REPAIR INSTRUCTIONS, PART 1
Page 327
383
Figure 383 — Installing Brake Actuating Pin in Exhaust
Yoke
8. Place the six pinless-type yokes in position
over the inlet valve pairs at each cylinder.
The notch and the elongated hole in the
valve yoke must be facing away from the
rocker arm as shown in Figure 384.
When installing pinless yokes, the end of the
yoke with the two notches must face away
from
the valve rocker shaft. If the yoke is installed
incorrectly, it will contact the rocker arm. See
Figure 384.
384
Figure 384 — Proper Assembly of the Pinless Valve Yoke
9. Rock the yokes slightly from side-to-side to
be sure they are seated on the valve stems.
The exhaust valve yokes on engines equipped
with an engine brake (J-Tech™ or MACK) use an
actuator pin assembly in place of the standard
yoke adjusting screw. Ensure that the yokes with
actuator pin assemblies are in position over the
exhaust valves.
1. Actuating Pin
5-111.bk Page 327 Monday, July 10, 2006 2:26 PM
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