Doosan DB33A, Руководство по обслуживанию, Страница: 16 / 78

12
Adjust the clearances of valves marked with an
arrow
After adjusting the valve clearances referring to the
drawing, turn the crankshaft one full turn in the
rotative direction and align the TDC mark with the
pointer, then adjust the remaining valve clearances.
1.6.3. Injection Timing
Inspection
Check the notched line on the crankshaft pulley and
timing pointer are aligned.
Remove the inspection hole cover at the front of gear
case cover.
Check the alignment between the notched line on the
camshaft gear and the arrow mark of gear case cover.
Setting Timing (BTDC)
Engine : 13
¡˘
BTDC
I/P : Plunger Lift 0.3mm
(.0118 in)
Rocker arm screw 2.5
lock nut torque (kg
ƒU
m) (18.1 lb
¡⁄
ft)
Check the notched line on the injection pump is in
alignment with the notched line on the timing gear
cover.
Check the alignment of the notched lines injection
pump and bracket.
TDC
Arrow mark
Notched line
Arrow mark
Notched line
Notched line