Arctic Cat DVX 400 2004, Руководство по обслуживанию

Страница: 68 / 153

39
SP264
13. With the “T” line centered in the timing hole, hold
the camshaft steady and pull up the cam chain to
remove any slack; then turn the exhaust camshaft so
the arrow (1) is aligned with the gasket surface of the
cylinder head.
14. Engage the cam chain with the exhaust camshaft
sprocket.
15. Starting at the roller pin directly above the arrow (2),
count out 15 pins toward the intake camshaft; then
align and engage the arrow (3) with the 15th pin.

NOTE: The cam chain should now be on all three
sprockets. Be careful not to rotate the crankshaft
until the camshaft journals and cam chain ten-
sioner are secured.
ATV2177
16. Install the alignment pins (1) and cam chain guide;
then install the camshaft journal holder marked EX
on the exhaust camshaft and the camshaft journal
holder marked IN on the intake camshaft.
SP265
17. Making sure that the piston position is top-dead-cen-
ter on the compression stroke, tighten the camshaft
journal holder cap screws to specifications.
SP266
18. Apply engine oil to the tensioner push rod; then
depress the ratchet mechanism (1) and depress the
tensioner push rod (2) all the way into the tensioner
housing.
SP267
19. Install a new gasket and the cam chain tensioner
assembly into the cylinder making sure the UP stamp
is directed towards the cylinder head.
20. Tighten the cam chain tensioner Allen-head cap
screws to specifications; then install the tensioner
spring (3) and tighten the spring holder plug to spec-
ifications.