Service - 132 RT80 Operator’s Manual
As Needed
Trencher
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 tractor. See page 62 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 and verify parking brake indicator is on.
6. Turn ignition switch to STOP.
7. Secure chain by clamping links on either side of
connector pin with chain jaws. Squeeze jaws to
reduce pressure on connector pin.
IMPORTANT: Replace sprockets when a new
chain is installed.
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