Saab 95 1967, Service Manual

Page: 162 / 610

OVERHAULING WITH A REPAIR KIT
Disassembly
I. Unscrew the suction line from the oil pump.
2. Unscrew the oil pump cover. Remove the inner and
outer rotor from the oil pump housing.
3. Make a hole in the relief valve cover plate with a drift.
Pull out the cover plate with a suitably sized selftap-
ping screw.
CHECKING
AXIAL CLEARANCE OF ROTOR
Correct clearance 0.004 in. (0.1 mm)
2. Check the clearance between the outer rotor and the
oil pump housing with a feeler gage. If the maximum
I! permissible clearance is exceeded, a new pump house
Ii ing must be used.
S
12“
REMOVAL OF RELIEF VALVE COVER PLATE
4. Remove the spring and the oil relief valve.
CHECKING RADIAL CLEARANCE OF ROTOR
Correct clearance 0.012 in. (0.3 mm)
NOTE
Take great pains to remove all grinding dust from
the parts before assembling. The inner rotor and
the drIve shaft constitute one spare part.
OIL PUMP, DISMANTLED
1. Housing 5. Spring 3' Install the 78"“ valve and s rin n
2. Inner and Outer rotor 6. Cover plate With engine 0“ p 9 a d coat them I'thlY
3. Cover 7. Gasket 4 '
4. Relief valve 8. Suction line nstall a new cover plate with the f|at side pointing
outwards. Press It In until it bottoms out against the
stop.
5. Using a blunt, round-tipped drift with a diameter of
“assembly a out-0.48 In. (12 mm), tap the middle of the cover
plate In order to press it home.
6. Install the rotors and coat them with engine oil. Put
1. Insert a new outer and inner rotor in the pump hous- th
e cover on the pump housing and tighten the bolts
ing. Check the clearance between the sealing surface
of the pump housing and the front sides of the outer to the Prescribed toque_ Insert the drive shaft in the
and inner rotor with a ruler and a feeler gage. If neces- 7 rotor shaft and check that the Pump runs easily
sary, grind the sealing surface of the oil pump housing Install the suction ""9 With a new gasket to the oil
pump housing.
or the rotor sides with a fine emery cloth on a face
plate.
991 -9 m 1077