7.14.38 RHB LEXION 480 - 188 678.1
Fan drive
Disassembling the fan drive variable-speed pulley
assembly (spring-loaded)
Remove the fan drive variable-speed pulley assembly
(spring-loaded).
DANGER!
Never unscrew the countersunk head bolts
from the mounting flange until the
compression spring has been blocked with
the special tool – Danger of accident!
Using the special tool, block the compression spring
and remove all countersunk head bolts from the
mounting flange.
(Fig. 89)
Special tool:
1 Lever nut, part no. 181 880.0
2 Spindle, part no. 181 877.0
3 Axial grooved ball bearing, part no. 235 983.0
4 Bushing, part no. 181 807.1
5 Puller plate, part no. 181 935.2
6 Hex. bolt M 16 x 140 DIN 931-8.8,
part no. 242 795.0
7 Sleeve, part no. 181 881.1
(Fig. 90)
By turning the handle of the lever nut, release all the
pressure from the compression spring.
(Fig. 91)
89
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90
91
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