Poulan 168737 Manuel d'utilisateur télécharger pdf (Page 16)

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TIRES

® ivlaintain proper air pressure in all tires (See “PROD

UCT SPtCIFICATIONS” section of this manual).

• Keep tires free of gasoline, oil, or insect control chemi

cals which can harm rubber.

® Avoid stumps, stones, deep ruts, sharp objects and

other hazards that may cause tire damage.

NOTE: To seal tire punctures and prevent flat tires due to

slow leaks, tire sealant may be purchased from your local

parts dealer. Tire sealant also prevents tire dry rot and

corrosion.

OPERATOR PRESENCE SYSTEM

Be sure operator presence and interlock systems are

working properly, if your tractor does not function as

described, repair the problem immediately.

• The engine should not start unless the clutch/brake

pedal is fully depressed and attachement clutch control

is in the disengaged position.

• When the engine is running, any attempt by the opera

tor to leave the seat without first setting the parking

brake should shut off the engine.

• When the engine is running and the attachment clutch

is engaged, any attempt by the operator to leave the

seat should shut off the engine.

® The attachmentclutch should neveroperate unless the

operator is in the seat.

B.w‘:cwRE

For best results mower blades must be kept sharp. Re

place bent or damaged blades.

BLADE REMOVAL (See Fig. 10)

» Raise mower to highest position to allow access to

blades.

• Remove hex bolt, lock washer and flat washer securing

blade.

» Install new or resharpened blade with trailing edge up

towards deck as shown.

IMPORTANT: TO ENSURE PROPER ASSEMBLY,

CENTER HOLE IN BLADE MUST ALIGN WITH STAR ON

MANDREL ASSEMBLY.

• Reassemble hex bolt, lock washer and flat washer in

exact order as shown.

» Tighten bolt securely (27-35 Ft. Lbs. torque).

IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED.

¡AILING

FLAT tf isHF.'-i

LOCK AfA-Sdfc'

MANDREL

ASSEMBLY

HEX BOLT (GRADE 8)*

*k GRADE 8 HEAT TREATED BOLT CAN BE

IDENTIFIED BY SIX LINES ON THE BOLT HEAD.

FIG. 10

TO SHARPEN BLADE (See Fig. 11)

NOTE: We do not recommend sharpening blade - but if you

do, be sure the blade is balanced.

Care should be taken to keep the blade balanced. An

unbalanced blade will cause excessive vibration and even

tual damage to mower and engine.

• The blade can be sharpened with a file or on a grinding

wheel. Do not attempt to sharpen while on the mower.

• To check blade balance, you will need a 5/8" diameter

steel bolt, pin, or a cone balancer. (When using a cone

baiancer, follow the instructions supplied with bal

ancer.)

NOTE: Do not use a nail for balancing blade. The lobes of

the center hole may appear to be centered, but are not.

» Slide blade on to an unthreaded portion of the steel bolt

or pin and hold the bolt or pin parallel with the ground.

If blade is balanced, it should remain in a horizontal

position. If either end of the blade moves downward,

sharpen the heavy end until the blade is balanced.

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Poulan 168737 Manuel d'utilisateur Page 16

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