Plymouth Valiant V-100 1965 Service – Technical Manual page 117

BRAKES-POWER-KELSEY HAYES 5-1 9
CHECK VALVE
-
/
COVER
MOUNTING STUDS (4)
\
PUSH ROD
\ A
MASTER CYLINDER
COVER ASSEMBLY
N
K495
Fig. 23-Power Brake and Master Cylinder
(Kelse y-Hayes)
Disassembly (Fig. 24
and 3 4 1
brake, (Fig. 25).
cleaner plate (Fig. 26).
(1) Remove the master cylinder from the power
(2) Remove the master cylinder push rod and air
(3) Install engine lifting fixture C-3804 on two of
the unit mounting studs. Install flatwashers and nuts
to hold in position.
(4) Install the fixture in a vise, then inscribe a line
on both the housing and cover. (To be used at reas-
sembly.)
(5) Pry out the housing lock, using a screwdriver
(Fig. 27). The lock location is on one of the two long
tangs on the housing.
Do not bend the lock at re-
moval, as it must be reinstalled at assembly.
(6)
Remove the check valve from the cover, by pry-
ing out of the rubber grommet.
(7) Place Tool C-3281 over the master cylinder
mounting studs (Fig. 28).
(8) Rotate the tool slowly when removing the cover
as it is under spring pressure. Separate the housing
and cover to expose the power piston return spring
and diaphragm (Fig. 29).
(9) Remove the cover and lift out the power piston
return spring. Remove the brake unit from the engine
lifting fixture Tool C-3804.
(10) Remove the power piston assembly by slowly
lifting straight up (Fig. 30) then lay aside on a smooth,
clean surface.
(11) Remove the air cleaner, guide seal and the
guide seal retainer from the cover (Fig. 31).
(12) Remove the block seal located in the center
COVER ASSY.'
Fig. 24-Power Brake (Sectional V i e w )
N K496