Volkswagen Type II Transporter 1200 Series Shop Manual page 186

8-Brakes
(3) Take out the toothed adjusting nuts and slotted
screws from their lnr.ation at each end of the adjuster
block.
( 4) Disconnect the hydraulic line at its union with the
wheel cylinder, plug the line end to prevent the entry of
dirt to the hydraulic system. Take out the bleeder valve
from the cylinder. .
(5) Loosen and remove the wheel cylinder securing
bolt and detach the cylinder from the back plate.
(6) Loosen and remove the adjuster block securing nuts
and detach the block from the back plate.
(7) Take out the four securing bolts at the rear wheel
bearing cover and detach the cover and back plate sliding
them over the axle shaft.
TO CLEAN AND INSPECT
(1) Check the shoe linings for wear and renew as
necessary.
(2) Check the shoe· linings for oil saturation or
gumminess and renew as required.
NOTE: Linings must be renewed as sets only, with the
corresponding linings on the other rear wheel.
(3) Check the brake drums for cracks or scoring and
renew or regrind as necessary.
( 4) Ensure that the toothed adjusting nuts are free on
the threads of the adjusting screws, smear the threads
lightly with high melting point graphite grease.
(5) Check the leaf spring tension on the adjuster, if
necessary bend the spring to increase the tension.
( 6) Check he tension of the brake shoe return springs
by comparison with new springs and renew if required.
(7) Ensure that the wheel cylinder rubber boots are not
perished or deteriorated. Renew if required.
(8) Thoroughly clean the contact faces of the back
plate, bearing flange and cover, renew the gasket and check
the oil seal for wear or damage.
TO ASSEMBLE AND INSTAL
(I) Position the back plate and bearing cover with new
gasket over the axle shaft and against the bearing flange.
(2) Ensure that the oil ·drip is pointing downwards,
instal and tighten the four securillg bolts to a torque of 42
ft/lb. .
(3) Instal the wheel cylinder and securing bolt in
position on the back plate and tighten the bolt to a torque
of 42ft/lb.
NOTE: On earlier types ensure that the leaf springfor the
push bar is positioned correctly.
I .
186
( 4) Instal the adjuster block on the back plate and
tighten the securing nuts to a torque of 42 ft/lb. Refit the
adjusting screws and nuts at each end of the adjuster block.
(5) Connect the hydraulic line to the wheel cylinder
and instal the bleeder valve. ·
(6) Insert the handbrake cable through the back plate
guide and secure in position with the retainer.
(7) Refit the pivoted lever to the primary shoe and
secure with the circlip.
On models with 9.842" drum diameter:
(8) Connect the two brake shoes at the bottom with
the return spring ends entered from the back
P~!lte
side,
NOTE: The lower return spring is identified by the spring
coil located at each end.
(9) Open the brake shoes SJlfficiently to in&e1t
th~
push
bar between the shoe webs, instal the spring
~lip
over the
push bar and around the spring.
(I 0) Position the assembly on the back plate and
engage the ends of the shoes in the wheel cylinder piston
slots, and the adjusting screw slots.
(I I) Using a suitable pair of brake spring pliers instal
the upper return spring in position.
(12) Instal the· hold-down pin, spring and seat, press
the seat down against the spring tension and rotate
9p
degrees to lock on the hold-down pin.
On models with 9.055" drum diameter:
(13) Instal the brake shoes in position on the back
plate engaging the shoe ends in the adjusting screw slots and
the wheel cylinder piston slots.
(i4) Insert the push bar between the shoe webs and
ensure that the push bar is located between the bearing
cover and the topof the leaf spring.
(15} Hook the lower return springs into the brake shoe
web from the back plate side, using brake spring pliers
engage the free ends of the springs in theirrespective holes
in the back plate.
(I 6) Carry out the same procedure to instal the upper
return springs to the brake shoes.
(17) Ensure that the ends of the shoes are correctly
located in the slots of the adjusting screws and pistons.
On both types:
( 18) Engage the hand brake cable eye on the pivoted
lever end, operate the lever and check the shoe movement.
(19) Instal the brake drums and tighten the axie shaft
nuts to the specified torque. Secure the nut with a new
split pin.
(20) Adjust the brake shoes and bleed the hydraulic
system as described under the appropriate
sectio~§·