9-16
Chapter 9 LUBRICATION SYSTEM
2.3.5 Oil Pump Bushing - Replace
(1) Use the oil pump bushing puller to replace oil pump
bushings.
(2) Replace the oil pump bushing in a timely manner. If the
bushing is too stubborn to remove, replace the bushing
as an assembly of the oil pump case or oil pump cover.
Oil pump bushing - Insert
(3) When press-fitting a bushing in the oil pump cover, ori-
ent the bushing such that its joint is positioned as illus-
trated (it is not aligned with the oil groove).
Oil pump bushing joint position
2.3.6 Oil Pump Safety Valve - Inspect
(1) Inspect the oil pump safety valve spring, and if any
deformation, wear, or breakage is found, or if the speci-
fied limit is exceeded, replace it with a new one.
(2) Inspect the valve and stopper. If significant wear or
malfunction of sliding parts is found, replace them with
new ones.
Safety Valve - Inspect
Bushing inside
diameter
ø34
+0.025
0 mm
[ø1.34
+0.001
0
in.]
Surface roughness
Ra: 0.4 μm
[0.016 μin.]
Removing Press-fitting
Oil pump
bushing puller
P/N:32691-02700
15±5º
15±5º
Bushing joint
Item Standard value
Safety valve opening pressure
1.42 MPa
{14.5 kgf/cm
2
} [206 psi]
Item Standard value
Safety valve spring
Set length / load
97 mm [3.82 in.]/833.6 N
{85 kgf} [187.4 lbf]
Free length of safety valve
spring
120 mm [4.72 in.]
Spring
Valve
Plug
Fatigue, breakage, wear
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