ENGINE REPAIR 6A-3
ENGINE DIAGNOSIS
(ONL(ONL
(ONL(ONL
(ONL
Y MECHANICAL INJECTION ENGINE)Y MECHANICAL INJECTION ENGINE)
Y MECHANICAL INJECTION ENGINE)Y MECHANICAL INJECTION ENGINE)
Y MECHANICAL INJECTION ENGINE)
Main running anomalies of engine with mechanical injection pump:
1.- Engine does not start.
2.- Engine overheats excessively
3.- Engine underpower
4.- Engine lets out black fumes or dark grey
5.- Engine lets out grey fumes (whitish)
6.- Engine lets out blue fumes
ENGINE DOES NOT START
Efficient terminals from battery.
Clean, check, tighten battery terminals nuts.
Efficient battery.
Efficient starting motor.
Checks as described at the SERVICE MANUAL
under "Electric System ".
Checks as described at the SERVICE MANUAL
under "Electric System ".
Efficient thermo start.
All right injection pump setting.
Correct, substitute.
Check injection pump setting (see 6A-33).
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YES

1
Normal running of the injection pump.
Control and replace if necessary.
(Next)
ª
- NO
îš„
- NO
îš„
- NO
îš„
- NO
îš„
- NO
îš„
- NO
îš„
7.- Engine subject to abnormal knockings
8.- Engine stops
9.- Engine exceeds the maximum allowed rpm
10.- Excessive or insufficient oil pressure
11.- Excessive fuel consumption
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YES

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YES

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YES

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YES

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