Poulan 271490 User Manual - Page 17

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 adjusted. (See "TO ADJUST BRAKE" in the Service and Adjustments section of this manual). TIRES • Maintain proper air pressure in all tires (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 4. Reassemble blade bolt, lock washer and flat washer in exact order as shown. 5. Tighten blade bolt securely (27-35 Ft. Lbs. torque). IMPORTANT: Blade bolt is grade 8 heat treated. TO SHARPEN BLADE NOTE: We do not recommend sharpening blade - but if you do, be sure the blade is balanced. Trailing Edge Up Center Hole 01 214 Mandrel Assembly Lock Washer Star Blade Bolt (Grade)* Flat Washer Blade objects and other hazards that may cause tire damage. *A Grade 8 heat treated bolt can be identified by six lines on the bolt head. 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 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 Be sure operator presence and interlock to sharpen while on the mower. systems are working properly. If your trac- • To check blade balance, you will need a tor does not function as described, repair 5/8" diameter steel bolt, pin, or a cone the problem immediately. balancer. (When using a cone balancer, • The engine should not start unless follow the instructions supplied with the brake pedal is fully depressed and balancer.) attachement clutch control is in the NOTE: Do not use a nail for balancing disengaged position. blade. The lobes of the center hole may • When the engine is running, any at- appear to be centered, but are not. tempt by the operator to leave the seat • Slide blade on to an unthreaded portion without first setting the parking brake of the steel bolt or pin and hold the should shut off the engine. bolt or pin parallel with the ground. If • When the engine is running and the blade is balanced, it should remain in a attachment clutch is engaged, any at- horizontal position. If either end of the tempt by the operator to leave the seat blade moves downward, sharpen the should shut off the engine. heavy end until the blade is balanced. • The attachment clutch should never op- erate unless the operator is in the seat. BLADE CARE For best results mower blades must be kept sharp. Replace bent or damaged 01202 blades. 5/8" Bolt or Pin Blade BLADE REMOVAL 1. Raise mower to highest position to al- Center Hole low access to blades. BATTERY 2. Remove blade bolt, lock washer and Your tractor has a battery charging system flat washer securing blade. which is sufficient for normal use. How- 3. Install new or resharpened blade ever, periodic charging of the battery with with trailing edge up towards deck as an automotive charger will extend its life. shown. • Keep battery and terminals clean. IMPORTANT: To ensure proper assembly, • Keep battery bolts tight. center hole in blade must align with star • Keep small vent holes open. on mandrel assembly. • Recharge at 6-10 amperes for 1 hour. 17