Toro 22317 Service Manual page 529

4-PAW DIESEL/ENGINE
6. Slide the idler arm fully outward (Fig. 1830).
7. Using a 22mm socket, rotate the engine until the
pump coupler set screws are accessible (Fig. 1831).
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Fig. 1830 DSC-1612a
Fig. 1831 DSC-1613a
8. Using a 1/4" 8-point socket, loosen the 2 pump
coupler set screws (Fig. 1832).
9. Place absorbent towel under the pump.
10. Loosen the hose clamp on the front pump suction
hose (Fig. 1833).
Toro Wheeled CUL Service Manual
Fig. 1832 DSC-1757a
Fig. 1833 DSC-1616a