Routine Maintenance
Forks
159 159
9811/5700-7
Forks
Inspecting the Forks
!MWARNING
Do not try to correct the alignment of the fork tips by
bending the forks or adding shims. Never repair
damaged forks by heating or welding. Forks are made
of special steel using special procedures. Always
replace damaged forks.
12-5-1-6
1 Park the machine on level, solid ground.
2 Make sure the park brake is engaged and select
neutral.
3 Raise the forks to allow inspection.
4 Stop the engine and remove the key.
5 Inspect the forks as follows:
a Make sure there are no cracks or obvious damage
such as twisting or bending.
b Inspect the heel of the forks for wear. Wear must
not exceed 10% of the fork thickness.
c Check that the fork tips are aligned. Tip alignment
must be within 3% of the fork length.
d Check the angle of the fork upright to the fork
plate. The angle must not exceed 93 degrees.
Changing the Forks
!MWARNING
The forks are heavy. Make sure suitable lifting
equipment is used to support and transport them.
12-5-1-7_2
1 Park the machine on level, solid ground.
2 Apply the park brake and select neutral.
3 Depending on the fork type fitted, remove each type
of fork as follows:
Industrial Carriage Forks
Note: The locking clamp X is only required when the
individual fork width is less than 125mm (5in). Contact your
JCB dealer to procure and install a locking clamp if
required.
Removal
1 If installed, remove the locking clamp X from the
bottom of the carriage. K
Fig 126. ( T 159)
2 Release locking pins A and slide the fork to the centre
of the carriage so it is level with the bottom removal
notch C. K
Fig 126. ( T 159)
Note: Your machine will have either twist and pull or pull
type fork locking pins. K
Fig 126. ( T 159)
3 Lower the forks onto blocks so that the bottom hook
B disengages from the bottom removal notch C.
K Fig 126. ( T 159)
4 Lower the carriage further so that the upper hook D
disengages from the top of the carriage E.
K
Fig 126. ( T 159)
5 Move the carriage away from the forks or support and
remove the forks using suitable lifting equipment.
T069860-1
Fig 126.
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