Pontiac FIREBIRD 1972 Service Manual page 594

6-82 1972 PONTIAC SERVICE MANUAL
2. Remove screws retaining cover to oil pump body and
remove cover.
3. Remove driven gear and drive gear with shaft.
CAUTION: Oil pump screen should not be
removed from pump body. Be careful not to
loosen screen.
4. inspect pump body, driven gear shaft and cover for
evidence of wear.
5. Inspect pump gears and end of drive gear shaft for
wear (Fig. 6-139 and 6-140).
6. Inspect oil pump drive shaft (distributor to pump
shaft) for evidence of wear and cracks.
ASSEMBLE
CLEAN A N D INSPECT
1. Install drive and driven gears.
1. Clean all parts thoroughly. Screen must be
thoroughly cleaned by using a fluid such as used for
carburetor cleaning.
2. Inspect pressure regulator spring (Figs. 6-139 and
6-140) for distortion, cracks, and wear on sides.
2. Install cover and turn drive shaft by hand to ensure
that it turns freely.
3. Install pressure regulator ball or valve, spring and
retainer.
I
CAUTION: Do not attempt to change oilpres-
3. Inspect pressure regulator ball or valve to see that it
sure by varying length of pressure regulator
is not nicked or otherwise damaged.
valve spring.
COVER BC
PRESSURE
REGULATOR
SPRING
RETAINER
PICKUP
SCREEN,
" 8 . 7
"a.8.
COVER
REGULATOR
REGULATOR
-
BALL
UIL
PUMP BODY
I
DRIVE
GEAR AND
SHAFT
Fig. 6-1 39 Oil
P u m p - E x p l o d e d
View (All
E x c e p t
307
Engine)