Plymouth Valiant V-100 1965 Service – Technical Manual page 120

5-22
BRAKES-POWER-KELSEY HAYES
MASTER CYLINDER
AIR CLEANER
PLATE
POWER PISTON SQUARE AIR
REACTION RING INSERT
REACTION RING
REACTION PLATE
HOUSING ASSY.
NK2
HOUSING LOCK
Fig. 34-Power Brake Assembly
(3) Slide the air filter elements and felt seal over
the push rod and down past the retaining shoulder on
the rod. Install the power piston square seal ring in
its groove.
(4)
Install the reaction plate in the power piston,
aligning the three holes with those in the power pis-
ton (Fig. 32).
(5) Place the rubber reaction ring in the reaction
plate.
Do not lubricate this ring.
(6)
Lubricate the outer diameter of the reaction in-
sert with silicone grease and install in the reaction
ring.
(7)
Install the reaction insert bumper into the
guide. Several small spots of silicone grease will hold
the bumper in position while the guide is being in-
stalled into the power piston.
(8)
Place the guide on the power piston, aligning
the holes with the aligning points on the power pis-
ton (Fig. 32). Install the retaining screws and tighten
from 80 to 100 inch pounds. (Remove any resulting
chips.)
(9)
Install the diaphragm on the power piston, make
sure diaphragm is seated in the power piston.
POWER BRAKE COMPONENTS
Assembly
(1) In the housing blocked to prevent bending,
drive the block seal into the housing, using Tool
C-3205 (Fig. 35).
(2) Install a new cover seal on the retainer and
lu-
bricate thoroughly inside and out with silicone grease,
then install in the cover bore (Fig. 31). Install a new
air filter.
(3) Install the check valve in a well lubricated
grommet in the cover (Fig.
28).
(4)
Reinstall the engine lifting bracket Tool C-3804
and clamp in a vise.
(5)
Apply silicone grease to both sides of the bead
(outer edge) of the power piston diaphragm.
(6) Insert the power piston assembly into the hous-
ing with the operating rod
down
(Fig. 31).
(7)
Install the power piston return spring in the
flange of the guide.
(8)
Place the cover over the return spring and press
down on the cover, and at the same time lead the
guide through the seal.
NOTE:
Be sure the scribe lines marked on the
hous-
ing and cover are aligned when the parts are
locked together.
(9)
Rotate the cover to lock
it
to the housing (Fig.
29). Be sure the diaphragm
i s not pinched during the
assembly o f the unit.
(10) Install the housing lock on one of the long
tangs of the housing (Fig.
27).