Cub Cadet Challenger 500, Service Manual

Page: 92 / 244

Engine
4 ‐ 5
2. Install the cylinder head.

Cylinder head gasket

Cylinder Head

9mm bolts (1-6)
Torque 38 Nm or 28 ft lbs

6mm bolts (7)
Torque 10 Nm or 7 ft lbs
Note:
Tighten the tensioner bolt to the
correct torque.
Timing chain tensioner bolt
(10 Nm or 7 ft lbs)
Note:
Tighten the bolts in the proper
sequence as shown in the illustration,
in 2 stages.

Timing chain guide (exhaust
side)

Timing chain tensioner
Lightly press the timing chain
tensioner rod into the
housing by hand.
While pressing, wind it
clockwise with a thin
screwdriver (1) until it stops.
With the screwdriver still
inserted, install the tensioner
and a new gasket onto the
block.
The ‘up’ mark on the tensioner should face
up.
Remove the screwdriver, make sure the
rod releases and tighten the cap bolt to the
specified torque.
Timing chain tensioner cap bolt
(7 Nm or 5 ft lbs)