Alfa Romeo alfa 33 Workshop Manual page 255

Pad replacement
1. Lift
car' s front end positioning it
on safety stands (Refer to: Group 00
2. Using a suitable punch, push pad
d o w e l p i n s @ as shown, in the
figure that follows:
1 Pins
3. Remove, in sequence: the lower
pin, the cross spring plate 0, and
the upper pin.
1 Cross spring plate
4. With suitable pliers, remove the
pad on cylinder' s side.
5. With a plastic hammer, strike
floating caliper on cylinder' s side
thus removing the other pad.
1 Pad on cylinder' s side
2 Brake disc
May 1983
FRONT AND REAR BRAKES
CAUTION:
When pads are off, do not push brake
pedal in order to avoid piston from
being ejected from its seat on float-
ing caliper. When replacing pads use
only original spare parts and replace
them on both calipers.
Pad assembly shall be carried out by
positioning crawfoot towards the
forward rotation direction of brake
disc.
6. Clean pads' seats on caliper with
alcohol.
CAUTION:
Do not lubricate in any way the
pads' retaining seats on calipers.
7. Push piston back into floating
caliper.
CAUTION:
To avoid overflow of brake fluid
when the piston is pushed back, it is
advisable to withdraw some of the
fluid from the reservoir with a
syringe.
8. Fit pads into their relevant seat
and then complete assembly by
fitting, in sequence: the first dowel
pin, the cross spring plate, and the
second dowel pin.
9. Restore proper brake fluid in
reservoir (ATE
" S " o r -AGIP Fl
Brake Fluid Super ED or IP Auto
Fluid FR).
CAUTION:
To restore correct braking, push
brake pedal all the way down a few
times.
Caliper unit
AND INSTALLATION
REMOVAL
Removal and installation procedures
of ATE calipers are like those of
DBA calipers (Refer to: DBA Caliper
Removal and Installation).
Floating caliper
DISASSEMBLY
If required, carry out disassembly of
floating caliper, operating as follows.
2 2 - 1 4
1. Empty brake fluid reservoir with
a syringe.
2. Disconnect brake fluid hose.
3 . R e m o v e p a d s ( R e f e r t o : P a d
Replacement).
4. With a plastic hammer, strike
floating caliper @ till it comes off
from its support @ _
2 Caliper support
1 Floating caliper
5. Fit caliper on a vice equipped
with protecting jaws and remove the
dust cover' s @ lock ring 0
as the boot.
6. Use a jet of compressed air to
r e m o v e b r a k e p i s t o n @ f r o m
cylinder on floating caliper body
7.
Remove seal ring @ from its
seat on cylinder.
1 Lock ring 4 Seal ring
2
Oust
5 Floating caliper
3 Piston
CHECKS AND INSPECTIONS
For checks and inspections of ATE
calipers, r e f e r t o : D B A c a l i p e r -
Checks and Inspections.
INSTALLATION
If previously disassembled, carry out
as
well