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Page Title: OIL PUMP IDLER GEAR, OIL PRESSURE REGULATOR VALVE AND OIL PUMP ASSEMBLY.
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293. OIL PUMP IDLER GEAR, OIL PRESSURE REGULATOR VALVE AND OIL PUMP ASSEMBLY.
Wear limits
Depot
Field
Sizes and fits
Fig.
Ref.
maint
maint
of new parts
letter
Point of measurement
No.
a. Oil Pump Idler Gear.
0.7876
0.7876
0.7870 to 0.7874
B
Inside diameter of oil pump idler gear
bearing.
0.7867
0.7867
0.7869 to 0.7873
AH
Outside diameter of oil pump idler
gear shaft.
0.0008L 0.0006L
0.0003T to 0.0005L
C-AH
Fit of oil pump idler gear bearing on
shaft .
1.8496
1.8496
c
Out side diameter of oil pump idler
1.8499 to 1.8504
gear bearing.
1.8506
1.8494 to 1.8504
1.8506
D
Inside diameter of oil pump idler gear.
Fit of bearing in oil pump idler gear.
0.0010 T to 0.0005L
0..000L 0.0006L
C-D
b. Oil Pressure Regulator Valves and Springs.
A
Oil pressure regulator valve plunger
spring:
2.2800
F r e e length ----------------------
*
*
27.45 lbs 0.3 lbs
Load at 1.750-inches -------------
1.4990
Maximum solid height -------------
0.7995
B
0.8000 to 0.8010
0.7990
Outside diameter of plungers --------
c
0.8030 to 0.8040
0.8050
0.8045
Inside diameter of plunger bores in
housing.
0.0020L to 0.00040L
0.0050L 0.0045L
B-C
Fit of plungers in housing bores -----
D
Piston cooling relief valve plunger
spring.
1.6200
F r e e length ----------------------
Load at 1.380-inches -------------
7.65 lbs 0.7 lbs
0.9520
Maximum solid height -------------
c. Oil Pump Assembly.
(1) Oil pressure relief valve and spring.
FIGURE 517. REPAIR AND REBUILD STANDARD POINTS OF MEASUREMENT
FOR OIL PUMP REGULATOR VALVE.
340

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