Poulan HDF550M User Manual - Page 14

SERVICE AND ADJUSTMENTS TINE OPERATION CHECK (See Fig. 19) A WARNING: Disconnect spark plug wire from spark plug to prevent starting while checking tine operation. For proper tine operation, forward tine control lever must be against control body and all slack removed from inner wire of control cable when control is in the "OFF" (up) position. If lever and cable are loose, loosen cable clip at lower end of cable. Pull up on cable to remove slack, without extending spring on end of cable, and retighten cable clip. FINAL CHECK "OFF" POSITION • With tine control "OFF" (up), push down on handle to raise tines off the ground. • Slowly pull recoil starter handle while observing tines. Tines should not rotate. • If tines rotate, inner wire of control cable is too tight which is extending lower spring and engaging tines. Loosen cable clip and push down on cable only enough to relieve spring tension. Tighten cable clip. • Recheck in "OFF" position and adjust if necessary. TO REMOVE BELT GUARD (See Fig. 20) • Remove two (2) cap nuts and washers from side of belt guard. • Loosen (do not remove) tine shield nut on underside of tine shield. • Pull belt guard out and away from unit. • Replace belt guard by reversing above procedure. Be sure slot in bottom of belt guard is under head of tine shield bolt and all nuts are tightened securely. CAP NUTS AND WASHERS BELT GUARD • FINAL CHECK "ON" POSITION • With tine control "ON" (held down to handle) push down on handle to raise tines off the ground. • Slowly pull recoil starter handle while observing tines. Tines should rotate forward. • If tines do not rotate, inner wire of control cable is too loose. Loosen cable clip and pull cable up to remove slack and retighten clip. • Recheck in "ON" position and adjust if necessary. NOTE: If"ON"position check required adjustment, recheck "OFF"position adjustmenttoinsure tines donot rotate when control is "OFF" (up). FORWARD TINE CONTROL IN "OFF" (UP) POSITION BODY TINE CONTROL "ON" POSITION TINE SHIELD NUT FIG. 20 TO REPLACE V-BELTS (See Figs. 21 and 22) Replace V-belts if they have stretched considerably or if they show cracks or frayed edges. There are two (2) V-belts - forward (inside) and reverse (outside). Belt guard must be removed to service belts. See "TO REMOVE BELT GUARD" in this section of manual. NOTE: Observe carefully routing of both belts and location of all belt guides before removing belts. BELT REMOVAL • Remove reverse idler pulley from idler arm. • Remove reverse (outside) V-belt. • Remove forward (inside)V-beltfromtransmissionpulley first and then from engine pulley. CABLE CLIP 0 a, 0 FIG.19 TINE CONTROL CABLE BELT REPLACEMENT • Install new forward (inside) V-belt to engine pulley first then to transmission pulley. Be sure belt is positioned on inside groove of both pulleys, inside all belt guides and rests on idler pulley. • Beforeinstalling reverse(outside)V-belt,turnbelt"inside out". Twist so wide, flat surface of belt is to inside. • Wrap V-belt around reverse idler pulley and reassemble idler to idler arm. Tighten securely. Be sure belt is between reverse idler pulley and idler arm pin. • Install belt to outside groove of transmission pulley. Be sure belt is inside all belt guides and rests on outside groove of engine pulley. CHECK TINE OPERATION • See "TINE OPERATION CHECK" in this section of manual. REPLACE BELT GUARD 14