Sears 917.257552 Tires, BATTERY See Fig, Brake Operation, Blade, Care, BLADE REMOVAL See Fig

Models: 917.257552

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BRAKE OPERATION

BRAKE OPERATION

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted. (See %'OADJUST BRAKE" in the Service and Adjust- ments section of this manual).

TIRES

Maintain proper air pressure in ati tires (See "PROD- UCT SPECIFICATIONS" on page 3 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

PO IL ES

oTo check blade balance, you will need a 5/8" diameter steel bolt, pin, ora cone batancer. (When using a cone balancer, follow the instructions supplied with bat-

anGer,)

oSlide 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.

NOTE: Do not use a nail for'balancing blade. The lobes of the center hole may appear to be centered, but are not.

BLADE

CARE

 

For best

results mower blades must be kept sharp_ Re-

FIG. 14

place bent or damaged blades.

 

BLADE REMOVAL (See Fig. 13)

Raise mower to highest position to allow access to blades_

Remove hex bolt, lock washer and fiat washer securing blade

°Install new or resharpened blade with trailing edge up towards deck as shown.

oReassemble hex bolt, lock washer and flat washer in exact order as shown_

oTighten bolt securely (30-35 Ft. Lbs. torque).

IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED

NOTE: We do not recomrnend sharpening blade - but ifyou do, be sure the blade is balanced°

MANDREL

BLADEASSEMBLY

BATTERY (See Fig. 15)

Your tractor has a battery charging system which is suffi- cient for normal use_ However, periodic charging of the battery with an automotive charger will extend its life

=Acid solution level in each battery celt should be even with bottoms of vent wells_ Add only distilled or iron free water'if necessary. Do not overfill.

°Keep battery and terminals clean. o Keep battery bolts tight.

=Keep vent caps tight and srnaUvent hotes in caps open. ° Recharge at 6 amperes for t hour,

TO CLEAN BATTERY AND TERMINALS

Corrosion and dirt on the battery and terminals can cause the battery to "leak" power_

=Remove terminal guard_

oDisconnect BLACK battery cable first then RED bah tery cable and remove battery from tractor°

oWash battery with solution of four tablespoons of baking soda to one gallon of water_ Be careful not to get the soda solution into the cells.

°Rinse the battery with plain water and dry

oClean terminals and battery cable ends with wire brush until brighL

*A GRADE 8 HEAT TREATED BOLT CAN BE IDENTIFIED BY SIX LINES ON THE BOLT HEAD.

FIG. 13

. Coat terminals with grease or petroleum jelly,

°Reinstall battery (See "INSTALL BATTERY" in the Assembly section of this manual)°

CUT AWAY VIEW

/

VENTCAP

[

!

VENT WELL

TO SHARPEN BLADE (See Fig. 14)

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 rite or on a grinding

16

FIG. 15

wheel Do not attempt to sharpen whiie on the mower.

 

 

BATTERY CELL ACID

LEVEL

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Sears 917.257552 Tires, BATTERY See Fig, Brake Operation, Blade, Care, BLADE REMOVAL See Fig, TO SHARPEN BLADE See Fig