HT25 - MAINTENANCE
89
TRENCHER
HT25 - MAINTENANCE
89
TRENCHER
Chain Replacement
Visually check digging chains for wear on rollers and sidebars.
Check pins and bushing wear by measuring distance between
chain pins and comparing it with a new chain.
Replace sprockets when a new chain is installed.
To remove chain:
1. Start unit, following directions in
OPERATION
.
2. Turn digging chain until connector pin is on top of boom.
3. Lower boom to ground.
4. Stop engine.
5. Secure chain by clamping
links on either side of
connector pin with chain jaws.
Squeeze jaws to reduce
pressure on connector pin.
6. Loop cable through links
nearest connector pin.
om1752x
om1744x
Chain Replacement
Visually check digging chains for wear on rollers and sidebars.
Check pins and bushing wear by measuring distance between
chain pins and comparing it with a new chain.
Replace sprockets when a new chain is installed.
To remove chain:
1. Start unit, following directions in
OPERATION
.
2. Turn digging chain until connector pin is on top of boom.
3. Lower boom to ground.
4. Stop engine.
5. Secure chain by clamping
links on either side of
connector pin with chain jaws.
Squeeze jaws to reduce
pressure on connector pin.
6. Loop cable through links
nearest connector pin.
om1752x
om1744x