ICE AND ADJUSTMENTS FRONT-TO-BACK ADJUSTMENT (See Figs. 20 and 21) - IMPORTANT: DECK MUST BE LEVEL SIDE-TO-SIDE.. IF THE FOLLOWING FRONT-TO-BACK ADJUSTMENT IS NECESSARY, BE SURETO ADJUST BOTHFRONT LINKS EQUALLY SO MOWER WILL STAY LEVEL SIDE-TO-SIDEo TO obtain the best cutting results, the mower housing should be adjusted so the front is approximately 1/8"to 1/2" lower than the rear when the mower is in its highest position_ Check adjustment on right side of tractor. Measure dis- tance "F" directly in front of and behind the mandrel at bottom edge of mower housing as shown_ Before making any necessary adjustments, check that both front links are equal in length.
If links are not equal in length, adjust one link to same length as other link. - To lower front of mower housing, loosen nut"G" on both front links an equal number of turns° When distance "F" is t/8" to 1/2" lower at front than rear, tighten nut"H" against trunnion on both front links. ° To raise front of mower housing, loosen nut "H" from trunnion on both front links. Tighten nut "G" on both front links an equal number of turns. When distance "F" is 1/8" to 1/2" lower at front than rear, tighten nut "H" against trunnion on both front links. NOTE: Each fult turn of nut "G" will change dim, "F" by approximately 3/8".
Recheck side-to-side adjustmenL LlUJUJIIIJIL,UlJJlJJlJJ II II II I I I I TO REPLACE MOWER DRIVE BELT MOWER DRIVE BELT REMOVAL (See Fig. 22) ° Park tractor on a level surface, Engage parking brake. Remove four' screws from L.H_ mandrel cover' and remove cover. Roll belt over' the top of LH_ mandrel pulley. Remove belt from electric clutch pulley. Remove belt from idler pulleys, Remove any dirt or grass clippings which may have accumulated around mandrels and entire upper deck_ surface° ° Check primary idler arm and two idlers to see that they rotate freely_ Be sure spring is securely hooked to primary idler arm and bolt in mower housing, MOWER DRIVE BELT INSTALLATION (See Fig.
22) - install bert in both idlers_ Make sure belt is in both belt keepers at the idlers as shown. ° Install new belt onto electric clutch pulley. ° Roll belt into upper groove of L.H_mandrel putiey, Carefully check belt routing making sure belt is in the grooves correctly and inside belt keepers. Reassemble L.H_mandrei coven MANDREL L.H, MANDREL COVER SCREWS SPRING ELECTRIC CLUTCH PULLEY IDLER PULLEYS "F" F" PRIMARY IDLER ARM FIG. 20 BOTH FRONT LINKS SHOULD BE EQUAL IN LENGTH BOLT IN MOWER HOUSING MANDREL MOWER DRIVE BELT BELT KEEPERS NUT "G" FIG, 22 NUT"H' FRONT LINKS FIG, 21 20