Poulan 177110 - Manual (Page 22)

22
TO ADJUST STEERING WHEEL ALIGN-
MENT
If steering wheel crossbars are not
horizontal (left to right) when wheels are
positioned straight forward, remove
steering wheel and reassemble per
instructions in the Assembly section of
this manual.
TO ADJUST BRAKE
Your tractor is equipped with an adjust-
able brake system which is mounted on
the right side of the transaxle.
If tractor requires more than six (6) feet
stopping distance at high speed in
highest gear, then brake must be ad-
justed.
• 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 1-1/2", loosen
jam nut and turn nut “A” until distance
becomes 1-1/2". 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 authorized
service center/department.
1-1/2"
Jam Nut
With Parking Brake “Engaged”
Operating
Arm
Nut “A”
TO REPLACE MOWER BLADE DRIVE
BELT
The mower blade drive belt may be
replaced without tools. Park the tractor on
level surface. Engage parking brake.
BELT REMOVAL -
• Remove mower from tractor (See “TO
REMOVE MOWER” in this section of
this manual).
• Work belt off both mandrel pulleys and
idler pulleys.
• Pull belt away from mower.
BELT INSTALLATION -
• Install new belt in reverse order of
removal.
• Make sure belt is in all pulley grooves
and inside all belt guides.
• Install mower in reverse order of
removal instructions.
38 38 42 42
Mandrel
Pulley
Mandrel
Pulley
Idler Pulleys
Transaxle
Pulley
Stationary Idler
Clutching Idler
Engine Pulley
TO REPLACE MOTION DRIVE BELT
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.)
• Remove belt from stationary idler and
clutching idler.
• Pull belt slack toward rear of tractor.
Remove belt upwards from transaxle
pulley by deflecting belt keepers.
• Pull belt toward front of tractor and
remove downwards from around
engine pulley.
• Install new belt by reversing above
procedure.
27
Loss of power • Cutting too much grass/too • Set in “Higher Cut” position/
fast. reduce speed.
• Throttle in “CHOKE” • Adjust throttle control.
position.
• Build-up of grass, leaves • Clean underside of mower
and trash under mower. housing.
• Dirty air filter. • Clean/replace air filter.
• Low oil level/dirty oil. • Check oil level/change oil.
• Faulty spark plug. • Clean and regap or change
spark plug.
• Dirty fuel filter. • Replace fuel filter.
• Stale or dirty fuel. • Drain fuel tank and refill with
fresh gasoline.
• Water in fuel. • Drain fuel tank and carbure-
tor, refill tank with fresh
gasoline and replace fuel
filter.
• Spark plug wire loose. • Connect and tighten spark
plug wire.
• Dirty engine air screen/fins. • Clean engine air screen/fins.
• Dirty/clogged muffler. • Clean/replace muffler.
• Loose or damaged wiring. • Check all wiring.
• Carburetor out of • See “To Adjust Carburetor”
adjustment. in Service Adjustments
section.
• Engine valves out of • Contact an authorized
adjustment. service center/department.
Excessive • Worn, bent or loose blade. • Replace blade.
vibration Tighten blade bolt.
• Bent blade mandrel. • Replace blade mandrel.
• Loose/damaged part(s). • Tighten loose part(s).
Replace damaged parts.
Engine continues • Faulty operator-safety • Check wiring, switches and
to run presence control system. connections. If not corrected,
when operator contact an authorized
leaves seat with service center/department.
with attachment
clutch engaged
Poor cut - uneven • Worn, bent or loose blade. • Replace blade. Tighten
blade bolt.
• Mower deck not level. • Level mower deck.
• Buildup of grass, leaves, • Clean underside of mower
and trash under mower. housing.
• Bent blade mandrel. • Replace blade mandrel.
• Clogged mower deck vent • Clean around mandrels to
holes from buildup of open vent holes.
grass, leaves, and trash
around mandrels.
PROBLEM CAUSE CORRECTION
TROUBLESHOOTING CHART