Poulan PDGT26H48B User Manual - Page 23

SERVICE AND ADJUSTMENTS TO REPLACE MOWER BLADE (SECONDARY) DRIVE BELT (See Fig. 25) Park the tractor on level surface. Engage parking brake. • Remove mower (See "TO REMOVE MOWER" in this section of manual). • Remove screws from R.H. and L.H. mandrel covers and remove covers. REMOVE MOWER DRIVE BELT (Refer to "TO REMOVE MOWER DRIVE BELT" illustration in this section of manual). • Carefully roll belt over the top of R.H. mandrel pulley. • Remove belt from idler pulleys. • Check primary idler arm and two idlers to see that they rotate freely. • Be sure spring is securely hooked to primary idler arm and spring arm. REMOVE MOWER BLADE (SECONDARY) DRIVE BELT • Carefully roll belt off L.H. mandrel pulley. • Remove belt from center mandrel pulley, idler pulley, and R.H. mandrel pulley. • Remove any dirt or grass which may have accumulated around mandrels and entire upper deck surface. • Check secondary idler arm and idler pulley to see that they rotate freely. • Be sure spring is hooked in secondary idler arm and secondary spring arm. INSTALL NEW MOWER BLADE (SECONDARY) DRIVE BELT • Install new belt in lower groove of R.H. mandrel pulley, idler pulley, and center mandrel pulley as shown. • Carefully roll belt over L.H. mandrel pulley. Make sure belt is in all grooves properly. REINSTALL MOWER DRIVE BELT (Refer to "TO REMOVE MOWER DRIVE BELT" illustration in this section of manual). • Install belt into upper groove of R.H. mandrel pulley and around both idlers. Pull belt to front of mower to remove slack. • Reinstall mandrel covers and securely tighten all screws. • Carefully check belt routing making sure belt is in all grooves correctly. • Reinstall mower to tractor (See "TO INSTALL MOWER" in this section of manual). SECONDARY IDLER ARM SPRING L.H. MANDREL IDLER PULLEY SECONDARY SPRING ARM CENTER MANDREL R.H. MANDREL FIG. 25 TO ADJUST ATTACHMENT CLUTCH (See Fig. 26) The electric clutch should provide years of service. The clutch has a built-in brake that stops the pulley within 5 seconds. Eventually, the internal brake will wear which may cause the mower blades to not engage, or, to not stop as required. Adjustments should be made by your nearest authorized service center/department. • Make sure attachment clutch and ignition switches are in "OFF" position. • Adjust the three nylon locknuts until space between clutch plate and rotor measures .012" at all three slot locations cut in side of brake plate. NOTE: After installing a new electric clutch, run tractor at full throttle and engage and disengage electric clutch 10 cycles to wear in clutch plate. ROTOR SLOT (3) CLUTCH PLATE .012" NYLON LOCKNUT (3) FIG. 26 BRAKE PLATE 23