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Section 121—Adjustments
11
STEERING GEAR TUBE
OIL LEVEL PLUG
SECTOR SHAFT HOUSING
STEERING GEAR HOUSING
PITMAN
ARM—+,
3
RM-598
Fig. I—Steering Gear Assembly
Remove the four cap screws that secure the sector shaft bearing
housing to the steering gear housing, and turn the sector shaft bear-
ing housing and its metal gasket counterclockwise (as viewed from
the left side of the tractor) to the next set of notching holes. Replace
and tighten the four cap screws.
Check the effect of the adjustment by measuring the force required
to turn the steering wheel through the straight ahead position, with
the pitman arms parallel. This measurement is taken with a spring
scale as described above. Two to three pounds should be required to
maintain the steering wheel in motion through the straight ahead
position.
It is usually necessary to adjust the right sector if the left has been
moved, Proceed as instructed for the left sector, except that the right
sector shaft bearing housing must be turned in a clockwise direction,
as viewed from the right side of the tractor, to remove excessive back-
lash, 214 to 6 pounds should be required to maintain the steering gear
in motion through the straight ahead position after both right and
left sectors have been adjusted.
122. DISASSEMBLY.
To disassemble the steering gear, remove the nut that secures each
pitman arm to the sector shafts. Remove
each pitman arm with a
puller. Remove
the four cap screws that secure each sector shaft
housing to the steering gear housing. Lift each sector shaft housing,
thrust washer, gasket, and sector shaft from the steering gear hous-
3730-473
§ 122.
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