"""H "H"IHIIII"IIIlll CUSTOMER RESPONSiBiLiTiES TRACTOR TO SHARPEN BLADE (See Fig. 15) Always observe safety rules when performing any rnainte- nanceo Care should be taken to keep the blade balanced, An unbalanced blade willcause excessive vibration and even- tual damage to mower and engine° BRAKE OPERATION The blade can be sharpened with a file oron a grinding wheel, Do notattempt to sharpen while on the mower,, . To check blade balance, you will need a 5/8" diameter steel bolt. pin,ora cone balancer.
(When using a cone balancer, foIlow the instructions supplied with bal- ancer)., ° Slide blade or] to an unthreaded portion of the steel bott 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 heawy end until the blade is balanced. If tractor requires more than six (6) feet stopping distance at high speed in highest gear, then brake must be adjusted.
(See 'q'O ADJUST BRAKE" in the Service and Adjust- ments section of this manual)° TIRES - Maintain proper air'pressure in all 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° 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 CENTER HOLE / / For best results mower' blades must be kept sharp, Re- place bent or damaged blades,. BLADE REMOVAL (See Fig.
14) LADE ° Raise mower to highest position to allow access to blades° - Remove hex bolt, lock washer and flat washersecuring blade_ - Install new or resharpened blade with trailing edge up towards deck as shown. ° Reassemble hex bolt, lock washer and flat washer' in exact order as shown. FIG. 15 ° Tighten bolt securely (30-35 FL Lbs. torque)., IMPORTANT: BLADE BOLT IS GRADE 8 HEATTREATED. NOTE" We do not recommend sharpening blade- but if you do, be sure the blade is balanced. BLADE MANDREL TRAILING EDGE FLAT WASHER ,_ I HEX BOLT (GRADE *AGRADE8HEATTREATED BOLT CAN BE IDENTIRED BY StXLINES ONTHE BOLT HEAD. FIG. 14 18