Craftsman 917.27191 Brake Operation, Tires, Operator Presence System, Blade Care, Blade Removal

Page 18

TRACTOR

Always observe safety rules when

performing any maintenance.

BRAKE OPERATION

If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be ad-

justed. (See =TO ADJUST BRAKE" in the

Service and Adjustments section of this

manual).

TIRES

Maintain proper air pressure in all tiros (See =PRODUCT SPECIFICATIONS" section of this manual).

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 tiros 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 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 attempt by the operator to leave the seat should shut off the engine.

The attachment clutch should never

operate unless the operator is in the seat.

BLADE CARE

For best results mower blades must be

kept sharp. Replace bent or damaged blades.

BLADE REMOVAL

1.Raise mower to highest position to allow access to blades.

2.Remove blade bolt, lock washer and flat washer securing blade.

3.Install new or rosharpened 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.

4.Reassemble blade bolt, lock washer and flat washer in exact order as shown.

5.Tighten bolt securely (27-35 Ft. Lbs.

torque).

 

IMPORTANT:

Blade bolt is grade 8 heat

treated,

Mandrel

 

Trailing

 

Edge Up

Center

Flat

 

Lock_

 

Washer

 

q;_lade Bolt

*A Grade 8 heat treated bolt can be identified by six lines on the bolt head.

TO SHARPEN BLADE

NOTE: We do not recommend sharpen- ing 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 eventual

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 balancar. (When using a cone bal-

ancar, follow the instructions supplied with balancer.)

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 unthroeded

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.

5/8"

de

Pin

 

 

Center Hole

18

Image 18
Contents CRAFT.TMANI Product Specifications WarrantySafety Rules Assembly/Pre-OperationGeneral Operation II. Slope OperationIV. Service Do notIII. Children Page RC12YC Product SpecificationsRepair Agreement UIRSteering Wheel Tools Required for Assembly Check BatteryTo Remove Tractor from Carton Unpack Carton Install Seat Check Deck Levelness To Convert to Bagging or DischargingCheck Tire Pressure Check for Proper Position of ALL BeltsENG,,EONENG,NEOFFO,LPRSREOG,-nSONOVEPI Knowyour Tractor HOW to USE Your Tractor StoppingTo USE Choke Control To Adjust Gauge Wheels To Stop Mower BladesDisengage attachment clutch control Check Engine OIL Level Before Starting the EngineADD Gasoline To Start EngineMowing Tips Mulching Mowing TipsGeneral Recommendations Lubrication Chart=.F. R Before Each USEOperator Presence System Brake OperationTires Blade CareEngine Muffler CleaningEngine OIL Filter Spark PlugsTo Install Mower To Remove MowerTo Replace Mower Blade Drive Belt SIDE-TO-SIDE AdjustmentBelt Installation Belt RemovalBelt Installation To Adjust BrakeTo Replace Motion Drive Belt Werya To Replace Headlight Bulb To Remove Hood and Grill AssemblyReplacing Battery Interlocks and RelaysTo Adjust Choke Control To Adjust CarburetorEngine Battery OtherProblem CauseCorrection Problem Cause Correction Faulty light switch Blades improperly installedSwitch is OFF Bad battery cellsSchematic Tractor --MODEL NumberTractor -- Model Number Electrical Tractor - Model Number Electrical KEY Part DescriptionTractor - Model Number 917.271910 Chassisand Enclosures KEY Part NO. no Description Tractor - Model Number Grounddrive Keeper, Belt,Engine, Fool-Proof Tractor - Model N UM BER SteeringTractor - Model Number Steering KEY Part DescriptionTractor - Model Number Optional EquipmentKEY Part NO. NO. Description Tractor - Model Number Liftassembly Tractor - Model Number Seat Assembly Wheels and Tires DecalsKEY Part Description NO. no Tractor - Model Number Mowerdeck Tractor - Model Number Mower Deck NtJMBERS Here Bevel & Spur Gear 30 Tractor -- Model Number IOOWNERS.IUBRIGGS& STRArroNENGINE-MODELNUMBER407777,TYPE NUMBER0167-E1 Valve Gasket SET Gasket-Roat Bowl Tractor -- Model Number KEY Part NO. NO.DESCRIPTIONPage Page Sighting Only Ride UP and Down HillNot Across Hill SKY Line or TreeOr Sears Maintenance Agreement Canada 181312 3.13.02 TR