17) Inspection of Oil Pump
1.
Use micrometer, cylinder gauge, depth gauge and thickness
gauge to measure dimensions shown below. Replace oil
pump if over specified value.
Functional Limit :
Clearance between Outer Rotor and Body a :
0.25 mm (0.0098 in )
Clearance between outer and inner rotors b :
0.16 mm (0.0063 in)
Clearance between sides of rotor and body c :
0.11 mm (0.0043 in) (including wear of oil pump cover)
Height of Outer Rotor d :
14.96 mm (0.5890 in)
Pump Body Inner Diameter e :
40.8 mm (1.605 in)
1 Pump body
2 Outer rotor
3 Inner rotor
4 Shaft
5 Pin
6 Plunger piston
7 Plunger spring
8 Gasket
9 Oil pump cover
4st 60 2019
a
e
b
a
c
1
2
3
4
6
7
8
9
c
d
b
5
5
5-35