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Просмотр инструкции снегоходы Ski Doo MX Z 2005, страница 941
Section 03 ENGINES (2-STROKE)
Subsection 02 (443 AND 552 ENGINES)
GENERAL
CAUTION: While performing any engine relat-
ed procedure, always make sure that the work-
ing area is clean and free from dust or particles
to reduce the risk of damaging the engine.
TROUBLESHOOTING
Before completely disassemble engine, check air-
tightness. Refer to LEAK TEST AND ENGINE DI-
MENSION MEASUREMENT.
NOTE: The following procedures can be done
without removing the engine from chassis.
CLEANING
Discard all gaskets. Use Loctite Chisel (P/N 413
708 500) to clean mating surfaces.
Clean all metal components in a non-ferrous metal
cleaner.
Scrape off carbon formation from cylinder exhaust
port, cylinder head and piston dome using a wood-
en spatula.
NOTE: The letters “AUS” and arrow on the piston
dome must be visible after cleaning. Clean the
piston ring grooves with a groove cleaner tool, or
with a piece of broken ring.
DISASSEMBLY
Remove top fan cowl, intake sockets and lower
fan cowl.
Remove cylinder heads.
Remove cylinders.
Place a clean cloth or rubber pad (P/N 529 023
400) over crankcase to prevent circlips no. 10 from
falling into crankcase. Then with a pointed tool
insertedinpistonnotch,removebothcirclipsfrom
piston no. 8.
A02C29A
TYPICAL
443 and 552 Engines
On these engines, piston pin needle bearing is
mounted without a cage.
NOTE: The PTO cylinder or fan housing have to be
removed to give access to MAG piston pin with
the puller.
Usepistonpinpulleralongwithsleevekitandlo-
cating sleeve as per following table.
ENGINE
PULLER
P/N
SLEEVE KIT
P/N
LOCATING
SLEEVE P/N
443 529 035 503
529 035 541
(18 mm)
529 023 800
552 529 035 503
529 035 542
(20 mm)
529 023 800
NOTE: The locating sleeve is the same that con-
tains new cageless bearing.
Insert piston pin puller (P/N 529 035 503) making
sure it sits squarely against piston.
mmr2005-011 67
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