TRUCK SERVICE MANUAL
BRAKES-AIR
c.
Assemble gasket and guide screw into plunger
housing.
4. AUTOMATIC ADJUSTING PLUNGERS
a.
Grease coat the inside and outside surfaces of
both the adjusting plunger and the adjusting
b.-Insert the sleeve into the plunger until it bottoms.
sleeve. Place the plunger into the plunger
Install gasket, spring and hollow capscrew into the
housing aligning plunger key-way slot with the
plunger housing.
Tighten capscrew finger tight.
guide hole and assemble adjusting pawl* Push
pawl back flush with inside of plunger and hold in
this position with a small screwdriver while
installing grease coated adjusting sleeve.
NOTE The adjusting pawl has teeth and flats on one
end and a chamfered edge on the other end. Coat pawl
with grease and insert it into the guide hole, teeth first,
and IMPORTANT with chamfer toward the brake shoe.
This aligns the pawl and sleeve teeth and the flats with
the key-way slot.
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