Volkswagen Type II Transporter 1200 Series Shop Manual page 197

FAN END BRACKET
BEARING RETAINER AND SCREWS
Electrical System-4
THROUGH BOLT
THROUGH BOLT
NOTE: It is possible to remove the generator with the
engine insitu, but the operation is greatly facilitated by
removal
TO INSTAL
The installation procedure is the reverse of the removal
operations with the inclusion of the following:
(1) When installing the fan housing ensure that it seats
correctly against the cylinder cover plates all round.
{2) Note the concentric position of the throttle ring on
early models.
(3) Adjust the fan belt to the correct tension. Over
tensioning will cause premature failure of the generator
bearings. Insufficient tension will result in slipping and drop
off in charging rate and also over heating of the engine.
TO DISMANTLE
' (1) Remove the generator drive pulley and adjusting
washers and nut.
(2) Remove the nut and remove the fan and spacers,
fan hub and Woodruff key. The fan should be held in
position by hand during the foregoing operation.
(3) Remove the cover and reinforcement flange.
(4) Remove the generator regulator.
(5} Disconnect the field coil terminal from the brush
holder of the positive brush.
( 6) Remove the two through bolts.
(7) Lift up the brushes and remove the ball bearing
thrust washer.
(8) Withdraw the end plate and armature from the
frame. .
(9) Using a suitable type puller, remove the ball bearing
from the commutator end including flange, oil slinger and
spacer.
(1 0) Remove the end plate on the fan end.
(11) Remove the ball bearing oil slinger from the end
plate and screw off the flange.
197
Exploded View of Generator Components.
(Typical of all models.)
ARMATURE
COMMUTATOR END BRACKET
BEARING
BRUSH
(12) Remove the ball bearing thrust ring and oil slinger
from the end plate.
(13) If necessary, remove the field coils using a wheel
operated screw driver or other appliance suitable for the
purpose.
TO ASSEMBLE
Assembly is the reverse of the dismantling procedure.
(1) Instal the ball bearing in the fan end plate and
instal flange and end plate on the armature shaft.
(2) Press the oil slinger and bearing onto the
commutator end of the armature shaft.
(3) Insert the armature complete with end plate and
armature into the body so that the dowel engages in the
groove. ·
(4} Connect the field coil lead to brush holder of the
positive brush.
(5) Instal the two through bolts and tighten securely.
( 6) Instal the two spacers on the armature shaft.
(7) Hold the brushes down against the commutator to
ensure that the brushes and springs are correctly seated.
(8) Connect the generator to regulator leads as follows:
The heavy lead to the D+ terminal on the regulator.
The other cable to the DF on the regulator.
NOTE: The regulator on 12 volt systems is fitted with a
variode resistance unit in series with the control winding to
support the output wire.
(9) Instal the fan ensuring that it does not . foul the
housing or cover.
(10) Tighten the fan nut to 4047 ft/lbs.