SERVICE AND ADJUSTMENTS

TO REPLACE MOTION DRIVE BELT (See Fig. 28)

Park the tractor on level surface. Engage parking brake. For ease of service there is a belt installation guide decal on bottom of left footrest.

Remove mower (See “TO REMOVE MOWER” in this section of this manual.)

BELT REMOVAL -

Engage parking brake (creates slack in belt).

Remove belt from clutching and fan idler pulleys.

Loosen belt keeper above transaxle pulley.

Remove belt from transaxle pulley.

Remove belt from engine pulley and front V-idler pulley.

Pull belt out of all belt keepers and remove from tractor.

BELT INSTALLATION -

Place V part of belt into grooves on engine pulley and front V-idler, making sure to route belt inside of all belt keepers.

Route belt on right side, coming from V-idler, towards back of tractor, above midspan belt keeper and to top of transaxle pulley.

Route belt on left side, coming from engine pulley, towards back of tractor and through loop in midspan belt keeper.

Place V part of belt into grooves on transaxle and fan idler pulleys, making sure to route belt inside of all belt keepers.

Retighten belt keeper above transaxle pulley.

Place belt around clutching idlers as shown, making sure to route belt inside of all belt keepers.

Check to be sure belt is positioned correctly and is on proper side of all belt keepers.

Reinstall mower.

IMPORTANT: CHECK BRAKE ADJUSTMENT.

 

TRACTOR V-BELT DRIVE SCHEMATIC

 

VIEWED FROM L.H. SIDE OF TRACTOR

 

CLUTCHING

CLUTCH-

 

TRANSAXLE

 

ING IDLER BELT

PULLEY

 

FLAT IDLER

 

 

 

KEEPER

 

ENGINE

ABOVE BELT

 

 

 

KEEPER

 

 

 

PULLEY

 

 

 

 

 

 

 

 

V-IDLER

 

 

 

 

BELT

 

 

 

 

KEEPER

 

 

 

 

 

BELT

 

 

 

ENGINE

TWISTS

BELT

FAN

 

 

 

PULLEY

 

 

 

KEEPER

IDLER

 

V-IDLER

 

 

 

AS VIEWED FROM BOTTOM

 

 

FIG. 28

TO ADJUST MOTION CONTROL LEVER (See Fig. 29)

The motion control lever has been preset at the factory and adjustment should not be necessary.

If for any reason the motion control lever will not hold its position while at a selected speed, it may be adjusted at the friction pack located on the right side of chassis.

Park tractor on level surface. Stop tractor by turning ignition key to “OFF” position and engage parking brake.

Place motion control lever in neutral (N) position.

While holding locknut, loosen jam nut

Tighten locknut 1/4 turn.

While holding locknut, tighten jam nut securely.

NOTE: If for any reason the effort to move the motion control lever becomes too excessive, reverse the above adjustment procedure by loosening locknut 1/4 turn.

Road test tractor after adjustment and repeat procedure if necessary.

LOCKNUT

JAM

NUT

FIG. 29

TRANSMISSION REMOVAL/REPLACEMENT

Should your transmission require removal for service or replacement, it should be purged after reinstallation before operating the tractor. See “PURGE TRANSMISSION” in Operation section of this manual.

TO ADJUST STEERING WHEEL ALIGNMENT

If steering wheel crossbars are not horizontal (left to right) when wheels are positioned straight forward, remove steer- ing wheel and reassemble per instructions in the Assembly section of this manual.

FRONT WHEEL TOE-IN ADJUSTMENT

Front wheel toe-in is required for proper steering operation. Toe-in was set at the factory and adjustment should not be necessary. If parts in the front axle or steering mechanism have been replaced or damaged, check toe-in and adjust if necessary.

TO CHECK TOE-IN (See Fig. 30) -

Position front wheels straight ahead.

Measure distance between wheels at front and rear of tires (dimensions “A” and “B”).

Front dimension “A” should be 1/8" to 1/4" less than rear dimension “B”.

TO ADJUST TOE-IN (See Figs. 30 and 31) -

Loosen jam nuts at adjustment sleeves on tie rod.

Adjust tie rod until dimension “A” is 1/8" to 1/4" less than dimension “B”.

23 • Tighten jam nuts securely.

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Image 23
Husqvarna GTH2250 owner manual To Replace Motion Drive Belt See Fig, To Adjust Motion Control Lever See Fig