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RT40 Operator’s Manual
Service - 137
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.
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.
IMPORTANT:
Replace sprockets when a new chain is installed.
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*Always follow manufacturer instructions*
*AAA Rent-All 225-291-1356*