Chevrolet 1973 Overhaul Manual page 138

Part
Diaphragm Support Plate
Poppet Valve
Push Rod Assembly
Front and Rear Housings
IN S P E C T IO N C H A R T
Inspect For
1. Cracks, distortion,
chipping, damaged lever
seats, pitted or rough
holes.
2. Worn seal surfaces
(tubes).
3. Rough or uneven
valve seat.
4. Open passages and flo w
holes.
1. Deterioration o f rubber
or warped valve face.
1. Valve: scratches,
dents, distortion , or
corrosion of I.D. or O.D.
A ll seats to be smooth
and free o f nicks and
dents.
2. Push rod for wear at
piston pin.
1. Scratches, scores, pits,
dents, or other damage
affecting rolling or seal­
ing o f diaphragm or other
seals.
2. Cracks, damage at ears,
damaged threads on studs.
3. Bent or nicked locking
lugs.
4. Loose studs.
BRAKES
Corrective A ctio n
Clean up or replace.
1.
2. Replace
3. Replace
4. Clean
Replace
1.
1. Do not repair - replace.
2 If worn, replace push rod
and pin.
1 Replace, unless easily repaired.
2. Replace, unless easily repaired.
3. Replace, unless easily repaired.
4, Replace or repair.
5-35
OVERHAUL MANUAL