Aligning The Pto Drive Pulley; Aligning The Pump-Drive Pulley - Toro 74311TE Operator's Manual

Figure 63
1. Rotate tracking knob on
left side
12. Move the steering levers to the reverse position. While
applying slight pressure to the levers, allow the steering
levers to return to neutral. The wheels must stop
turning or slightly creep in reverse.
13. Stop the engine and wait for all moving parts to stop.
14. Remove the jumper wire from wire harness connector
and plug the connector into seat switch.
15. Lower the machine from the jackstands.

Aligning the PTO Drive Pulley

The PTO drive pulley alignment is necessary for any of the
following conditions:
•
When the blower is removed or replaced.
•
When the engine mounting bolts are loosened or the
engine is moved or replaced.
•
When the jackshaft mounting bolts are loosened or the
jackshaft is moved or replaced.
1. Stop the machine and move the speed-control lever
to the N position.
EUTRAL
2. Disengage the PTO, engage the parking brake, shut off
the engine, and wait for all moving parts to stop.
3. Remove the fuel tank mounting nuts and swing out
the fuel tank.
4. Verify that the blower is installed and tightly secured.
5. Loosen the 4 engine mounting bolts.
6. Unhook the pump-belt tension spring.
7. Loosen the 4 jackshaft mounting bolts.
8. Measuring from the blower pulley as a baseline, move
the engine and jackshaft until the rear surface of all
three pulleys are aligned within 0.8 to 1.6 mm (1/32
inch to 1/16 inch)
2. Rotate double nuts on
right side
(Figure 64).
Note: Use a straight edge to align all three surfaces.
1. Align the three pump drive
pulley surfaces shown with
this pattern within 0.8 to
1.6 mm (1/32 inch to 1/16
inch).
9. Tighten the four engine mounting bolts and four
jackshaft mounting bolts.
10. Check the alignment after tightening.
11. Install the pump belt tension spring.
12. Swing the fuel tank in and install tank mounting nuts.
13. Align the pump drive pulley; refer to
Pump-Drive Pulley (page
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 PTO pulley alignment has been performed; refer to
Aligning the PTO Drive Pulley (page
1. Stop the machine and move the speed-control lever
to the N
EUTRAL
2. Disengage the PTO, engage the parking brake, shut off
the engine, and wait for all moving parts to stop.
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
64).
5. Tighten the pulley set screws and check the alignment.
49
Figure 64
2. Align the three PTO drive
pulley surfaces shown with
this pattern within 0.8 to
1.6 mm (1/32 inch to 1/16
inch).
Aligning the
49).
49).
position.
(Figure