50 hour, Drilling unit – Ditch Witch JT100AT User Manual
Page 202

JT100/JT100 All Terrain Operator’s
Manual
Service - 201
50 Hour
CMW
©
50 Hour
Drilling Unit
Check Radiator
Check radiator for dirt, grass, and other foreign
matter every 50 hours. Clean out with
compressed air or spray wash if required. Be
careful not to damage fins with high-pressure air
or water. Check more often if operating in dusty or
grassy conditions.
Location
Task
Notes
DRILLING
UNIT
Check radiator
Check rotation gearbox oil level
MPL
Check thrust drive gearbox oil level
MPL
Check ground drive gearbox oil level
MPL
Inspect thrust rollers
Check anchor driver gearbox oil level
MPL
Check drive belt
Check compressor belt
Change hydraulic filters
Initial
Change remote charge filter
Check JT drilling fluid planetary oil level
MPL
Change AT fluid pump oil (initial)
NDO
Lube saver sub wrench collar and sliding output shaft
EPL
Check hex (AT only)
DOWNHOLE
TOOLS
Rebuild 1.5° and grade tools