Injection Timing Adjustment - Doosan DB33A Service Manual

Injection timing adjustment

1. Adjust fuel injection timing with crank pulley
notched line and timing pointer.
Adjust the timing pointer with the marking on the
pulley.
Disconnect the inj. pipes (4pieces) from I/P
2. Remove 2 fixing bolts of timing flange and injection
pump.
Remove bolt located at the center.
Insert the dial gauge to check the plunger lift.
3.Turn the timing flange to adjust the plunger lift to
0.3mm.
13
TDC