Doosan DX700LC, Operation And Maintenance Manual

Page: 221 / 314

OP001123
4-33
Inspection, Maintenance and Adjustment
Change Swing Reduction Device Oil (Drain
and Refill After First 250 Hours)
NOTE: Change swing reduction device oil after first 250
hours on a new machine and every 2,000 hours
thereafter (See page 4-51).
Change Oil in Travel Reduction Device
(One on Each Side of Unit) (After First
250 Hours)
NOTE:
Drain and refill oil after first 250 hours of operation or
rebuild, and every 1,000 hours thereafter (See page
4-46).
Replace Hydraulic Oil Return Filter (After
First 250 Hours)
NOTE: Replace hydraulic oil return filter after first 250 hours
of operation or rebuild, then every 1,000 hours
thereafter (See page 4-44).
Change Pilot Filter (After First 250 Hours)
NOTE:
Change pilot filter after first 250 hours and every
1000 hours thereafter (See page 4-45).
Inspect Pins and Bushings of the Front
End Attachments for Signs of Wear
Check Fluid Levels in Batteries and
Battery Charge Levels
Inspect for Any Loose or Missing Nuts and
Bolts
Inspect Fuel System Hose Clamps