Speed Control Linkage And Adjustments--Standard System; Neutral Adjustment; Friction Adjustment; Speed Control Linkage And Adjustments-Separated System - Kohler K91 Owner's Manual

SPEED CONTROL LINKAGE AND
FRICTION ADJUSTMENT
ADJUSTMENTS Standard
System
any selected speed in either direction.
If
the lever
The speed control lever
is
friction loaded to hold
NEUTRAL ADJUSTMENT
does not remain where it is set during operation, fric-
tion may
be
increased by releasing the lock nut and
tightening the collar-friction adjustment (see Fig.
5).
Place the tractor on a level surface with the engine
This
i s
made
at
the
front of the seat.
running. Depress the brake pedal. The tractor should
not creep and the rear wheels should
be
effectively
locked. Some creeping on slopes is norma'l and cannot
be completely prevented.
If
the tractor creeps on a level surface while in
neutral, adjust as follows:
1. Block the rear wheels off the ground.
2.
Remove the access plate located in front of the
seat.
3.
With an allen wrench, loosen the set screws
in the arm (see Fig.
4).
4.
Depress the brake pedal and keep it depressed.
5.
Start the engine and disengage the parking
brake. Insert a short screwdriver through the
hole in the nylon cam and rotate
the
eccentric
FIG.
5.
Standard Control Lever Friction Adjustment
This
"usually" occurs at a point midway between
approximately six pounds of force at the handle
cam pin until the rear wheels stop turning.
The
proper amount of friction is obtained when
forward and backward wheel rotation.
moves the, control lever. Be sure to tighten the lock
The
lobe
On
the
eccentric
pin must
be
nut after proper tension
i s
achieved.
The
friction collar
up for proper operation.
is self lubricating and does not require lubrication.
the access plate.
SPEED ,CONTROL LINKAGE AND
6.
Retighten the set screw in the arm and replace
ADJUSTMENTS
Separated System
1973 18 HP AUTOMATIC
NEUTRAL ADJUSTMENT
An access hole
i s
provided in the right console panel
for the neutral adjustment
FIG.
6.
18
HP
Automatic Adjustments
FIG.
4.
Standard System Neutral Adjustment
If
the tractor creeps when in neutral, adjust as
follows:
1974
Models Only:
1.
Block the rear wheels off the ground.
After neutral has been adjusted, check to see
if
the
2.
Loosen the lock screw holding the eccentric
speed control rod is centered in the detent notch of
the detent spring.
This
spring
is
located on the hood
3.
Depress the brake pedal and keep
it
depressed
stand behind the belt guard.
The
spring incorporates during adjustment
slotted bolt holes so it may
be
adjusted as required
4.
Start the engine and run at half throttle. Dis-
to line up the neutral notch with the control rod. engage the parking brake. Insert a screwdriver
assembly (see Fig.
6).
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