122
8
8
Inspect Oil Pump Parts
1. Inspect surfaces of outer and inner rotors,
pump housing, cover, and shaft for wear
and scoring. Replace parts if necessary.
2. Inspect pump housing and passages for
debris. Clean as required.
3. Inspect screen for clogging or damage.
Replace as necessary.
Install Screen and Gerotor Pump
1. Install pump screen until fully seated, or
secure with screw, depending on design.
2. Insert drive shaft, if removed separately.
3. Pre-oil and install outer rotor (
D
, Figure 20)
in pump cavity. Do not use force to install.
4. Pre-oil and install inner rotor (
C
) in pump
cavity.
5. Turn rotor to engage pump in cam or
governor gears.
6. Place o-ring (
B
) in groove in cover (
E
) or
sump.
Figure 20
7. Place pump cover on oil pump cavity
(Figures 21, 22, 23). Torque screws to
values listed in Section 12 - Engine
Specifications.
NOTE:
Some covers have two notches that align
with ribs in the pump cavity.
Figure 21
Figure 22
Figure 23
Oil Filter and Adapters
Remove
1. Drain oil, unscrew filter (
A
, Figure 24) and
discard.
2. Remove screws, filter adapter (
B
), and
gasket. Discard gasket.
Summary of Contents for 120000
Page 5: ...THISPROPER SERVICE AND REPAIR IS IMPORTANT TO THE SAFE ECONOMICAL AND RELIABLE ...
Page 15: ...12 1 1 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 ...
Page 27: ...24 2 2 OIL GARD SYSTEMS 49 ENGINE WILL NOT START 49 ENGINE STARTS AND RUNS WITH LOW OIL 50 ...
Page 105: ...102 6 6 ...
Page 136: ...133 9 9 Figure 22 Figure 23 Figure 24 ...
Page 137: ...134 9 9 ...
Page 149: ...146 10 10 ...
Page 179: ...176 12 ...
