Toro 74314 - Page 53

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Figure 60
1. Align the 3 pump-drive
pulley surfaces shown
with this pattern within 0.8
to 1.6 mm (1/32 inch to
1/16 inch).
2. Align the 3 PT O-drive
pulley surfaces shown
with this pattern within 0.8
to 1.6 mm (1/32 inch to
1/16 inch).
9. T ighten the 4 engine mounting bolts and 4
jackshaft mounting bolts. Check the alignment
after tightening.
10. Install the pump-belt tension spring.
1 1. Swing the fuel tank in and install the tank
mounting nuts.
12. Align the pump-drive pulley; Aligning the
PT O-Drive Pulley ( page 52 ) .
Aligning the Pump-Drive
Pulley
The pump-drive-pulley alignment is necessary for any
of the following conditions:
• The engine mounting bolts have been loosened or
the engine has been moved or replaced.
• The pump pulleys have been loosened, moved,
or replaced.
• The PT O pulley has been aligned; refer to Aligning
the PT O-Drive Pulley ( page 52 ) .
1. Park the machine on a level surface, move the
speed-control lever to the N EUTRAL position,
disengage the blade-control switch (PT O), and
engage the parking brake.
2. Shut of f the engine, remove the key , and wait
for all moving parts to stop before leaving the
operating position.
3. Loosen the set screws on both pump pulleys.
4. Using a straight edge, align each pump pulley
with the engine pulley by sliding it along the
pump shaft ( Figure 60 ).
5. T ighten the pulley set screws and check the
alignment.
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