JT5 Operator’s Manual Service - 129
50 Hour
CMW
®
50 Hour
Drilling Unit
Change Engine Oil and Filter (Initial)
Change engine oil after 50 hours while oil is warm
and with unit parked on level ground.
1. Open drain (3).
2. Replace filter (4).
3. Close drain.
4. Add DEO at fill (2) until oil level is at highest
line on dipstick (1).
Location Task Notes
DRILLING
UNIT
Change engine oil and filter Initial service, DEO
Change drilling fluid pump oil (initial) EO
Clean drilling fluid pump strainer
Check radiator
Change hydraulic filter Initial service
Check rotation gearbox oil level 2 gearboxes, MPL
Inspect thrust rollers
Check battery
IMPORTANT: Use oil specified in temperature
chart found in “Recommended Lubricants/
Service Key” on page 122.