Allis-Chalmers Model G Wartungshandbuch PDF herunterladen (Seite 17)

the screw should be turned in slowly until

surging is overcome. If the surge screw is

turned in too deeply, it will increase the

r.p.IX1oat which governor action takes place.

This increase would be from low idle to a

maximum of 700 r.p.m.

Governor Weight Assembly

Removal

Remove the timing gear cover and the gover-

nor thrust cup assembly. Remove the gover-

nor spider and weight assembly from the

timing gear.

Inspe-ction

The governor thrust cult assembly fits the

camshaft with from .OOZto .004" clearance.

It should be replaced if this·clearance -ex-

ceeds .OOS"or if-the cup is worn at the weight

riser contact surlace. Check the vent hole

in the camshaft behind the thrust cup shaft

and be sure it is clean and free of any foreign

material •. If this hole becomes plugged, the

governor wl1lbe inoperative due to the vacu-

um created behind the thrust cup shaft. Check

the governor weight for wear on the riser

and any wear at the hinge points. The assem-

bly should be replaced if the hinge pins are

worn more than .006" -

CYLINDER HEAD

Removal

Remove the hood and hood support, carbu-

retor air inlettube, air cleaner, instrument

panel, spark plug wire grommet holder !Uld

fan assembly. Drain the radiator and remove

the upper hose. Remove the balance of the

studs and nuts from the cylinder head.

Clean the carbon from the cylinder head and

check the head for leaks or cracks and scale

accUD1Ulation.

Assembly-

Install the head using a new gasket. Tighten

the stud to 55' pounds torsion following the

chart.

G - 16

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