Loosen the No. 1 exhaust rocker arm (6564)
and rotate to one side.
Install Rotunda Dial Indicator with Bracketry 014-00282 with Cupshaped
Adapter TOOL-6565-AB or equivalent on the end of the push rod (6565)
.
Turn the crankshaft (6303)
clockwise until No. 1 piston (6108)
is at TDC off the exhaust cycle. The damper timing mark
should point to TDC on
the timing degree indicator. This will also take up the slack on the LH side of
the timing chain.
Zero the dial indicator.
Slowly turn the crankshaft
counterclockwise until the slightest movement is seen
on the dial indicator. Stop, and observe the damper timing mark for the number
of degrees of travel from TDC.
If the reading on the timing degree indicator exceeds six degrees, replace
the timing chain and camshaft sprockets (6256)
/ crankshaft sprockets (6306)
.
