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Просмотр инструкции снегоходы Ski Doo SUMMIT 2005, страница 983
Section 03 ENGINES (2-STROKE)
Subsection 04 (LEAK TEST AND ENGINE DIMENSION MEASUREMENT)
A32C1EA
– Install vacuum/pressure pump (P/N 529 021
800) on exhaust plug.
NOTE: If necessary, lubricate vacuum/pressure
pump (P/N 529 021 800) piston with mild soap.
CAUTION: Using hydrocarbon lubricant (such
as engine oil) will damage rubber seal of pump
piston.
A32C1FA
– Activate pump and pressurize engine to 34 kPa
(5 PSI). Do not exceed this pressure.
– Engine must stand this pressure during 3 min-
utes. If pressure drops before 3 minutes, check
tester kit by spraying a soapy solution on pump
cylinder, all plugs and fittings.
• If tester kit is leaking, bubbles will indicate
where leak comes from.
• If tester kit is not leaking, check engine as per
following procedure.
PROCEDURE
NOTE: A flow chart has been prepared as a visual
reference. See last page of this chapter.
Using flow chart and following text, pressurize
area to be tested and spray soapy solution at the
indicated location.
TEST PRESSURE: 34 KPA (5 PSI) FOR 3 MINUTES
– If there is a leak at the tested location, it is rec-
ommended to continue testing next items be-
fore overhauling engine. There is a possibility
of more than one leak.
– If there is no leak at the tested location, contin-
ue pumping to maintain pressure and continue
with next items until leak is found.
Engine
Check the following:
– All jointed surfaces and screw/stud threads of
engine:
• spark plug base, insulator
• cylinder head
• RAVE valve bellows, piston and housing
• cylinder
• crankcase halves (joint)
• oil injection pump mounting flange (O-ring,
seal)
• coolant pump housing
• bleed screws/plugs
• crankcase grease reservoir fitting.
– Small injection oil lines coming from pump.
A32C1GA
1
2
1
1. Injection nipples
2. Small injection oil lines
110 mmr2005-013
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