MAINTENANCE
95GR MM199 (10---89)
3-14
HYDRAULIC COMPONENTS TROUBLESHOOTING
Problem
Cause
Remedy
Hydraulic cylinder failure
Piston seals leaking
Install seal kit
Barrel worn or rod bent
Replace cylinder
Hydraulic control valve
Valve seals leaking
Install seal kit
failure
Relief valve stuck open
Clean or replace relief valve
(leaking)
Hydraulic motor failure
Motor leaking
Install seal kit
Drive link failure
Replace drive link
Gerotor worn
Replace gerotor set
Output shaft failure
Replace output shaft and
bearings
Hydraulic gear pump
Pump leaking
Install seal kit
pump failure
Gear set failure
Replace gear set
Shaft failure
Replace gear set
Flow divider failure
Replace back plate assembly
Engine---to---pump coupling
Replace coupling
failure
Hydraulic piston pump
Pump leaking
Install seal kit
failure
Relief valve stuck
Clean or replace relief
valve
Integral charge pump failure
Replace charge pump
Rotating group worn
Replace rotating group
Shaft failure
Replace shaft
Backplate worn
Replace backplate
Engine---to---pump coupling
Replace coupling
failure
Summary of Contents for 96GR
Page 1: ... Operator Manual ...
Page 12: ...SPECIFICATIONS 95GR MM199 10 89 1 2 ...
Page 16: ...SPECIFICATIONS 95GR MM199 10 89 1 6 ...
Page 18: ...OPERATION 95GR MM199 10 89 2 2 ...
Page 36: ...OPERATION 95GR MM199 10 89 2 20 ...
Page 47: ...MAINTENANCE 3 11 95GR MM199 10 89 04307 HYDRAULIC SCHEMATIC ...
Page 60: ...MAINTENANCE 95GR MM199 10 89 3 24 04309 ELECTRICAL SCHEMATIC ...
Page 61: ...MAINTENANCE 3 25 95GR MM199 10 89 01502 ELECTRICAL SCHEMATIC ACCESSORIES ...
Page 82: ...APPENDIX 95GR MM199 10 89 4 2 ...