Poulan PO18H42STA User Manual - Page 21

Transaxle, Motion Control Lever, Neutral Adjustment See Fig. 25, To Replace Motion Drive Belt, See

Page 21 highlights

SERVICE AND ADJUSTMENTS TO CHECK BRAKE • Park tractor on a level, dry concrete or paved surface, depress clutch/brake pedal all the way down and engage parking brake. • Disengage transmission by placing freewhel control in "transmission disengaged" position. Pull freewheel control out and into the slot and release so it is held in the disengaged position. The rear wheels must lock and skid when you try to manually push the tractor forward. If the rear wheels rotate, the brake needs to be adjusted or the pads need to be replaced. TO ADJUST BRAKE • Depress clutch/brake pedal all the way down and engage parking brake. • Measure distance between brake operating arm and nut "A" on brake rod. • If distance is other than 1-9/16", loosen jam nut and turn nut "A" until distance becomes 1-9/16". Retighten jam nut against nut "A". • Engage transmission by placing freewheel control in "transmission engaged" position. • Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than five (5) feet in highest gear, further maintenance is necessary. Replace brake pads or contact a qualified service center. WITH PARKING BRAKE "ENGAGED" 1-9/16" NUT "A" JAM NUT • Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades. • Remove belt from center span keeper and pull belt away from tractor. BELT INSTALLATION • Carefully work new belt down around transmission cooling fan and onto the input pulley. • Slide belt into the center span keeper. • Pull belt toward front of tractor and roll around the top groove of engine pulley. • Install belt through stationary idler and clutching idler. • Make sure belt is in all pulley grooves and inside all belt guides and keepers. • Install mower (See "TO INSTALL MOWER" in this sec- tion of manual). ENGINE PULLEY CLUTCHING IDLER STATIONARY IDLER TRANSMISSION INPUT PULLEY CENTER SPAN KEEPER FIG. 24 TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT (See Fig. 25) OPERATING ARM The motion control lever has been preset at the factory and adjustment should not be necessary. • Loosen adjustment bolt in front of the right rear wheel, and lightly tighten. DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CON- • Start engine and move motion control lever until tractor does not move forward or backward. TACT YOUR NEAREST AUTHORIZED SERVICE CENTER/DEPARTMENT • Hold motion control lever in that position and turn engine off. FIG. 23 • While holding motion control lever in place, loosen the adjustment bolt. TO REPLACE MOTION DRIVE BELT (See Fig. 24) Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. • Move motion control lever to the neutral (N) (lock gate) position. • Tighten adjustment bolt securely. NOTE: If additional clearance is needed to get to adjustment bolt, move mower deck height to the lowest position. After above adjustment is made, if the tractor still creeps BELT REMOVAL - forward or backward while motion control lever is in neutral • Remove mower (See "TO REMOVE MOWER" in this position, follow these steps: section of manual). • Loosen the adjustment bolt. NOTE: Observe entire motion drive belt and position of all • Move the motion control lever 1/4 to 1/2 inch in the belt guides and keepers. direction it is trying to creep. • Remove belt from stationary idler and clutching idler. • Remove belt downward from around engine pulley. • Tighten adjustment bolt securely. • Start engine and test. • If tractor still creeps, repeat above steps until satis- fied. 21

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21
SERVICE AND ADJUSTMENTS
FIG. 23
TRANSAXLE
MOTION CONTROL LEVER
NEUTRAL ADJUSTMENT (See Fig. 25)
The motion control lever has been preset at the factory and
adjustment should not be necessary.
Loosen adjustment bolt in front of the right rear wheel,
and lightly tighten.
Start engine and move motion control lever until tractor
does not move forward or backward.
Hold motion control lever in that position and turn engine
off.
While holding motion control lever in place, loosen the
adjustment bolt.
Move motion control lever to the neutral (N) (lock gate)
position.
Tighten adjustment bolt securely.
NOTE:
If additional clearance is needed to get to adjustment
bolt, move mower deck height to the lowest position.
After above adjustment is made, if the tractor still creeps
forward or backward while motion control lever is in neutral
position, follow these steps:
Loosen the adjustment bolt.
Move the motion control lever 1/4
to 1/2 inch in the
direction it is trying to creep.
Tighten adjustment bolt securely.
Start engine and test.
If tractor still creeps, repeat above steps until satis-
fied.
TO REPLACE MOTION DRIVE BELT
(See Fig. 24)
Park the tractor on level surface.
Engage parking brake.
For assistance, there is a belt installation guide decal on
bottom side of left footrest.
BELT REMOVAL -
Remove mower (See “TO REMOVE MOWER” in this
section of
manual).
NOTE:
Observe entire motion drive belt and position of all
belt guides and keepers.
Remove belt from stationary idler and clutching idler.
Remove belt downward from around engine pulley.
ENGINE
PULLEY
CLUTCHING
IDLER
STA
TIONARY
IDLER
TRANSMISSION
INPUT PULLEY
CENTER SPAN
KEEPER
FIG. 24
WITH PARKING BRAKE “ENGAGED”
JAM NUT
DO NOT TOUCH THIS NUT.
IF FURTHER
BRAKE ADJUSTMENT IS NECESSARY CON-
TACT YOUR NEAREST AUTHORIZED SERVICE
CENTER/DEPARTMENT
OPERATING
ARM
NUT “A”
1-9/16”
TO CHECK BRAKE
Park tractor on a level, dry concrete or paved surface,
depress clutch/brake pedal all the way down and en-
gage parking brake.
Disengage transmission by placing freewhel control
in “transmission disengaged” position. Pull freewheel
control out and into the slot and release so it is held in
the disengaged position.
The rear wheels must lock and skid when you try to manually
push the tractor forward. If the rear wheels rotate, the brake
needs to be adjusted or the pads need to be replaced.
TO ADJUST BRAKE
Depress clutch/brake pedal all the way down and en-
gage parking brake.
Measure distance between brake operating arm and
nut “A” on brake rod.
If distance is other than 1-9/16", loosen jam nut and
turn nut “A” until distance becomes 1-9/16".
Retighten
jam nut against nut “A”.
Engage transmission by placing freewheel control in
“transmission engaged” position.
Road test tractor for proper stopping distance as stated
above.
Readjust if necessary.
If stopping distance is
still greater than five (5) feet in highest gear, further
maintenance is necessary.
Replace brake pads or
contact a qualified service center.
Pull belt slack toward rear of tractor.
Carefully remove
belt upwards from transmission input pulley and over
cooling fan blades.
Remove belt from center span keeper and pull belt
away from tractor.
BELT INSTALLATION -
Carefully work new belt down around transmission
cooling fan and onto the input pulley.
Slide belt into the center span keeper.
Pull belt toward front of tractor and roll around the top
groove of engine pulley.
Install belt through stationary idler and clutching
idler.
Make sure belt is in all pulley grooves and inside all
belt guides and keepers.
Install mower (See “TO INSTALL MOWER” in this sec-
tion of manual).