jcb 426 - Drive Belt

Routine Maintenance
Engine
151 151
9811-3400-4
Drive Belt
Check the Drive Belt
1 Make the machine safe. Refer to Prepare the
Machine for Maintenance.
2 Open the engine cover. Refer to Access Panels,
Engine Cover.
3 Examine the drive belt for damage:
A crack across the width of the drive belt A is
permitted.
Replace the drive belt if there is a crack across the
drive belt, which crosses a crack in the drive belt
length B.
Replace a drive belt that is frayed.
Replace a drive belt that has missing pieces C.
4 Check the tension of the drive belt:
The maximum movement at the longest run of the
drive belt D must be 9.5 to 12.7 mm (0.375 to 0.5 in).
If there is too much movement, get your JCB Dealer
to replace the drive belt.
5 Close and 'latch' the engine cover.
209630-1
Fig 102.
862020-1
Fig 103. 426, 436
209640
Fig 104. 456
D