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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 1070
Section 04 ENGINE (4-TEC)
Subsection 04 (LUBRICATION SYSTEM)
1
R1004motr44A
1. Allen wrench
1
R1004motr45A
342
1. O-ring
2. Valve seat
3. Pressure regulator piston
4. Spring
Inspection
Inspect pressure regulator piston and valve seat
for scoring or other damages.
Check spring for free length.
SPRING FREE LENGTH
NEW NOMINAL
46 mm (1.811 in)
SERVICE LIMIT 45 mm (1.771 in)
NOTE: Replace worn or damaged components.
Pressure regulator piston and valve seat may only
be replaced together.
Clean bore and threads in the oil pump housing
from metal shavings and other contaminations.
Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
NOTE: Oil the pressure regulator piston before in-
stallation.
Fit the engine oil pressure regulator by pushing it
carefully with an aluminum or brass rod. The en-
gine oil pressure regulator must be flush with the
crankcase. Following installation check the pres-
sure regulator piston for easy movement.
NOTE: At installation always replace the O-ring
no. 36, and fit it with grease.
OIL PUMPS
The oil pumps are located on the engine alternator
side (behind ignition cover).
Theengineisequippedwithtwooilpumps,apres-
sure oil pump and a suction oil pump.
2
R1004motr46A
1
1. Pressure oil pump
2. Suction oil pump
PRESSURE OIL PUMP
Removal
Remove:
– water pump housing (refer to COOLING SYS-
TEM)
– ignition cover (refer to COOLING SYSTEM)
– oil pump gear no. 31
– needle pin no. 30
– drive gear of crankshaft (refer to CRANKSHAFT)
– oil pump cover screws no. 32 and pull oil pump
cover no. 25
– oil pump shaft with inner rotor no. 27 and outer
rotor no. 28
– intermediate plate no. 29.
202 mmr2005-024
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