Page 2-18
200 SPECIFICATIONS
PISTON (CONT.)
Ring groove service limit over 0.120 inch pins (3.048 mm)
Top groove
4.912 in.
124.765 mm
PISTON RINGS
Piston ring end gap — when checked in 4.875 gauge diameter
Compression rings — No. 349GC3101
0.016–0.028 in.
0.406–0.711 mm
Compression rings — No. 349GC3102
0.013–0.025 in.
0.330–0.635 mm
Oil control ring — No. 350GC340
0.013–0.028 in.
0.330–0.711 mm
Piston ring side clearance (new)
0.0016–0.0030 in.
0.0406–0.0762 mm
Piston ring side clearance (used)
Maximum 0.0045 in.
Maximum 0.1143 mm
NOTE: Refer to MACK branch or distributor for specifications for piston ring part numbers not listed above.
NOTE: For every 0.001 in. (0.0254 mm) increase in gauge diameter, ring gap will increase by 0.003 in. (0.076 mm).
ROCKER ARM
Ratio
1.5:1
Hole ID
1.1306–1.1326 in.
28.7172–28.7680 mm
Hole-to-shaft clearance
0.004–0.0015 in.
0.1016–0.0381 mm
Shaft OD
1.1286–1.1291 in.
28.6664–28.6791 mm
Push rod overall length — intake and non-brake exhaust (flat to
cup top)
15.751–15.813 in.
400.075–401.650 mm
Push rod overall length — exhaust w/Dynatard (flat to flat)
16.353–16.388 in.
415.366–416.255 mm
TIMING GEAR COVER
Dowel Pins
Holes in cylinder block (both)
0.4987–0.4997 in.
12.6670–12.6924 mm
Hole in timing gear cover — RH for round pin
0.5005–0.5012 in.
12.7127–12.7305 mm
— LH for diamond pin
0.5577–0.5584 in.
14.1656–14.1834 mm
Pin OD
— RH for round pin
0.5001–0.5003 in.
12.7025–12.7076 mm
— LH for diamond pin, cylinder block end
0.5001–0.5003 in.
12.7025–12.7076 mm
— LH for diamond pin, timing cover end
0.5570–0.5575 in.
14.1478–14.1605 mm
Crankshaft seal mounting bore
3.9995–4.0025 in.
101.5873–101.6635 mm
Seal square to hub
0.010 in.
0.254 mm
Seal mounting bore-to-crank runout
0.015 in. T.I.R.*
0.381 mm*
Hydraulic steering pump mounting bore
3.2525–3.2545 in.
82.6135–82.6643 mm
* Must be held relative to main bearing bores. Check runout with an alignment bar installed through the cylinder block main
bearing bores.
TIMING GEAR
Backlash — injection pump drive gear to injection pump
driven gear
0.0025–0.0095 in.
0.0635–0.2413 mm
— all other gears
0.0013–0.0108 in.
0.0330–0.2743 mm
Fits and Limits (Cont.)
Component
Standard Size or Fit
English
Metric
5-101.bk Page 18 Friday, March 17, 2006 11:05 AM
Summary of Contents for E7
Page 1: ...E7 ENGINE OVERHAUL AUGUST 1997 ENGINE 5 101...
Page 2: ...Page 0 front fr5 Page 0 Friday March 17 2006 11 04 AM...
Page 5: ...E7ENGINE OVERHAUL MARCH 2006 2 5M REP AUGUST 1997 10M MACK TRUCKS INC 1997 ENGINE 5 101...
Page 13: ...ABOUT THIS MANUAL Page ix ABOUT THIS MANUAL front fr5 Page ix Friday March 17 2006 11 04 AM...
Page 15: ...TABLE OF CONTENTS Page xi TABLE OF CONTENTS front fr5 Page xi Friday March 17 2006 11 04 AM...
Page 24: ...Page xx NOTES front fr5 Page xx Friday March 17 2006 11 04 AM...
Page 31: ...200 SPECIFICATIONS Page 2 1 SPECIFICATIONS 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 55: ...200 ENGINE REMOVAL Page 3 1 ENGINE REMOVAL 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 58: ...Page 3 4 NOTES 5 101 bk Page 4 Friday March 17 2006 11 05 AM...
Page 90: ...Page 4 32 NOTES 5 101 bk Page 32 Friday March 17 2006 11 05 AM...
Page 91: ...200 BENCH PROCEDURES Page 5 1 BENCH PROCEDURES 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 158: ...Page 5 68 NOTES 5 101 bk Page 68 Friday March 17 2006 11 05 AM...
Page 159: ...200 ENGINE ASSEMBLY Page 6 1 ENGINE ASSEMBLY 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 240: ...Page 6 82 NOTES 5 101 bk Page 82 Friday March 17 2006 11 05 AM...
Page 272: ...Page 8 10 NOTES 5 101 bk Page 10 Friday March 17 2006 11 05 AM...
Page 273: ...200 TROUBLESHOOTING Page 9 1 TROUBLESHOOTING 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 292: ...Page 9 20 NOTES 5 101 bk Page 20 Friday March 17 2006 11 05 AM...
Page 293: ...200 APPENDIX Page 10 1 APPENDIX 5 101 bk Page 1 Friday March 17 2006 11 05 AM...
Page 295: ...200 APPENDIX Page 10 3 E7 LUBRICATION SYSTEM 5 101 bk Page 3 Friday March 17 2006 11 05 AM...
Page 296: ...Page 10 4 200 APPENDIX E7 COOLING SYSTEM 5 101 bk Page 4 Friday March 17 2006 11 05 AM...
Page 297: ...INDEX Page 11 1 INDEX INDEX FR5 Page 1 Friday March 17 2006 11 04 AM...
Page 302: ...Page 11 6 NOTES INDEX FR5 Page 6 Friday March 17 2006 11 04 AM...
Page 303: ...E7 ENGINE OVERHAUL PRINTED IN U S A ENGINE 5 101 MACK TRUCKS INC 1997...