Inspection, Maintenance and Adjustment
4-58
4,000 HOUR / BIENNIAL
SERVICE
Major Parts - Periodic Replacement
To ensure safe operation and work, perform periodic
inspections. Also, to increase safety, replace the following parts.
These parts are the ones most often subjected to abrasion, heat
and fatigue. Exchange these parts with new ones at the
designated time intervals, even if the old parts look good.
Always replace all related parts such as gaskets and O-rings.
Use only original equipment manufacturers parts.
Major Component
Parts Name to be Exchanged Periodically
Time to Exchange
Engine
Fuel hose (Tank to fuel prefilter)
2 years or 4,000 hours
Fuel hose (Fuel prefilter to fuel cooler)
Fuel hose (Fuel cooler to ECU)
Fuel hose (ECU to engine CP pump)
Fuel hose (Tank to CP pump)
Heater hose (Heater to engine)
Heater hose (Heater to radiator)
Air Conditioner hose
Hydraulic
System
Body
Pump suction hose
Pump discharge hoses
Pump side branch hoses
Swing motor hoses
Travel motor hoses
Work
Device
Boom cylinder line hoses
Arm cylinder line hoses
Bucket cylinder line hoses
Summary of Contents for DX700LC
Page 2: ......
Page 72: ...OP001120 Safety 1 66 ...
Page 142: ...OP001121 Operating Controls 2 70 ...
Page 188: ...OP001122 Operation 3 46 ...
Page 197: ...OP001123 4 9 Inspection Maintenance and Adjustment ...
Page 282: ...OP001123 Inspection Maintenance and Adjustment 4 94 ...
Page 298: ...OP000030 Troubleshooting 6 6 ...
Page 301: ...OP001125 7 3 Specification ...
Page 308: ...OP001125 Specification 7 10 ...
Page 314: ...950106 00012E Index 8 6 ...