Ariens Max Zoom 48 Owners Manual - Page 28
Replacing the Hydro Pump Belt, Mower Drive Belt Idler
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4. Remove short mower belt from right blade spindle and from deck. Idler pivot bolt must be loosened slightly to gain clearance to remove belt from under idler pulley (Figure 19). 5. Arrange new mower belt(s) on deck (short belt first). Retighten short mower belt idler pivot bolt. Install belts on sheaves. Put belts onto center sheave last. NOTE: The PTO idler spring length range is 12.25 - 12.5 in. (31 - 31.8 cm) measured at a 3 in. (7.62 cm) cutting height. Adjust the idler spring length as needed, see Figure 20. 6. Replace belt covers and return foot board to closed position. PTO Idler Spring Length Measure PTO idler spring length here. 3 5 1 6 2 4 7 The PTO idler spring length range is 12.25 - 12.5 in. (31 - 31.8 cm) measured at a 3 in. (7.62 cm) cutting height. Adjust as necessary. Figure 20 OF4345 Replacing the Hydro Pump Belt 1. Properly stop and park unit (See Operation on page 14). 2. Remove the PTO belt from the mower clutch sheave (See Replacing Mower Belts on page 27). 1. PTO Mower Belt 2. Mower Drive Belt 3. Springs 4. Mower Drive Belt Idler 5. PTO Mower Belt Idler 6. Mower Clutch Sheave 7. Center Sheave Figure 19 CAUTION: Use care when releasing idler spring tension. Keep body parts well away from idlers when performing this operation. 3. Slowly release the tension on the hydro pump belt idler until all the tension is removed from the springs. 4. Remove old hydro pump belt from right hand hydrostat sheave first (Figure 21). 5. Install new hydro pump belt by positioning belt on sheaves. Put belt onto right hand hydrostat sheave last. 6. Replace long mower belt on mower clutch sheave. See Replacing Mower Belts on page 27. GB - 28