Poulan 179419 owner manual To Replace Mower Blade Drive Belt See Fig, To Adjust Brake See Fig

SERVICE AND ADJUSTMENTS

TO REPLACE MOWER BLADE DRIVE BELT (See Fig. 25)

Park the tractor on level surface. Engage parking brake.

•Remove mower drive belt (See “TO REPLACE MOWER DRIVE BELT” in this section of this manual).

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

•Remove screws from L.H. mandrel cover and remove cover.

•Carefully roll belt off L.H. mandrel pulley.

•Remove belt from center mandrel pulley, idler pulley, and R.H. mandrel pulley.

•Remove any dirt or grass which may have accumulated around mandrels and entire upper deck surface.

•Check secondary idler arm and idler pulley to see that they rotate freely.

•Be sure spring is hooked in secondary idler arm and secondary spring arm.

•Install new belt in lower groove of R.H. mandrel pulley, idler pulley, and center mandrel pulley as shown.

•Carefully roll belt over L.H. mandrel pulley. Make sure belt is in all grooves properly.

•Reinstall L.H. mandrel cover.

•Reinstall mower to tractor (See “INSTALL MOWER AND DRIVE BELT” in the Assembly section of this manual).

•Reassemble mower drive belt (See “TO REPLACE MOWER DRIVE BELT” in this section of this manual).

SECONDARY	IDLER	SECONDARY
IDLER ARM	PULLEY
		SPRING ARM
L.H.
	SPRING
MANDREL
		CENTER
		MANDREL
		R.H.
		MANDREL
		COVER

FIG. 25

TO ADJUST BRAKE (See Fig. 26)

Your tractor is equipped with an adjustable brake system which is mounted on the side of the transaxle.

If tractor requires more than six (6) feet stopping distance at high speed in highest gear on a level dry concrete or paved surface, then brake must be adjusted.

•Depress clutch/brake pedal and engage parking brake.

•Measure distance between brake operating arm and nut “A” on brake rod.

•If distance is other than 1-3/4", loosen jam nut and turn nut “A” until distance becomes 1-3/4". Retighten jam nut against nut “A”.

•Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest au- thorized service center/department.

WITH PARKING BRAKE “ENGAGED”

1-3/4" NUT “A”

JAM NUT

OPERATING

ARM

DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAR- EST AUTHORIZED SERVICE CENTER/DEPARTMENT

FIG. 26

TO REPLACE MOTION DRIVE BELT (See Fig. 27)

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

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

•Disconnect clutch wire harness.

•Remove clutch locator.

•Remove belt from stationary idler and clutching idler.

•Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades.

•Pull belt toward front of tractor and remove downwards from around electric clutch.

•Install new belt by reversing above procedure.

ELECTRIC	CLUTCH LOCATOR
CLUTCH

CLUTCHING

IDLER

STATIONARY

IDLER

TRANSMISSION

INPUT PULLEYCLUTCH WIRE HARNESS

FIG. 27

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