Ditch Witch JT9 - Manual (Page 139)

Service - 138
JT9 Operator’s Manual
50 Hour
CMW
®
50 Hour
Drilling Unit
Check Rotation Gearbox Oil Level
Check rotation gearbox oil level every 50 hours. Fill
through plug (1) with MPL as needed.
Location Task Notes
DRILLING
UNIT Check rotation gearbox oil level MPL
Change fluid pump oil level (initial) Initial service, NDO
Check oil cooler
Change hydraulic filter Initial service
Check ground drive gearbox oil level 2 gearboxes, MPL
Inspect thrust rollers
Lubricate rotation gearbox sliding output shaft EPS
Check and adjust belt tension Tier 4i only
Clean alternator cooler turbine Tier 4i only
Clean radiator Tier 4 only
IMPORTANT: Drill frame must be level for
accurate reading.