Rolls-Royce Silver Shadow II - Page 78

Service
Bulletin
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I MOTORS i
CarDMsion
TSO 4171
Bulletinnumber SY/M99 (Issue 2)
Date l 7 77
Page 1 of 3
1
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IS
Circu+at1on list I I 11 11
11 I I II
II I 11 I
Category C
TO ALL DISTRIBUTORS AND RETAILERS
PIPER WINDOW LIFT !-lOTOR LL?.1IT SWITCHES
APPLICABLE TO:
All Rolls-Royce 2 door and Corniche cars, and all Bentley T Series
2 door and Corniche cars prior to car serial numbers CRH 22648,
CRX 22919, DRH 22583, DRX 22781 but including CRH 21998 and
CRX 21729.
j
DESCRIPTION:
f
> *
~*The existing switch PWlll20 i.s to be replaced by switch UG 4049
j wh i ch is included in kit RH 2691 together with the necessary
@ washers.
..
The following procedure should be carried cut with the window
lift mo tor assembly re moved from the car as described in
Chapters - Body, of the Workshop Manual TSD.~476.
PROCE=1:JRE:
Fi gu re l shows the new CG 4049 switches fitted to the window
lift asser..bly. However, va r ianc es of the wincow lift motor
asse~bly are available i .e. opening rear quarter light, but the
sa~e general pr inciples can be applied to all cases in the
positioning of th e switch.
1
Using Figure 1 a~ a guide, mark the centre line of the
existing switch(FW 11120} plunger on to the lower sprocket •
2 Remove
the faulty switch.
3 Usinq Figure las a guide, mount the switch allowing 2,8mm.
to l,4rr.m. (O.lOOin. to O.OS O in.) clearance between the
stainless steel switch plunger and the chain. No part of
the switch should overhang the base plate.