Removing The Chain - Toro 25545T Operator's Manual

Adjusting the Digging Chain Tension (continued)
2. Set the parking brake.
3. Ensure the distance from the bottom of the
boom to the chain (A) measures 38–51 mm
(1.5–2 inches).
Note:
Do not overtighten the chain.
Overtightening will cause chain stretch, loss of
machine performance, and possible premature
chain failure.
4. To adjust the tension, loosen the jam nut on the adjustment screw.
5. To tighten the digging chain, turn the adjustment screw clockwise. To loosen it, turn the
screw counterclockwise.
6. When the chain is properly tensioned, tighten the jam nut.

Removing the Chain

Replace the sprockets when a new chain is installed.
1. Fasten and adjust the seat belt.
2. Start the engine.
3. Turn the digging chain until the connector pin is on top of the boom.
4. Lower the boom to the ground.
5. Engage the parking brake.
6. Shut off the machine.
7. Secure the chain by clamping the links on
either side of the connector pin with chain jaws
as shown. Squeeze the jaws to reduce
pressure on the pin.
8. Relieve chain tension.
9. Stand clear of the chain and remove the lock
key from the connector pin.
10. Drive the connector pin out of the link.
11. Unclamp the links. Slowly release the cable
and lower the chain to the ground.
Maintenance: Trencher Maintenance
G434862
IMPORTANT
G434865
Page 7–25 3467-222 A