TROUBLESHOOTING
11-11
HYDRAULIC SYSTEM
Problem
Cause
Solution
One Control Lever Does Not
Work
Relief valve pressure low
See your authorized dealer.
Tube or hose damaged
Repair or replace.
Hydraulic fittings loose
Tighten.
Damaged O-rings in fittings
Install new O-ring.
Hydraulic Pump
See your authorized dealer.
Pilot valve
See your authorized dealer.
Pilot lines
Repair or replace.
One Cylinder Does Not Work
Control valve spool damaged or
contaminated with dirt
See your authorized dealer.
Hydraulic lines damaged
Repair or replace.
Fittings loose
Tighten.
O-ring in fitting damaged
Install new O-ring.
Pilot valve
See your authorized dealer.
Pilot lines
Repair or replace.
One Cylinder Does Not Work or
Has Little Power
Piston seals leaking
See your authorized dealer.
Cylinder rod damaged
See your authorized dealer.
Pilot lines
Repair or replace.
Pilot valve
See your authorized dealer.
Failed wiring harness
See your authorized dealer.
Both Travel Motors Do Not
Work
Center joint failure
See your authorized dealer.
One Travel Motor Does Not
Work
Travel motor
See your authorized dealer.
Parking brake not releasing
See your authorized dealer.
Pilot valve
See your authorized dealer.
Pilot lines
Repair or replace.
Travel is Not Smooth
Track adjustment
Adjust tension.
Track idler or rollers damaged
See your authorized dealer.
Track frame bent
See your authorized dealer.
Summary of Contents for ZAXIS 450LC-3
Page 1: ...Serial No 020001 and up Hydraulic Excavator PART NO EM1J3 NA1 2 450LC 3 650LC 3 850LC 3 ...
Page 2: ... ...
Page 4: ......
Page 45: ...SAFETY SIGNS S 33 SS 862 SS 863 SS 859 1 2 3 ...
Page 46: ...SAFETY SIGNS S 34 SS3106039 SS3092349 SS 408 4 5 6 ...
Page 48: ...SAFETY SIGNS S 36 SS 024 SS 710 SS3089713 10 11 12 ...
Page 136: ...OPERATOR S STATION 1 88 MEMO ...
Page 138: ...BREAK IN 2 MEMO ...
Page 150: ...OPERATING THE ENGINE 3 12 MEMO ...
Page 270: ...TRANSPORTING 6 78 MEMO ...
Page 406: ...MAINTENANCE 7 136 M1J1 07 083 33 Retighten air compressor mounting bolts ...
Page 408: ...MAINTENANCE 7 138 MEMO ...
Page 410: ...MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS 9 MEMO ...
Page 438: ...SPECIFICATIONS 12 14 MEMO ...
Page 470: ...OPTIONAL ATTACHMENTS AND DEVICES 13 32 MEMO ...
Page 474: ...INDEX 14 MEMO ...