Toro 22317 Service Manual page 241

CHAIN DRIVE/GAS ENGINE
52. Using a 5/8" socket, remove the 4 bolts securing the
pump mount to the engine (Fig. 0791).
53. Remove the hydraulic pump and mount assembly
from the crankshaft (Fig. 0792).
4/4-12
Fig. 0791 DSC-0683a
Fig. 0792 DSC-0688a
54. Remove the key from the crankshaft keyway (Fig.
0793).
Toro Wheeled CUL Service Manual
Fig. 0793 DSC-0690a