Page 330
REPAIR INSTRUCTIONS, PART 1
If the rocker shaft assembly is lifted off the
cylinder head anytime during the installation
procedure, either partially or completely, steps 2
and 3 above must be repeated. Not having the
rockers properly positioned as described in step 3
is the usual cause of a push rod being dislodged
from the lifter cup. If this should occur and not be
corrected, the ceramic roller will break when the
engine is rotated.
4. Loosen the three slave piston adjusting
screw jam nuts on each brake assembly and
back out the adjusting screws so that the
slave pistons are fully retracted into the
housings.
5. Carefully place each housing on the
appropriate rocker arm shaft assembly so
the oil supply screw engages the locating
hole in the brake housing.
6. Lubricate the threads of the brake housing
mounting bolts with clean engine oil and
install the bolts in the housing mounting bolt
holes. Ensure that the correct mounting
bolts are used:
Bolt P/N 416GC22M — use with housing
P/N 757GB58.
Bolt P/N 421GC314M — use with housing
P/Ns 757GB58A and 757GB58B.
7. Starting with the center pair of mounting
bolts, tighten all six bolts on each housing
just enough to seat the housing on the
rocker shaft brackets. Make sure the brake
housings come down level to avoid possible
damage to the rocker shaft brackets.
8. Again, depress each rocker arm adjusting
screw so that the ball end is down and in full
contact with the push rod cup. As each
rocker arm is depressed, rotate the push rod
to ensure proper installation.
9. After each brake housing is seated on the
cylinder head, tighten the mounting bolts to
specification, 45 lb-ft (61 N
폷
m), in the
sequence shown (Figure 386).
386
Figure 386 — Engine Brake Assembly Mounting Bolt
Tightening Sequence
10. Adjust the valve lash to the specified
settings. Refer to “Valve Yoke, Valve Lash
and Slave Piston Adjustments” in the
ENGINE SETUP AND ADJUSTMENTS
section.
5-111.bk Page 330 Monday, July 10, 2006 2:26 PM
Summary of Contents for ASET AC
Page 6: ...TABLE OF CONTENTS Page iii TABLE OF CONTENTS 5 111 bk Page iii Monday July 10 2006 2 26 PM...
Page 14: ...INTRODUCTION Page 1 INTRODUCTION 5 111 bk Page 1 Monday July 10 2006 2 26 PM...
Page 23: ...Page 10 NOTES 5 111 bk Page 10 Monday July 10 2006 2 26 PM...
Page 96: ...COMPONENT LOCATOR Page 83 COMPONENT LOCATOR 5 111 bk Page 83 Monday July 10 2006 2 26 PM...
Page 99: ...Page 86 NOTES 5 111 bk Page 86 Monday July 10 2006 2 26 PM...
Page 100: ...TROUBLESHOOTING Page 87 TROUBLESHOOTING 5 111 bk Page 87 Monday July 10 2006 2 26 PM...
Page 140: ...MAINTENANCE Page 127 MAINTENANCE 5 111 bk Page 127 Monday July 10 2006 2 26 PM...
Page 153: ...Page 140 NOTES 5 111 bk Page 140 Monday July 10 2006 2 26 PM...
Page 383: ...Page 370 NOTES 5 111 bk Page 370 Monday July 10 2006 2 26 PM...
Page 479: ...Page 466 NOTES 5 111 bk Page 466 Monday July 10 2006 2 26 PM...
Page 480: ...SPECIFICATIONS Page 467 SPECIFICATIONS 5 111 bk Page 467 Monday July 10 2006 2 26 PM...
Page 505: ...Page 492 NOTES 5 111 bk Page 492 Monday July 10 2006 2 26 PM...
Page 513: ...Page 500 NOTES 5 111 bk Page 500 Monday July 10 2006 2 26 PM...
Page 519: ...Page 506 NOTES 5 111 bk Page 506 Monday July 10 2006 2 26 PM...
Page 520: ...APPENDIX Page 507 APPENDIX 5 111 bk Page 507 Monday July 10 2006 2 26 PM...
Page 528: ...INDEX Page 515 INDEX Index fm Page 515 Monday July 10 2006 2 48 PM...
Page 535: ...Page 522 NOTES Index fm Page 522 Monday July 10 2006 2 48 PM...