of the flywheel and is the mating gear for the starting
motor. The flywheel maintains even crankshaft speed
and with the engine starter, provides a method of
Overheating to temperature above
400o F. will soften the gear.
starting the engine.
(3) Inspect flywheel housing for cracks and
other damage. Replace a damaged flywheel housing.
(2) Remove the muffler and air cleaner
(3) Remove the hoods, side panels, and tie
Remove all old gasket material from
rods (Operator's Manual).
the flywheel housing and end plate
(4) Remove the starter (Operator's Manual).
before installing a new gasket and
Remove the power takeoff assembly
e. Reassembly. Reassemble the flywheel and
flywheel housing in the reverse of the numerical
tachometer, overspeed governor, throttle control and
linkage from the flywheel housing. (Operator's Manual.)
flywheel housing. Follow the bolt tightening illustrations,
(9) Remove the two bolts securing the
engine lifter bracket to the cylinder head.
flywheel. Refer to para 4 for torque data.
Use indicator and check the flywheel
Disassemble the flywheel
housing in the numerical sequence as illustration on
(a) Adjust each dial indicator to read zero at the
twelve o'clock position. Then rotate the crankshaft one
d. Cleaning, Inspection, and Repair.
full revolution, taking readings at 45 intervals (8
(1) Clean all parts with an approved cleaning
readings each of the flywheel housing bore and bolting
solvent and dry thoroughly.
flange face). Stop and remove the wrench or cranking
(2) Inspect ring gear for broken or cracked
bar before recording each reading to ensure. Accuracy.
teeth. If replacement is necessary, remove gear from
The maximum total indicator reading must not exceed
flywheel with a blunt chisel. Install a new ring gear by
.013 inch for either the bore or face.
heating to expand it and pressing it onto the flywheel.
(4) Remove the bolts holding the lifter
bracket to the flywheel housing. Install a new gasket to
the bracket, then alternately tighten the bracket to the
flywheel housing and bracket to cylinder head bolts, thus