2000
Cylinder,Piston Z7
Assembly
Check that piston and cylinder havethe same
classificationmarking (seefig. 1:1and the classi-
fication table).
Fit the insulatingpieceand the sealingcollar on
the cylinder. Check that the gasketisfitted
correctly.
Fig 7:5
Lubricate the piston rings with a few drops of
two-stroke oil. Place the supporting piece in
mounting set No. 5025070-01 under the piston.
Fig 7:3
Placea new cylinder basegasketon the crankcase.
Check that the needle bearingof the wristpin is
not damaged. Fit it in the connecting rod and lubri-
cate with a few drops of two-stroke oil.
Fig 7:4
Fit the piston on the connecting rod. Usefitting
drift No. 5025069-01 to centre the piston against
the needle bearingof the connecting rod. Push
the wristpin in and fit the circlips. Turn them round
with a pair of flat hosepliersto check that they run
smoothly in the grooves.
Fig 7:6
Usethe piston ring compressorin mounting set
No. 5025070-01 and pushthe cylinder care-
fully down over the piston. To avoid breaking the
piston rings,do not turn the cylinder.
Tighten the four cylinder basescrewsdiagonally
and evenly. Turn the crankshaft and check that the
piston moveseasily in the cylinder.
Fit the silencerand the carburetor.
Connect the throttle pushrod to the carburetor,
and fit the plasticsleeveover the adjusting needles.
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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