188 678.1 - RHB LEXION 480 7.14.35
Fan drive
5. Install circlip (32).
(Fig.74,75,80)
6.
Installing and adjusting the fan intermediate drive
belt (20)
, see page 7.3.4
7. Slide on the variable-speed pulley (34).
8. Slide the shims (37) and the thrust sleeve (38) into
position.
Ensure contact of thrust sleeve (38) with capstan
nut or hex. nut (39) at (A).
Pull variable-speed pulley half (34) towards the
thrust sleeve (38) so that the shims (37) make
contact at (B) without play.
The distance (X) must be 40
+1
mm, if required,
correct it with shims (37).
(Fig. 74, 75)
9. From serial no. …:
When thrust sleeve (38) makes contact at
position (A), turn back the capstan nut (39) until
the locking dimension (K) is 25
-1
mm.
The stroke dimension (H) of 22
-1
mm is limited by
the thrust piece of the motor.
A dimension (Y) of 62 mm results.
(Fig. 75, 81)
80
81
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