Mitsubishi S4Q, User Manual

Page: 99 / 174

99 / 174 Service Manual Mitsubishi SQ-Series diesel engines
Version 08/2004
FUEL INJECTION TIMING CHECK
ENGLISH
FUEL SYSTEM
3. Adjusting injection timing
1) If the injection timing is retarded, move the
injection pump toward the crankcase. If the
timing is advanced, move the pump away
from the crankcase.
2) One graduation of the scale on the injection
pump coupling changes the timing by 6° in
terms of crank angle.
Figure 166 Adjusting injection timing (1)
To advance injection
timing
To retard
injection
timing
Figure 167 Adjusting injection timing (2)