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SECTION 3 - TROUBLESHOOTING
3120863
– JLG Lift –
3-19
INSTRUMENTS AND INDICATORS.
Travel warning horn inoperative.
Circuit breaker open.
Determine and correct cause; reset circuit
breaker.
Damaged wiring in horn circuit.
Repair or replace wiring.
Damaged horn.
Replace horn.
Hourmeter inoperative.
Damaged wiring in hourmeter circuit.
Repair or replace wiring.
Defective pressure switch.
Replace pressure switch.
Inoperative hourmeter.
Replace hourmeter.
Tilt alarm circuit.
Damaged wiring in tilt alarm circuit.
Repair or replace wiring. See proper wiring dia-
gram.
Tilt alarm inoperative.
Replace tilt alarm.
Tilt alarm not adjusted properly.
Adjust tilt alarm.
Defective bulb in tilt light.
Replace bulb.
High engine speed will not function.
Boom above horizontal.
Lower boom.
Horizontal limit switch malfunctioning.
Repair or replace limit switch.
Drive controller defective.
Replace controller.
High engine solenoid malfunctioning.
Repair or replace solenoid valve.
Drive pressure switch malfunctioning.
Replace pressure switch.
Electrical malfunction.
See wiring diagram.
Defective engine governor.
Repair or replace governor.
Table 3-6.Electrical System - Troubleshooting
TROUBLE
PROBABLE CAUSE
REMEDY
Содержание 80HX
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Страница 10: ...vi JLG Lift 3120863 TABLE OF CONTENTS Continued THIS PAGE LEFT BLANK INTENTIONALLY...
Страница 16: ...SECTION 1 SPECIFICATIONS 1 6 JLG Lift 3120863 Figure 1 2 Lubrication Diagram...
Страница 27: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 5 Figure 2 1 Proportional Control Valve...
Страница 34: ...SECTION 2 PROCEDURES 2 12 JLG Lift 3120863 Figure 2 5 Typical Hydraulic Cylinders Sheet 1 of 4...
Страница 35: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 13 Figure 2 6 Typical Hydraulic Cylinders Sheet 2 of 4...
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Страница 37: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 15 Figure 2 8 Typical Hydraulic Cylinders Sheet 4 of 4...
Страница 44: ...SECTION 2 PROCEDURES 2 22 JLG Lift 3120863 Figure 2 12 Boom Assembly Sheet 1 of 2...
Страница 45: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 23 Figure 2 13 Boom Assembly Sheet 2 of 2...
Страница 53: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 31 Figure 2 16 Adeco Actuator Adjustments F4L912...
Страница 59: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 37 Figure 2 22 Pressure Setting All Hydraulic Machines Sheet 1 of 4...
Страница 60: ...SECTION 2 PROCEDURES 2 38 JLG Lift 3120863 Figure 2 23 Pressure Setting All Hydraulic Machines Sheet 2 of 4...
Страница 61: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 39 Figure 2 24 Pressure Setting All Hydraulic Machines Sheet 3 of 4...
Страница 62: ...SECTION 2 PROCEDURES 2 40 JLG Lift 3120863 Figure 2 25 Pressure Setting All Hydraulic Machines Sheet 4 of 4...
Страница 64: ...SECTION 2 PROCEDURES 2 42 JLG Lift 3120863 Figure 2 27 Solenoid Valve Pressure Settings 4 Wheel Steer...
Страница 65: ...SECTION 2 PROCEDURES 3120863 JLG Lift 2 43 Figure 2 28 Extend A Reach Valve Pressure and Speed Settings...
Страница 68: ...SECTION 2 PROCEDURES 2 46 JLG Lift 3120863 Figure 2 32 Swing Bearing Torquing Sequence...
Страница 70: ...SECTION 2 PROCEDURES 2 48 JLG Lift 3120863 Figure 2 33 Torque Hub Assembly...
Страница 78: ...SECTION 2 PROCEDURES 2 56 JLG Lift 3120863 Figure 2 34 Drive Brake Ausco Machines Built Prior to 1992...
Страница 80: ...SECTION 2 PROCEDURES 2 58 JLG Lift 3120863 Figure 2 35 Drive Brake Mico Machines Built from 1992 to Present...
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Страница 112: ...SECTION 3 TROUBLESHOOTING 3 24 JLG Lift 3120863 Figure 3 5 Hydraulic Schematic Sheet 1 of 6...
Страница 113: ...SECTION 3 TROUBLESHOOTING 3120863 JLG Lift 3 25 Figure 3 6 Hydraulic Schematic Sheet 2 of 6 2792231...
Страница 114: ...SECTION 3 TROUBLESHOOTING 3 26 JLG Lift 3120863 Figure 3 7 Hydraulic Schematic Sheet 3 of 6...
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Страница 116: ...SECTION 3 TROUBLESHOOTING 3 28 JLG Lift 3120863 Figure 3 9 Hydraulic Schematic Sheet 5 of 6...
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