Toro 08781 Installation Instructions Manual page 11

7. Align the hub assembly with the square key and
install it onto the engine PTO (power takeoff)
shaft (Figure 20).
Note:
Make sure that the hub assembly is
totally bottomed out on the shaft.
8. Apply removable thread-locking compound to
the 2 setscrews (5/16 x 3/4 inch) and install
them into the hub assembly to secure it to the
PTO shaft (Figure
Figure 20
1. Pump bracket
2. Engine PTO shaft
3. Square key (1/4 x 1 inch)
9. Install the pump plate stud into the pump bracket
while installing the hydraulic pump shaft into the
hub assembly.
Note:
The hydraulic pump shaft will touch the
end of the engine PTO shaft
20).
4. Setscrew (5/16 x 3/4 inch)
5. Hub assembly
(Figure 21).
1. Pump bracket
2. Pump plate stud
3. Pump plate
10. The hub assembly needs to be totally seated
on the shaft.
Note:
Verify that there is a gap between the
g003610
pump plate and the hub assembly. If there is
no gap, then the hub assembly is not installed
correctly and needs to be seated correctly
(Figure 22).
1. Pump plate
2. Hub assembly
11
Figure 21
4. Hub assembly
5. Hydraulic pump shaft
6. Setscrew (5/16 x 3/4 inch)
Figure 22
3. 1.0 to 3.1 mm (0.040 to
0.122 inch) gap between
hub assembly and pump
plate
g003612
g003606