Ditch Witch ST37x, Operator'S Manual

Page: 96 / 112

ST37x Operator’s Manual
Service - 95
As Needed
Replace Digging Chain
Visually check digging chains for wear on rollers
and sidebars (2). Check pins (3) and bushing
wear by measuring distance between chain pins
and comparing it with a new chain. Also check
digging teeth (1).
To remove chain:
1. Fasten and adjust seat belt.
2. Start unit. See page 46 for proper start-up
procedures.
3. Move attachment direction/speed control
until digging chain connector pin is on top
of boom.
4. Lower boom to ground.
5. Engage parking brake.
6. Turn ignition switch to STOP.
7. Roller booms: Secure chain by clamping
links on either side of connector pin with
chain jaws (shown). Squeeze jaws to
reduce pressure on connector pin.
Sprocket booms: Lock rear idler sprocket.
NOTICE: Replace sprockets when a new chain
is installed.