SECTION 10 - ENGINE
10-54
Op. 10 304 41
OIL PUMP
Disassembly
Remove the snap ring.
Take out the collar spring and shim.
Remove the idler gear vane and oil pump cover
together.
Pull out the rotor and thrust washer.
Pull out the oil pump cover from the idler gear.
Remove the spring from the idler gear.
1 Snap ring
2 Collar
3 Spring
4 Shim
5 Oil pump cover
6 Rotor
7 Spring
8 Idler gear
9 Thrust washer
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Inspection
Check the oil pump cover, rotor, and vane for wear.
If excessively worn or damaged, replace.
Check the clearance at 1 between the rotor and the
vane.
Reassembly (see Idler Gear)
Reassemble the oil pump in the reverse order of
disassembly.
Align the set marks on the crankshaft gear and idler
gear to reassemble.
Make sure the tip clearance at 1, between the rotor
and the vane is 0.0004″ to 0.006″ (0.01 mm to 0.15
mm) . Allowable limit is 0.009″ (0.25 mm) .
19992601
80
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