Toro 23518 - Hydraulic Pump Belt Removal & Installation

HYDRAULICS & ENGINE MOUNTING
4-21
Toro 30” Aerator Service Manual
4
4. When the correct deection is achieved, tighten the
front mounting bolts and transmission adjustment
plate bolts on both sides to 35 ft-lbs. (48 Nm).
5. Check the deection on the chains again. If they are
too tight, loosen the mounting bolts one turn and
loosen the chains using the adjustment bolt. Re-
torque the mounting bolts to 35 ft-lbs. (48 Nm) and
check deection again.
6. Test drive the unit and re-check deection. If it is out-
of-spec, re-set the deection again.
7. Install the right and left side chain guards (Fig. 123).
Torque bolts to 20 ft-lbs. (27 Nm).
Fig. 123 chain guard
Hydraulic Pump Belt Removal &
Installation
1. Lower the transaxle as outlined in the “Transmission
Belt Replacement” section of this chapter.
2. Once the transaxle is lowered, remove the xed idler
(Fig. 124).
Fig. 124 tension idler
3. Work the old belt off of the pump pulley.
4. Place the new belt over the PTO pulley and work the
new belt around the pump pulley (Fig. 125).
Fig. 125 pump belt install