Subaru XT 1988 Service Manual page 983

4-4
BRAKES
Wheel Cylinder
DISASSEMBLY
1)
Remove boot from cylinder.
2)
Take out piston, which is piston ASSY with cup.
a. Wheel cylinder can be disassembled and inspected with it
mounted on the back plate. Therefore it should not be
removed except replacing the wheel cylinder ASSY etc.
b. When removing the cup from piston, be careful not to
damage piston. And be sure to use the new cup.
INSPECTION
2) Apply rubber grease to the boot inside as shown in figure.
NIGlUBE RX-2 GREASE (PIN 003606000)
Never use brake grease.
*;
Apply NIGLUBE RX-2
L4-927
Inspect each parts after washing them with brake fluid, and Fig. 91
replace if the following defects are found.
Do not use any cleaning solvent other than brake fluid.
1)
Cup: Damage, fatigue or wear.
2)
Cylinder and piston frictional surfaces: damage, uneven
wear, corrosion or rust.
3)
Spring: Rust or damage.
4) Boot: Damage.
ASSEMBLY
1)
Assembly is the reverse order of disassembly.
a. When installing the cup, use the special tool ADAPTER,
apply brake fluid to the frictional surface for smooth installa-
tion and pay attention to cup direction.
b. When replacing the repair kit, make sure that the sizes of
cylinder and cup are the same as those which were replaced.
c. Special tools (ADAPTE Rs) are available in different sizes.
Use only the tool of the correct size.
ADAPTER
Part No.
Applicable size
925460000
17.46 mm (11/16 in)
d. While assembling, be careful to prevent any metal chip, dust
or dirt from entering the wheel cylinder.
36
Master Cylinder
REMOVAL
1)
Thoroughly drain brake fluid from reservoir tank.
2) Disconnect fluid level indicator harness connector.
3)
Remove brake pipes from master cylinder.
4)
Remove master cylinder mounting nuts, and take out
master cyl inder from brake booster.
Do not let brake fluid remain on a painted surface. Wash off
it immediately.
DISASSEMBLY
PRECAUTIONS FOR DISASSEMBLY
1)
Remove mud and dirt from the surface of brake master
cylinder.
2) Prepare tools necessary for disassembly operation, and
arrange them neatly on work bench.
3) Clean work bench.
4) Tools for disassembly operation:
• Phillips screwdriver
• C-ring pliers