8-S1
MX5100, WSM
HYDRAULIC SYSTEM
1. TROUBLESHOOTING
W1014322
Symptom
Probable Cause
Solution
Reference
Page
Implement Does Not
Rise (Without Noise)
Control linkage improperly adjusted
Adjust
8-S12, S13
Control linkage improperly assembled or
damaged
Repair or replace
8-S12, S20,
S21
Position control valve malfunctioning
(unload poppet, spool, poppet 1, 2)
Repair or replace
8-S21
Relief valve spring weaken or broken
Replace
8-S23
Hydraulic piston O-ring, cylinder damaged
Replace
8-S19
Implement Does Not
Rise (With Noise)
Transmission fluid improper or insufficient
Change or replenish
G-31
Hydraulic oil filter clogged
Replace
G-31
Suction pipe loosen or broken
Repair or replace
–
Relief valve setting pressure too low
Adjust
8-S11
Relief valve spring weaken or damaged
Replace
8-S23
Hydraulic pump malfunctioning
Repair or replace
8-S14
Implement Does Not
Reach Maximum
Height
Position control feedback rod improperly
adjusted
Adjust
8-S12
Top link length improperly adjusted
Adjust
–
Position control valve spool joint 1 improperly
adjusted
Adjust
8-S21, S22
Hydraulic arm shaft, hydraulic arm, lift arm
improperly assembled
Adjust
8-S20
3 point link improperly set
Adjust
–
Implement Does Not
Lower
Position control valve malfunctioning
(Spool damaged)
Replace
8-S21, S22
Position control valve malfunctioning (Poppet2,
adjusting set screw improperly adjusted)
Adjust
8-S21, S22
Draft control rod improperly adjusted
(if equipped)
Adjust
8-S13
Implement Drops by
Weight
Hydraulic cylinder worn or damaged
Replace
8-S27
Safety valve damaged
Replace
8-S24
Hydraulic piston and O-ring worn or damaged
Replace
8-S19
Lowering speed adjusting valve damaged
Replace
8-S22
Poppet 1 valve seat surface damaged (control
valve)
Replace
8-S21, S22
Poppet 1 fulcrum pin O-ring damaged (control
valve)
Replace
8-S21, S22
Poppet 2 sleeve seat surface damaged (control
valve)
Replace
8-S21, S22
Poppet 2 sleeve O-ring damaged (control valve)
Replace
8-S21, S22
Summary of Contents for MX5100
Page 2: ......
Page 8: ...6 MX5100 WSM SAFETY INSTRUCTIONS...
Page 9: ...7 MX5100 WSM SAFETY INSTRUCTIONS...
Page 12: ...10 MX5100 WSM DIMENSIONS DIMENSIONS...
Page 13: ...11 MX5100 WSM DIMENSIONS...
Page 14: ...12 MX5100 WSM DIMENSIONS...
Page 15: ...G GENERAL...
Page 16: ......
Page 18: ......
Page 87: ...1 ENGINE...
Page 88: ......
Page 90: ......
Page 92: ......
Page 166: ...1 S74 MX5100 WSM ENGINE...
Page 167: ...2 CLUTCH...
Page 168: ......
Page 170: ......
Page 174: ...2 M4 MX5100 WSM CLUTCH...
Page 176: ......
Page 205: ...3 TRANSMISSION...
Page 206: ......
Page 208: ......
Page 209: ...3 M1 MX5100 WSM TRANSMISSION 1 STRUCTURE 1 2WD...
Page 210: ...3 M2 MX5100 WSM TRANSMISSION 2 4WD...
Page 218: ......
Page 265: ...4 REAR AXLE...
Page 266: ......
Page 267: ...CONTENTS MECHANISM 1 STRUCTURE 4 M1...
Page 268: ......
Page 270: ...4 M2 MX5100 WSM REAR AXLE...
Page 272: ......
Page 278: ...4 S6 MX5100 WSM REAR AXLE...
Page 279: ...5 BRAKES...
Page 280: ......
Page 281: ...CONTENTS MECHANISM 1 STRUCTURE 5 M1...
Page 282: ......
Page 286: ......
Page 296: ...5 S10 MX5100 WSM BRAKES...
Page 297: ...6 FRONT AXLE...
Page 298: ......
Page 300: ......
Page 306: ......
Page 327: ...7 STEERING...
Page 328: ......
Page 330: ......
Page 334: ...7 M4 MX5100 WSM STEERING...
Page 336: ......
Page 355: ...8 HYDRAULIC SYSTEM...
Page 356: ......
Page 358: ......
Page 374: ......
Page 402: ...8 S28 MX5100 WSM HYDRAULIC SYSTEM...
Page 403: ...9 ELECTRICAL SYSTEM...
Page 404: ......
Page 406: ......
Page 407: ...9 M1 MX5100 WSM ELECTRICAL SYSTEM 1 WIRING DIAGRAM...
Page 420: ......
Page 454: ...9 S34 MX5100 WSM ELECTRICAL SYSTEM...