jcb 1CX, Service Manual

Page: 62 / 242

Section 3 Routine Maintenance
9803/8550
Section 3
10 - 11
Engine (cont'd)
Note: The top illustration shows the XUD engine, the middle
illustration shows the 100 series engine up to machine
number 807552, the bottom illustration shows the 400 series
engine from machine number 807553.
Checking the Alternator Belt Tension - for interval, see
Service Schedule
1 Park the machine on level ground.
2 Stop the engine.
3 Open the bonnet and remove the left hand engine side
panel.
4 When correctly set the belt has approximately 10 mm
(3/8 in) of slack at point X.
5 If the belt requires adjusting proceed as below
Adjusting the Alternator Belt.
! !
WARNING
Make sure the engine cannot be started. Disconnect the
battery before doing this job
.
2-3-3-5
Adjusting the Alternator Belt
1 Loosen nut A and bolt B which secure the alternator.
2 Adjust the fan belt by:
Peugeot engine - turning bolt C to give 10 mm (3/8 in)
slack at point X.
Perkins engine - reposition the alternator to give 10 mm
(3/8 in) slack at point X.
3 Tighten nut A and bolt B.
4 Refit the left hand engine side panel and close the
bonnet.
Fitting a New Alternator Belt
1 Carry out step 1 of Adjusting the Alternator Belt.
2 Turn bolt C or reposition the alternator to slacken the
belt sufficiently to allow removal. Remove the belt.
3 Fit the new belt over the pulleys.
4 Carry out Steps 2 to 4 of Adjusting the Alternator Belt.
10 - 11
Issue 3*
385380
B
X
A
S203910
X
C
A
S255830
B
X
A
B
*
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