Volkswagen Type II Transporter 1200 Series Shop Manual page 67

TO DISMANTLE
pin.
(1) As already described, remove the fuel pump.
(2) Extract the locking ring from the rocker arm pin.
(3) Using a suitable punch, drive out the rocker arm
(4) From the inspection cover remove the two securing
screws and take off the cover.
(5) Using a screwdriver take out the rocker arm return
spring.
( 6) Undo the top cover screw and remove the cover.
(7) From the top remove the gauze filter very
carefully.
(8) Undo the six attaching screws and separate the two
portions of the fuel pump.
(9) With the finger and thumb press down the
diaphragm and take out the rocker arm.
(10) From the lower portion of the pump remove the
diaphragm with spring and gasket.
TO ASSEMBLE
Assembling is a reversal of the dismantling procedure
observing the following points:
(1)
Carefully check the suction and the delivery valves,
and replace if necessary.
(2) Check the diaphragm and. the top cover rubber
gasket for wear or deterioration and renew if necessary.
(3) Using thumb and finger press down the diaphragm
and spring and insert the rocker arm in the diaphragm ..
Insert rocker arm pin and secure with the locking ring.
(4) Position the lower body of the fuel pump in a vice.
The diaphragm should be brought to the necessary
assembling position by drawing level with the face of the
lower body.
(5) The upper portion of the pump can now be placed
in position with the fuel connections being located above
the inspection cover. Ensure that the diaphragm is seated
properly all round and without any creasing. Insert the
filter with the flat side facing downward. Do not forget to
Fuel System-13
instal the fibre sealing washer between the pump cover and
the mounting screw.
( 6) Using universal grease pack the lower portion of the
pump. At operating temperature, the grease becomes liquid
which enables all moving parts to be lubricated. One
indication that the diaphragm is leaking is when the rocker
arm and the push rods are lacking oil or grease.
(7) Check if the rocker arm is seating correctly.
PUMP ASSY
GASKET
INTERMEDIATE FLANGE
Fuel Pump with Intermediate Flange and Push Rod.
4. AIR CLEANER
The air cleaner is, in fact, a filter installed for filtering
all
dust and grit from the air prior to its entering the
carburettor intake and thereby prolongs the life of the
erigine.
It is not sufficient to only have an air cleaner installed,
but to ensure that it is at all times maintained in good
condition by regular servicing.
67
OIL BATH AIR CLEANER
This type of air cleaner requires regular servicing every
3500 miles while operating under normal conditions.
The contaminated oil should be emptied from the oil
reservoir of the air cleaner, thoroughly clean the reservoir .
and fill with fresh engine oil SAE 20 up to the level mark.