Pump Installation - Toro GrandStand 74534 Service Manual

21. Loosen the jam nut securing the suction hose fitting,
then remove the fitting (Fig. 459).
Fig. 459
22. Remove the two sets of bolts and nuts securing
the pump control arm to the pump RTN (Return to
Neutral) assembly (Fig. 460).
Fig. 460
23. To service the pump, refer to the HydroGear Pump
Service Manual (BLN-52503).
36" & 40" Toro GrandStand Service Manual
HYDRAULIC DRIVE SYSTEM

Pump Installation

1. Transfer the high pressure hose identification marks
to the replacement pump.
2. Secure the pump control arm to the RTN (Return
to Neutral) assembly using the bolts and nuts (Fig.
461).
DSCN-3032a
3. Install the suction hose fitting to the pump (Fig. 462).
Note: Do not tighten the jam nut at this time.
DSCN-3038a
Fig. 461 DSCN-3038a
Fig. 462 DSCN-3032a
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