Poulan PR17H42STD User Manual - Page 21
To Adjust Brake See Fig. 25
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SERVICE AND ADJUSTMENTS IDLER PULLEYS • Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades. • Pull belt toward front of tractor and remove downward from around engine pulley. • Install new belt by reversing above procedure. ENGINE PULLEY MANDREL PULLEYS FIG. 24 CLUTCHING IDLER STATIONARY IDLER TO ADJUST BRAKE (See Fig. 25) Your tractor is equipped with an adjustable brake system which is mounted on the side of the transaxle. If tractor requires more than six (6) feet stopping distance at high speed in highest gear on a level dry concrete or paved surface, then brake must be adjusted. TRANSMISSION INPUT PULLEY • Depress clutch/brake pedal and engage parking brake. • Measure distance between brake operating arm and nut "A" on brake rod. • If distance is other than 1-9/16", loosen jam nut and turn nut "A" until distance becomes 1-9/16". Retighten jam nut against nut "A". • Road test tractor for proper stopping distance as stated above. Readjust if necessary. If stopping distance is still greater than six (6) feet in highest gear, further maintenance is necessary. Contact your nearest authorized service center/department. FIG. 26 TRANSMISSION REMOVAL/REPLACEMENT Should your transmission require removal for service or replacement, it should be purged after reinstallation and before operating the tractor. See "PURGE TRANSMISSION" in the Operation section of this manual. WITH PARKING BRAKE "ENGAGED" NUT "A" JAM NUT TRANSAXLE MOTION CONTROL LEVER NEUTRAL ADJUSTMENT(See Fig. 27) The motion control lever has been preset at the factory and adjustment should not be necessary. • Loosen adjustment bolt in front of the right rear wheel, and lightly tighten. • Start engine and move motion control lever until tractor does not move forward or backward. OPERATING ARM • Hold motion control lever in that position and turn engine off. • While holding motion control lever in place, loosen the adjustment bolt. DO NOT TOUCH THIS NUT. IF FURTHER BRAKE ADJUSTMENT IS NECESSARY CONTACT YOUR NEAREST AUTHORIZED SERVICE CENTER/DEPARTMENT FIG. 25 • Move motion control lever to the neutral (N) (lock gate) position. • Tighten adjustment bolt securely. NOTE: If additional clearance is needed to get to adjustment bolt, move mower deck height to the lowest position. TO REPLACE MOTION DRIVE BELT (See Fig. 26) After above adjustment is made, if the tractor still creeps forward or backward while motion control lever is in neutral position, follow these steps: Park the tractor on level surface. Engage parking brake. For assistance, there is a belt installation guide decal on bottom side of left footrest. • Loosen the adjustment bolt. • Move the motion control lever 1/4 to 1/2 inch in the direction it is trying to creep. • Remove mower (See "TO REMOVE MOWER" in this section of this manual.) • Tighten adjustment bolt securely. • Start engine and test. • Remove belt from stationary idler and clutching idler. 21 • If tractor still creeps, repeat above steps until satisfied.
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