Brake operation, Tires, Blade removal – Craftsman YS 4500 917.28990 User Manual

Page 20: Battery

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TRACTOR

Always observe safety rules when per­
forming any maintenance.

BRAKE OPERATION
If tractor requires more than five (5) feet to

stop at highest speed in highest gear on a

level, dry concrete or paved surface, then

brake must be serviced. (See “TO CHECK

BRAKE” in the Service and Adjustments

section of this manual).

TIRES

• Maintain proper air pressure in all tires

(See PSI on tires).

• Keep tires free of gasoline, oil, or insect

control chemicals 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 AND

REVERSE OPERATION SYSTEM (ROS)
Be sure operator presence and reverse

operation systems are working properly. If

your tractor does not function as de­
scribed, repair the problem immediately.

• The engine should not start unless the

brake pedal is fully depressed, and the

attachment clutch control is in the disen­

gaged position.

CHECK CPERATCR PRESENCE
SYSTEM
• When the engine is running, any at­

tempt by the operator 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 at­

tempt by the operator to leave the seat

should shut off the engine.

• The attachment clutch should never op­

erate unless the operator is in the seat.

CHECK REVERSE CPERATICN (RCS)
SYSTEM
• When the engine is running with the

ignition switch in the engine "CN" posi­

tion and the attachment clutch engaged,

any attempt by the operator to shift into

reverse should shut off the engine.

ROS "ON" Position Engine "ON" Position

(Normai Operating)

• When the engine is running with the

ignition switch in the RCS "CN" position

and the attachment clutch engaged,
any attempt by the operator to shift into

reverse should NCT shut off the engine.

BLADE CARE
For best results mower blades must be sharp.
Replace worn, bent or damaged blades.

A CAUTION: Use only a replacement blade

approved by the manufacturer of yourtractor.

Using a blade not approved by the manu­

facturer of your tractor is hazardous, could

damage your tractor and void your warranty.

BLADE REMOVAL

1. Raise mower to highest position to al­

low access to blades.

NOTE: Protect your hands with gloves

and/or wrap blade with heavy cloth.
2. Remove blade bolt by turning counter­

clockwise.

3. Install new blade with stamped

"GRASS SIDE" facing the ground.

IMPORTANT: To ensure proper assembly,
center hole in blade must align with star
on mandrel assembly.

4. Install and tighten blade bolt securely

(45-55 Ft. Lbs. torque).

IMPORTANT: Special blade bolt is heat

treated.

20

BATTERY

Your tractor has a battery charging system

which is sufficient for normal use. How­

ever, periodic charging of the battery with

an automotive charger will extend its life.

• Keep battery and terminals clean.
• Keep battery bolts tight.
• Keep small vent holes open.
• Recharge at 6-10 amperes for 1 hour.

NOTE: The original equipment battery on

your tractor is maintenance free. Do not
attempt to open or remove caps or covers.

Adding or checking level of electrolyte is

not necessary.

TO CLEAN BATTERY AND TERMINALS

Corrosion and dirt on the battery and termi­

nals can cause the battery to “leak” power.

1. Disconnect BLACK battery cable first

then RED battery cable and remove

battery from tractor.

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