Brake / Traction Adjusment

Setup & Adjustments

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

O.P. LEVER
HANDLE	THUMB LATCH
HANDLE
TRACTION
LEVER
3/16" to 1/4" CLEARANCE

Figure 3

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.

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.

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.

AUXILIARYBLADEDRIVEBELT (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.

W4815, W3613, W3213, W4815, WG4815P, WG4815P, W3213 specifications

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