Ditch Witch JT30AT - Manual (Page 215)

Service - 215
JT30 /JT30 All Terrain Operator’s Manual
50 Hour
CMW
Inspect Thrust Rollers
Inspect thrust rollers (at each end of carriage)
every 50 hours. Clean or replace if they do not turn
freely.
Check Hex Stub
Shine flashlight into spindle and check condition of
hex stub (4) every 50 hours. Replace if rounded.
To replace:
1. Remove saver sub. Do not remove indexing
dowels from spindle.
2. Slide hex stub (4) and spring (3) off of drive
shaft.
3. Check condition of hex stub and replace if
needed.
4. Check o-ring (2) on inner water swivel (seal kit)
and replace if needed.
5. Install new spring and hex stub.
6. Install saver sub. See “Change Inner Water Swivel (Seal Kit)” on page 229.