1975 Datsun 280z FSM - Spooled up Racing

Retainer
Brake System
3. Before installing diaphragm into
position, apply a thin coating of micapower
to it except outer diameter and
seating portion with which shell comes
into contact.
4. Before installing reaction disc in
place on diaphragm plate, apply a thin
coating of Master-Vac grease.
4. After assembly, adjust length of
push rod to less than specified value
indicated in Figure BR-58. Length
adjustment of push rod is made at the
tip of push rod.
Length "B"
9.75 to 10 mm
(0.384 to 0.394 in)
BR 185
Fig. BR-54 Length at "A "
DIAPHRAGM PLATE
ASSEMBLY
1. Apply a thin coating of grease to
sliding contact portion on periphery of
plunger assembly.
3111
BR186
Fig. BR-55 Requiring grease place
2. Install plunger assembly and
silencer in diaphragm plate, and lightly
push plunger stop key in place.
Note: Diaphragm plate is made of
bakelite. Exercise care in installing
plunger assembly not to
damage diaphragm plate.
FRONT SHELL-SEAL
ASSEMBLY
Before installing front shell-seal assembly,
apply a coating of Master-Vac
grease to inner wall of seal and front
shell with which seal comes into contact.
FINAL ASSEMBLY
1. Apply a thin coating of Master-
Vac grease to outer edges of diaphragm
with which rear and front
shells come into contact, before installing
diaphragm in position.
2. Before installing push rod assembly
in place, apply a coating of
Master-Vac grease to sliding contact
surface of diaphragm plate.
3. Align marks scribed in rear shell
and front shell. Carefully turn
special tool "Master-Vac Wrench
ST08080000" clockwise until it
reaches notch in shell retainer.
ST08080000
BR 688
Fig. BR-58 Length at "B"
BR 189
Fig. BR-59 Adjusting push rod length
INSTALLATION
Install in reverse sequence of removal.
Note: After Master-Vac is properly
installed in vehicle, conduct an
air-tight and operational tests.
BR187
Fig. BR-56 Inserting stop key
BR177
Fig. BR-57 Tightening rear shell
BR-19