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25 ENGINE
3. With the outer rotor (4) pressed against one
side of the pump body, with a feeler gauge
measure the clearance between the outer rotor
and pump body at the opposite side. If this
clearance is more than .008", replace the pump
body.
4. Body cover (2) should be smooth. It should be
replaced if scratched, grooved or worn. Lay a
straight edge across the inner surface of cover
and check with .002" feeler gauge between the
cover and straight edge. If the feeler gauge can
be inserted, the cover is worn and must be
replaced.
ASSEMBLY
1. Install the outer. rotor (4) in the pump body (8),
Figure 2.
2. Slide the pump shaft (7) and rotor (5) assembly
into the pump body.
3. Support oil pump body, shaft and rotors assembly
on a clean surface and press pump drive gear (9)
on pump shaft (7). End play between the hub of
the drive gear and pump body should be .004" to
.008".
4. In stall gear pin and peen over both ends
securely.
5. After inspecting to see that pump is thoroughly
clean, install cover gasket (3) in the recess in
the pump body.
6. Install cover (2). Tighten cover screws (1)
evenly and securely.
INSTALLATION
If the engine crankshaft has been rotated inad-
vertently during the interval the oil pump was out
being repaired, ignition timing will be incorrect.
The following steps will then be necessary to
remedy the improper timing.
1. Remove the distributor mounting screw, dis
connect the distributor vacuum control tube,
disconnect the coil lead wire and remove the
distributor.
2. Set dampener timing with the No. 1 piston on
T.D.C.
3. Insert aligning tool J-2794 in the distributor
shaft hole with the aligning pin in line with the
distributor mounting screw hole, Figure 3.
NOTE: The slot in the end of the oil pump
shaft is machined off center as is the tongue on
the end of the distributor shaft, Figure 4.
4. Install the oil pump, engaging the oil pump
drive gear with the camshaft worm gear teeth.
The pump shaft must be aligned to engage the
shaft slot with the tongue on the end of the
aligning tool. Then push the tool out as the
pump is seated against the block mounting
face.
5. Remove aligning tool J-2794'.
6. Set distributor in No. 1 firing position and
install.
7. In stall distributor mounting screw, distribu-
tor c a p , distributor vacuum control tube
and connect the coil lead wire.
FIGURE 3
OIL PAN
REMOVAL
1. Raise car and place stand jacks under the No. 2
frame crossmember.
2. Remove the three bolts attaching the center
steering arm support bracket to the No. 2 cross-
member. This permits the center steering arm
and tie rods to drop.
3. Remove the two attaching bolts, flywheel dust
cover to bell-housing, and remove dust cover.
4. Remove oil pan drain plug and drain oil. 5. Re-
move bolts and lockwashers attaching oil pan
to cylinder block and remove oil pan.
NOTE: Do not lose the round rubber gasket at
the oil outlet tube.
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