Section F - Transmission
Drive Chains
Removal and Replacement
F - 15 F - 15
9803-9460-1
Adjustment
Note: The drive chains are pre-tensioned during
manufacture and do not require routine adjustment in
service. The following procedure should be carried out
whenever the chains are disturbed or renewed.
Left Hand Chain Adjustment
Adjust as follows:
1 Drain the oil from the chaincase.
2 Remove the seat and pump cover. Remove the
chaincase access cover D K
Fig 13. ( T F-16).
Fig 12.
3 Slacken the four bolts A securing the upper motor
mounting to the chaincase.
4 Slacken locknuts B and tighten or loosen bolts C to
raise or lower the mounting. Rotate the sprocket so
that one side of the chain is taut. Position the motor
mounting to give 10 mm (0.4 in) of slack on the
opposite side of the chain at the midway point.
5 When the correct adjustment is achieved, tighten
locknuts B. Tighten the upper motor mounting bolts
6 Refit the chaincase access cover D using a new
gasket. Refill the chaincase with the correct oil.
7 Refit the seat and floorplate.
Right Hand Chain Adjustment
Adjust as follows:
1 Drain the oil from the chaincase.
2 Remove the chaincase access cover D.
3 The hub mounting bolts E should be loosened and nut
F finger tight only.
4 Slacken locknut G and screw adjustment bolt H out to
push the hub away from the centre of the machine
and so tighten the chain.
5 Rotate the sprocket so that one side of the chain is
taut. Position the hub to give 10 mm (0.4 in) of slack
on the opposite side of the chain at the midway point.
6 When the correct tension is achieved, tighten bolts E
and nut F. Tighten the second locknut to the
adjustment bolt H.
7 Torque tighten nut F and bolts E to 220 Nm (162 lbf ft,
22.4 kgf m).
8 Refit the chaincase access cover D using a new
gasket. Refill the chaincase with the correct oil.
A
B
C
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