In reassembly;
1)Whenreassemblingmainbearingcover,assemblegovernorlevershaftandgovernorarmbeforereinstallingthem into crankcase.
NOTE: If replacement of oil seal is required,
2) Whenreassemblingmainbearingcover,apply oil to bearingsurfaces,geartrain,tappets,and oil seallips,andforma thin film of oil o n main bearing cover face. Mount an oil seal guide onto .crankshaft to prevent damage t o oil seal lips.
NOTE: Turn crankshaft to TDC, and lock the balancer driven gear by inserting a 4mm dia. rod thru the plug hole and Into a hole in the balancer driven gear (Fig
3)Check if side clearance of crankshaft is 0"0.2mm, and adjust it using adjusting collar, if needed.
4)Clamping torque of mounting bolts for main bearing coveris
\TJOWCl?.>nOnD* |
|
TIMING MARK | CAMSHAFT |
Fig.
6-3-11 CAMSHAFT and TAPPET
1)To preventtappetsfromfallingoutandbeingdamagedwhencamshaft is removed,turncrankcaseoveronitssideas shown in Fig.
2)Withdrawtappets.
NOTE: Mark them so that they can be reinstalled in the same holes.
In reassembly;
1) Put tappets back in their corresponding hole first and then mount camshaft.
CAUTION: DON'T FORGET TO MOUNT GOVERNOR SLEEVEON CAMSHAFT.
2)Timing marks on camshaft gear and crankshaft gear must be matched up. If valve timing is off, engine will not func:tion
properly or may not run atall.
NOTE:Mount camshaft so that the marked tooth on crankshaft gear is between the two marked teeth of the camshaft gear. (Fig.
6-3-12CONNECTING ROD and PISTON
1)Straighten out the bent tabsof rod lock washer and remove bolts from connecting rod.
2)Remove oil scraper,lockwasherandconnectingrodcapfromcrankshaft.
3)Remove piston from connecting rod by detaching two clips, and then removing piston pin.
4 ) Removepistonringsfrompiston by wideningopenends.
