Poulan 179075 owner manual To Adjust Brake See Fig, To Replace Mower Blade Drive Belt See Fig

SERVICE AND ADJUSTMENTS

•Carefully check belt routing making sure belt is in the grooves correctly.

•Reconnect R.H. suspension arm to rear deck bracket with retainer spring.

•Reassemble R.H. mandrel cover.

•Engage belt tension rod by pushing rod into locking bracket.

L.H.	SECONDARY
MANDREL	IDLER ARM
	SPRING	SECONDARY
		SPRING ARM

BELT	RH
TENSION ROD
	SUSPENSION
(DISENGAGED
POSITION)	ARM

IDLER

PULLEY

SPRING

ARM

PRIMARY

IDLER ARM

R.H.

MANDREL

RH MANDREL COVER

ELECTRIC

CLUTCH

PULLEY

IDLER

PULLEY

IDLER

PULLEY

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.

FIG. 24

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).

22

• 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 NEAREST

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.)