5. Check magnet collar magnets for contamination such as metal particles
没有评论:
发表评论