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8
BRAKE / TRACTION ADJUSMENT
1. Disconnect the brake linkage from the brake band
arm.
2. With the mower in gear, place the traction levers in
the drive position. Firmly pull back on the handles
until the tires slide to seat the wheel drive belts into
the pulleys.
3. Measure the clearance between the bottom of the
traction lever rod and the bottom of the thumb latch
slot. It should be between 3/16" to 1/4", but not
exceeding 1/4". See Figure # 3
4. If the clearance is less than 3/16", disconnect the
traction rod from the traction lever by removing the
hairpin cotter.
5. Adjust the traction rod to the proper clearance by
screwing it out of the swivel if clearance is less than
3/16".
NOTE:
More or less brake pressure may be desired depend-
ing on the operator or conditions of operation. To
increase pressure tighten the wing nut on the brake
linkage.
Setup & Adjustments
HANDLE
TRACTION
LEVER
THUMB LATCH
3/16" to 1/4" CLEARANCE
O.P. LEVER
OPERATOR PRESENCE SWITCH ADJUSTMENT
The operator presence switches can be adjusted by
loosening the screws on the side of the O.P. lever
linkage and sliding the switch up or down. The O.P.
switch should have a 1/32" to 1/16" gap between the
plunger and the bottom side of the control panel when
operator presence levers are released.
BLADE SWITCH ADJUSTMENT
The blade engagement switch can be adjusted by
loosening the screws on the flange under the control
panel and moving the switch in or out. The blade
switch should be adjusted so the plunger is fully
depressed when the engagement lever is fully disen-
gaged.
ADJUSTMENTS - DRIVE BELTS
For all drive belts, tension should be set so that belt
vibration is minimized or eliminated when belts are
moving during normal operation. A properly tensioned
belt should have 1/4" to 3/8" deflection at the center of
belt span between pulleys when blades are engaged.
Blade drive belt tension is preset at the factory.
NOTE:
DO NOT over tighten belt. Excessive tension will
decrease belt and spindle bearing life.
BLADE DRIVE BELT ADJUSTMENTS
WARNING
BEFORE PERFORMING ADJUSTMENTS ON
BLADE BELT, TURN MOWER OFF, CLOSE FUEL
VALVE, AND DISCONNECT SPARK PLUG WIRE.
1. Remove front deck belt shield.
2. Loosen whiz nut on turnbuckle.
3. Set belt tension when engagement lever is in the
engaged position.
4. To increase belt tension rotate turnbuckle toward
the rear of the mower until desired tension is gained.
Do not over tighten belts, to much tension will reduce
belt and spindle bearing life. See figure # 6
5. Tighten whiz nut on turnbuckle and install belt
shield.
Figure 3
AUXILIARY BLADE DRIVE BELT
(48" MODELS ONLY)
To adjust tension of the auxiliary belt rotate nut on
linkage that is attached to deck strap located on the right
side of cutter deck.