Ditch Witch JT1220 - Manual (Page 190)

JT1220 Mach 1 Operator’s Manual
Service - 189
As Needed
CMW
Change Air Filter
Change air filter when red band on air filter
service indicator pops up.
To change
1. Open clasps and remove end cup (1).
2. Remove primary element (3).
3. Remove secondary element (2), if dirty.
4. Wipe inside of housing and wash end cup.
Wipe dust from ejector valve (4).
5. Install new element(s).
6. Install end cup and close clasps.
7. Reset air filter service indicator (5).
Check Saver Sub
Check saver sub and replace as needed. See
your Ditch Witch dealer for replacement parts.
To replace
1. Remove eight bolts (shown) that attach saver
sub to spindle. Do not remove alignment
dowels from spindle.
2. Remove and replace o-ring, if necessary.
3. Install in reverse order and torque eight bolts
in a cross pattern to 225 ft•lb (305 N•m).
Apply Loctite
®
242 to bolts before installation.