Idler Wheels; Rollers - jcb JS300 Service Manual

10. Do not tension the tracks too much, this will cause the track rail to wear the drive rollers and sprocket.
11. Always make sure you adjust the track tension to the specified limits. Incorrect tension can cause wear to
the drive sprocket and the track rail.
Refer to: Technical Data > Tracks (Page 276).
12. Repeat the procedure for the other track.
Check (Condition)
Check the condition of the track plates.
Check the track plate bolt torques.

Idler Wheels

Check (Condition)
1. Stop the machine on solid, level ground.
2. Do the steps 2 to 12 of Check/Adjust the Track Tension.
Refer to: Maintenance > Tracks > Steel > Check (Operation) (Page 218).
3. Check the top and bottom rollers for oil leaks. If leaks are found contact your JCB dealer
4. Repeat the steps 2 to 3 for the other track.

Rollers

Check (Condition)
1. Stop the machine on solid, level ground.
2. Do the steps 2 to 12 of Check/Adjust the Track Tension.
Refer to: Maintenance > Tracks > Steel > Check (Operation) (Page 218).
3. Check the idler wheels for oil leaks. If leaks are found contact your JCB dealer.
4. Repeat the steps 2 to 3 for the other track.
219
Refer to: Technical Data > Torque Values (Page 266).
9831/1100-2
Maintenance
Tracks
219