12A-997A795 MTD lawn mower

User Manual - Page 12

For 12A-997A795.

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The front wheel cutting height is determined by
selecting one of six positions on each caster assembly.
To adjust front cutting height, proceed as follows:
Remove the wing nut from the axle bolt. See Figure
13. Slide the axle bolt and spring washer from the
assembly and select a cutting height.
With the spring washer on the axle bolt, reinsert
hardware in the square hole desired through the
wheel assembly and secure with the wing nut
previously removed.
IMPORTANT: All wheels must be placed in the same
relative position. For rough or uneven lawns, raise the
cutting height of your mower.
Caster Caster
Lock Lock
Pin Pin
/
Front
Wheel
Wing Nut Axle Bolt,
Front/4 Spring
Wheel Washer
Square Hole
(indicates
various cutting
he ghts)
Figure 13
CasterLockAdjustment
The casters can be locked in a straight ahead position
or position to swivel freely. See Figure 13.
Lift and place the lock pins in the larger holes to
lock the wheels for straight ahead operation.
Place pins in smaller holes to allow casters to rotate
freely for turning.
DriveClutchControl
The adjustment wheel is located in the drive clutch
control handle housing and is used to tighten or loosen
the drive belt. You will have to adjust the drive clutch
control if, with the drive clutch engaged, the mower
either does not self-propel or hesitate.
To resolve the above problems, rotate the
adjustment wheel with your fingers: clockwise to
tighten the cable and counter-clockwise to loosen
the cable. See Figure 14.
NOTE: For some operators, the drive clutch control
may not be in a comfortable position. You can adjust
the handle out by tightening the adjustment wheel.
Bottom View
®
Jpper
Adjustment Handle
Shift Lever D Clutch
Control
Figure 14
Shift LeverCable
Periodic adjustment of the six speed shift cable may be
necessary due to normal wear on the cable. Adjustment
is needed if all six speeds do not work.
The adjustable cable bracket is located on the left side
of the mower beside the engine. See Figure 15.
Adjustable Cable
Bracket
Hex Nut
PUSH
Figure 15
Start engine and place shift lever in the sixth speed
position. Stop engine and disconnect spark plug
wire and ground it against engine.
Loosen hex nut which secures the adjustable cable
bracket. See Figure 15.
Push back on the adjustable cable bracket and
tighten hex nut.
EngineAdjustments
Refer to the engine manufacturer's manual at the end
of this manual for these adjustments.
12
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