After every 5,000 miles it is necessary to re-lubricate the cam grease pad. This is
done by removing the pad and working into it a high-melting point grease. Do not
use ordinary grease as this is likely to become fluid under heat and contaminate the
contact breaker faces. Do not run with a faulty or damaged high tension lead, and
occasionally clean away mud and dirt from around the high tension outlet block.
If the unit requires any attention beyond the replacement of contact points or
condenser it is recommended that the complete machine should be sent to an
authorised Wipac Station.
Rectifier
Provided that the leads are securely attached to the rectifier no service or
adjustment should be required.
The rectifier is situated on a support bar to the rear of the battery and it is important
that the unit is making good contact with its support as this type of rectifier is cooled
by surface contact.
Ignition Coil
The coil requires no attention beyond keeping the exterior clean, particularly the
terminals, and occasionally checking that the connections are tight.
Contact Breaker and Stator Unit
To remove this, it is first necessary to remove the outer timing cover and then the
contact breaker cover plate which is held in position by two screws. Remove the
central screw holding the cam A, Fig. 2, pull the cam out, and then lift out the cam
key. Remove the screws holding the contact breaker housing. The whole unit can
then be lifted off with the housing.
Removal of Generator
This should not be attempted by the private owner unless B.S.A. Service Tool
number 61-3188 flywheel extractor is used as described below, otherwise serious
damage to the mainshaft is almost inevitable.
Before proceeding to extract the flywheel from the mainshaft, make sure that the
cam key has been removed from its keyway. Then remove the central nut and its
shakeproof washer. Screw the B.S.A. extractor on to the exposed thread as far as it
will go. Finally, turn the central extractor bolt with a suitable spanner until the
flywheel is drawn from its taper.
Horn
If necessary the horn may be adjusted by means of the small screw in the back of
the body. A slight turn to left or right while depressing the horn button will enable
the best note to be obtained.
Headlight
The front, together with the reflector and bulb assembly, is secured to the main
casing by means of a slotted screw above the lamp rim. To replace a bulb therefore,
it is only necessary to loosen the screw until the rim can be removed.
To replace the double filament bulb, press the bulb retainer inwards and turn
slightly anti-clockwise, when it can be lifted off and the bulb withdrawn. A
replacement bulb automatically provides correct relationship of the filaments.
29
To Next Page
Loading...
