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200 BENCH PROCEDURES
Page 5-25
[213 NB] Inlet and Exhaust Valve
Removal
Refer to Figure 5-25.
1. Attach valve spring keeper remover J 29294-B
to cylinder head.
2. Rest tool compression forks (4) on top of
upper washer (3) and center forks above
valve.
3. Depress tool handle until valve spring is
compressed. Remove valve spring washer
keys (2) using a magnet (1).
Valve spring keeper remover J 29294-B must be
repositioned for each series of valves (two inlet
and two exhaust, per cylinder). Drilled and tapped
holes are provided for each cylinder.
Figure 5-25 — Valve Spring Keeper Removal
VALVE STEM SEALS
Refer to Figure 5-26.
A new valve stem seal was introduced into E7
engine production on 11/1/96, beginning with
engine serial number 6S2657. The older valve
stem seal has a single sealing lip, while the new-
style seal incorporates a second lip that
significantly reduces crankcase blowby. This new
seal can easily be identified by the steel retainer
band around the top of the seal lip.
To improve seal-to-guide retention, a change was
made to the valve guides. The new-style guides
have three sharp ridges machined into the upper
outside diameter surface (refer to Figure 5-26).
The new valve guides were phased into
production during the first quarter of 1997.
1. Magnet
2. Valve spring washer
keys
3. Upper washer
4. Tool compression forks
(J 29294-B)
200286a
1
2
3
4
5-101.bk Page 25 Friday, March 17, 2006 11:05 AM
Содержание E7
Страница 1: ...E7 ENGINE OVERHAUL AUGUST 1997 ENGINE 5 101...
Страница 2: ...Page 0 front fr5 Page 0 Friday March 17 2006 11 04 AM...
Страница 5: ...E7ENGINE OVERHAUL MARCH 2006 2 5M REP AUGUST 1997 10M MACK TRUCKS INC 1997 ENGINE 5 101...
Страница 7: ...SAFETY INFORMATION Page iii SAFETY INFORMATION front fr5 Page iii Friday March 17 2006 11 04 AM...
Страница 13: ...ABOUT THIS MANUAL Page ix ABOUT THIS MANUAL front fr5 Page ix Friday March 17 2006 11 04 AM...
Страница 15: ...TABLE OF CONTENTS Page xi TABLE OF CONTENTS front fr5 Page xi Friday March 17 2006 11 04 AM...
Страница 24: ...Page xx NOTES front fr5 Page xx Friday March 17 2006 11 04 AM...
Страница 25: ...200 GENERAL INFORMATION Page 1 1 GENERAL INFORMATION 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 31: ...200 SPECIFICATIONS Page 2 1 SPECIFICATIONS 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 55: ...200 ENGINE REMOVAL Page 3 1 ENGINE REMOVAL 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 58: ...Page 3 4 NOTES 5 101 bk Page 4 Friday March 17 2006 11 05 AM...
Страница 59: ...200 ENGINE DISASSEMBLY Page 4 1 ENGINE DISASSEMBLY 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 90: ...Page 4 32 NOTES 5 101 bk Page 32 Friday March 17 2006 11 05 AM...
Страница 91: ...200 BENCH PROCEDURES Page 5 1 BENCH PROCEDURES 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 158: ...Page 5 68 NOTES 5 101 bk Page 68 Friday March 17 2006 11 05 AM...
Страница 159: ...200 ENGINE ASSEMBLY Page 6 1 ENGINE ASSEMBLY 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 186: ...Page 6 28 200 ENGINE ASSEMBLY Figure 6 26 Flywheel Housing Bolts 5 101 bk Page 28 Friday March 17 2006 11 05 AM...
Страница 240: ...Page 6 82 NOTES 5 101 bk Page 82 Friday March 17 2006 11 05 AM...
Страница 241: ...200 SETUP AND ADJUSTMENTS Page 7 1 SETUP AND ADJUSTMENTS 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 263: ...200 ENGINE INSTALLATION TESTING Page 8 1 ENGINE INSTALLATION TESTING 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 272: ...Page 8 10 NOTES 5 101 bk Page 10 Friday March 17 2006 11 05 AM...
Страница 273: ...200 TROUBLESHOOTING Page 9 1 TROUBLESHOOTING 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 292: ...Page 9 20 NOTES 5 101 bk Page 20 Friday March 17 2006 11 05 AM...
Страница 293: ...200 APPENDIX Page 10 1 APPENDIX 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Страница 295: ...200 APPENDIX Page 10 3 E7 LUBRICATION SYSTEM 5 101 bk Page 3 Friday March 17 2006 11 05 AM...
Страница 296: ...Page 10 4 200 APPENDIX E7 COOLING SYSTEM 5 101 bk Page 4 Friday March 17 2006 11 05 AM...
Страница 297: ...INDEX Page 11 1 INDEX INDEX FR5 Page 1 Friday March 17 2006 11 04 AM...
Страница 302: ...Page 11 6 NOTES INDEX FR5 Page 6 Friday March 17 2006 11 04 AM...
Страница 303: ...E7 ENGINE OVERHAUL PRINTED IN U S A ENGINE 5 101 MACK TRUCKS INC 1997...