2-18
GROUP
2
-BRAKES
FILTER RETAINER
SEAL RETAINER
FIG.
1
9-Vacuum Booster Disassembled
CLEANING AND INSPECTION
After disassembly, immerse all
metal parts in cleaning solvent.
Plastic parts should be cleaned
only
in alcohol. Care should be taken to
prevent chipping
of/or damage to
plastic parts. All rubber parts should
be replaced. After parts have been
thoroughly cleaned, those parts which
come in contact with brake fluid
should be rewashed in clean alcohol
before reassembly. Use an air hose
to blow out dirt and cleaning solvent
FIG. 20-Separating
Booster Shells
FILTER
RETAINER
FILTER
DIAPHRAGM
HRAGM
FIG.
2
1
-Removing
Diaphragm
from recesses and internal passages.
When overhauline a vacuum booster
u
use all parts furnished in the repair
kit.
ASSEMBLY OF BOOSTER
1.
Place the rear shell on two
wood blocks as shown
in
Fig.
23.
Position a new seal with the lip fac-
ing down and the bearing in the
shell. Press the seal retainer into the
shell to a depth of
inch.
2.
Dip a new check valve grommet
(Fig.
19)
in alcohol and install it in
the front shell making sure that the
beveled edge is toward the inside.
Make sure that the grommet is
seated. Dip the shoulder of the check
FIG. 22-Removing
Valve Retainer
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