Volkswagen Type II Transporter 1200 Series Shop Manual page 51

should be closed with a slight amount of tension against the
air intake flange.
( 4) Connect the return spring and instal the right
heating channel.
TO REMOVE AND INSTAL FAN HOUSING
( 1) Release the nut on the generator shaft pulley and
remove the nut, spacers, outer pulley half and the fan belt.
(2) Loosen off and remove the strap securing the
generator to the mounting on the engine. ··
(3) Disconnect the high tension lead between the
distributor cap and coil and pull free the connectors at the
spark plugs. The distributor cap can now be removed.
( 4) Take out the securing screws located at each side of
the fan housing.
(5) Unhook the air control return spring and take out
the throttle ring securing screws.
(6) Remove the fan housing complete with generator
from the engine.
Installation is a reversal of the removal procedure with
attention to the following points:
(I) Ensure that the fan housing is free of damage and
that the air deflector· plates are secure.
(2) Check after installation that the joint between the
housing and cylinder cover plates will not allow the loss of
cooling air, if necessary bend the cylinder cover plates to
improve the joint.
(3) Position the throttle ring in a central position in the
air intake flange, maintaining that position instal and
tighten the securing screws. Connect the air control return
spring.
NOTE: When correctly fitted the throttle ring will lie at an
angle to the air intake flange, no attempt should be made to
rectify this otherwise cooling efficiency will be impaired.
( 4) Carry out the throttle ring adjustment as described
in this section.
TO REMOVE AND INSTAL FAN
(I) Take out the four securing screws attaching the fan
cover to the housing.
(2) Withdraw the generator and fan from the fan
housing.
(3) With the fan securely held, remove the nut
retaining the fan to the end of the generator shaft.
(4) Withdraw the fan, spacer washers and hub from the
end of the shaft.
Installation is a reversal ofthe removal procedure with
attention to the following points:
(I) Position fan hub on the generator shaft with the
Woodruff key correctly located.
51
Cooling and Exhaust System-4
Heat Control Thermostat in Position.
(2) Instal the spacer washers, fan, and retaining nut
which should be tightened to a torque of 45 ft/lb.
(3) Check the clearance between the rear face of the
fan and the front face of the cover which should be .060"
to .070". Adjustment is effected by inserting shim washers
between the fan hub and thrust washer.
NOTE: Normally three shims are installed between the hub
and thrust washer, after inserting the required number to
give the correct clearance the remaining shim washers
should be fitted between the lockwasher and fan. Some
later models may have up to nine shims fitted but the
procedure for adjustment remains the same.
( 4) Instal the generator and fan cover in the fan
housing, fit and tighten the four securing screws.
TO REMOVE AND INSTAL AIR CONTROL FLAPS
(I) Remove the generator and fan housing assembly as
previously described, unhook and remove the flap return
spring.