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Maintenance: Fuel System
Checking fuel control
Fuel control link joints inspection
Check the ball joints for play. If there is more than
0.1 mm [0.004in.] play, replace the ball joints with
new ones.
WARNING! In case of a control link having ball
joints that is an integral part of the link, change
the link as an assembly.
Injection pump control rack operation
Move the stop lever back and forth a few times and
find out if the control rack can be operated smoothly.
WARNING! If the rack sticks this must be fixed
before starting the engine.
WARNING! Never try to control the engine rpm
by moving the manual stop control leaver in the
opposite direction of the arrow. This casn result
in serius harm of the installation.
Adjusting fuel injection timing
1. Make sure the timing mark (indicated on the cau-
tion plate) is aligned with the pointer, with the pis-
ton for the cylinder at top dead center on com-
pression stroke.
2. Loosen the bolts(3) for the fuel injection pump
coupling.
3. Turn the fuel pump flywheel until the timing
mark(1) on the flywheel aligns with the pointer(2)
on the fuel injection pump.
4. Tighten the one nut for fuel injection pump coup-
ling. Turn the engine to tighten the other side nut.
5. Turn the engine (two turns) to recheck the injec-
tion timing for verification.
Plus d'informations sur : www.dbmoteurs.fr
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