Adjusting Injection Timing - Doosan DP158L Series Operation & Maintenance Manual

4. Regular inspection
Engine Model
DP158LCS
DP158LCF
DP158L
DP158LDS
DP158LDF
DP180LBS
DP180LBF
DP180L
DP180LAS
DP180LAF
DP222LAS
DP222LBS
DP222L DP222LBF
DP222LCS
DP222LCF

Adjusting injection timing

Injection Timing
If upper pre-checked injection timing degree is wrong, follow
(°)
as below.
1. Loosen the fixing bolts(M8) of the injection pump driving
23° ± 1°
18° ± 1°
23° ± 1°
18° ± 1°
21° ± 1°
19° ± 1°
21° ± 1°
19° ± 1°
21° ± 1°
21° ± 1°
19° ± 1°
2. Turn the crank pulley clockwise until V-groove of the
21° ± 1°
19° ± 1°
3. Coincide the mark on pointer provided in injection pump
4. Tighten the bolt(M8) to specified torque, (2.2 kgf·m) not
5. After confirmation that fastening bolts are completely
58
gear in order to adjust the injection timing slightly.
flywheel housing sight hole is aligned with the injection
timing degree of the engine.
with the matching mark(FB) on the flange surface of the
drive gear by turning the flange in the oblonog holes of
the drive gear.
to move the drive gear.
tightened check the start point (injection timing degree) of
fuel delivery setting once more if not right repeat it again
as same as upper way.
DV2213028A