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200 TROUBLESHOOTING
ENGINE WILL NOT CRANK
200766a
ENGINE CRANKS — WILL NOT START
200767a
Possible Cause
Correction
1. Batteries have low output.
1. Check the batteries. Charge or replace as required.
2. Loose or corroded battery connections.
2. Clean and tighten battery connections.
3. Broken or corroded wires.
3. Check voltage at the following connections:
— Switch to starter
— Battery to starter
Replace as required.
4. Faulty starter or starter solenoid.
4. Check operation of starter and solenoid. Repair as required.
5. Faulty key switch.
5. Replace key switch.
6. Internal seizure.
6. Bar the engine over one complete revolution. If the engine cannot
be turned, internal damage to the clutch is indicated. Disassemble
clutch or engine and repair as required.
Possible Cause
Correction
1. Slow cranking speed.
1. Check corrections listed in preceding section, ENGINE WILL NOT
CRANK.
2. Emergency shut-off valve closed or partially
closed.
2. Check emergency shut-off system. Make necessary repairs.
3. No fuel to engine.
3. Check for fuel in the fuel tank. Also check for plugged fuel tank
connections, restricted or kinked fuel suction lines, fuel transfer
pump failure, or clogged fuel filters.
4. Governor throttle shaft linkage binding/improper
setting of accelerator linkage.
4. Check throttle shaft and accelerator linkage. Repair as necessary.
5. Defective fuel transfer pump.
5. Check transfer pump for minimum output pressure. Change fuel
filters if low. Look for air leaks and recheck pressure. If still below
minimum, replace transfer pump.
6. Poor quality fuel or water in fuel.
6. Drain fuel from tank. Replace fuel filters and fill fuel tank with
MACK-specified diesel fuel.
7. Incorrect engine oil viscosity.
7. Drain oil. Replace oil filters and fill crankcase with recommended
grade oil.
8. Low compression.
8. Check cylinder compression. If low, refer to LOW COMPRESSION
in this section.
9. Injection pump-to-engine timing incorrect.
9. Check injection pump-to-engine timing. Setting is protected by
seals, and must be checked by an authorized MACK Fuel Injection
System Repair facility.
5-101.bk Page 2 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...