Service and adjustments – Poulan 188781 User Manual
Page 23
 
23
SERVICE AND ADJUSTMENTS
TO REMOVE WHEEL FOR REPAIRS 
(See Fig. 26)
• Block up axle securely.
• Remove axle cover, retaining ring and washers to allow 
wheel removal (rear wheel contains a square key - Do 
not lose).
• Repair tire and reassemble.
• On rear wheels only: align grooves in rear wheel hub 
and axle. Insert square key.
• Replace washers and snap retaining ring securely in
axle groove.
• Replace axle cover.
NOTE: To seal tire punctures and prevent fl at tires due to 
slow leaks, tire sealant may be purchased from your local 
parts dealer. Tire sealant also prevents tire dry rot and 
corrosion.
FIG. 26
RE TAIN ING 
RING
WASH ERS
SQUARE KEY 
(REAR WHEEL ONLY)
AXLE COVER
ADJUSTMENT 
BOLT
FIG. 25
NEUTRAL 
LOCK GATE
MOTION CONTROL 
LEVER
TRANSAXLE MOTION CONTROL LE
VER
NEUTRAL ADJUSTMENT (See Fig. 25)
The motion control lever has been pre set 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 ad just ment 
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-
fi ed.
TRANSMISSION REMOVAL/REPLACEMENT
Should your transmission require removal for service or 
replacement, it should be purged after reinstallation and 
before operating the tractor. See “PURGE TRANS MIS SION” 
in the Operation section of this manual.
TO AD
JUST STEER
ING WHEEL ALIGN-
MENT
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/CAMBER
The front wheel toe-in and camber are not adjustable on 
your tractor. If damage has occurred to affect the front 
wheel toe-in or camber, contact your nearest authorized 
service center/department. 
FIG. 24
ENGINE 
PULLEY
CLUTCHING 
IDLER
STA TION ARY 
IDLER
TRANS MIS SION 
INPUT PULLEY
CENTER SPAN
KEEPER