Subsection 04 (LUBRICATION SYSTEM)
ENGINE OIL PRESSURE
REGULATOR
Oil Pressure Regulator Location
The oil pressure regulator is located on the engine
magneto side, integrated in the magneto cover.
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NOTE: The oil pressure regulator system works
when the oil pressure exceeds 400 kPa (58 PSI).
Removing the Oil Pressure Regulator
Remove plug screw and pull oil pressure regulator
out.
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1. Plug screw
2. Gasket ring
3. Pressure regulator housing
4. Spring
5. Pressure regulator valve
Inspecting the Oil Pressure Regulator
Inspect pressure regulator housing and valve for
scoring or other damages.
Check spring for free length.
8
SPRING FREE LENGTH
NEW NOMINAL
SERVICE LIMIT
NOTE: Replace worn or damaged components.
Clean bore and thread in the magneto housing
from metal shavings and other contaminations.
Installing the Oil Pressure Regulator
For installation, reverse the removal procedure.
Pay attention to the following details.
NOTE: At installation always replace the gasket
ring of the plug screw by a NEW one.
OIL PUMP
Oil Pump Location
The oil pump is located on the engine PTO side
(behind PTO cover).
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1. Oil pump
Removing the Oil Pump
Remove the PTO cover. Refer to
BOTTOM END
the
subsection.
1. Remove:
– Retaining ring
– Oil pump gear
– Needle pin
– Thrust washer.
39 mm (1.535 in)
37 mm (1.457 in)
PTO COVER
in
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