Ditch Witch JT40 - 2000 Hour Service Interval Checks

JT40/JT40 All Terrain Operator’s Manual Service - 225
1000 Hour
Change Diesel Exhaust Fluid (DEF) Tank
Filter (HRC Only)
Change DEF filter (shown) every 1000 hours.
Contact your Ditch Witch
®
dealer for more detailed
information.
1. Remove multifunction head unit from DEF tank.
Take care not to damage unit during removal.
2. Remove retention screw and discard.
3. Pull filter off suction tube and discard.
4. Position new filter suction tube housing onto the
bottom of the suction tube and press flush
against bottom of heater tube fin. Ensure filter
retention screw aligns with retention screw housing.
5. Install new retention screw.
6. Install multifunction head unit into DEF tank. Take care not to damage unit during installation.
Change Ground Drive Gearbox Oil
Change oil in both ground drive gearboxes every
1000 hours.
To change:
1. Drain oil at plug (shown).
2. Rotate gearbox 90° and add MPL at fill plug.
3. Replace fill plug.
IMPORTANT:
• Drill frame must be parked on level
surface for accurate reading.
• Use helper to assist in positioning
gearbox plugs for checking and
adding oil.
• Do not fill more than halfway.
j59om095w.eps
j59om044w.eps