WEICHAI WD10 - Check and Adjust Fuel Supply Advance Angle

24
1.9 Adjustment of Fuel Supply Advance Angle
Torque wrench, 18# open-ended wrench, auxiliary material
：
242 thread
sealant
Operation as follows
：
● Turn the ywheel until the pistons of 1st and 6th cylinders reach the
top dead center.
● Counterclockwise turn the flywheel to the scale required before
pistons reach the top dead center.
● Loosen 12 MM hexagon bolts of the coupling.
● Rotate camshaft of fuel pump (rotate more rounds) to deate air
from fuel pump.
● Observe fuel level of fuel outlet valve seat of 1st cylinder: once the
fuel level raises, stop rotating the camshaft. Here is the position of the
camshaft when the fuel pump supplying fuel for 1st cylinder.
● Lock angle adjustment plate to meet the torque requirement.
Operating requirements:
※
Turning direction of the flywheel should be same as that of
crankshaft of engine.
※
Accurately judge the moving position of the piston of 1st cylinder.