Rotor Shaft (Serial Number Above 313000000) - Toro ProForce 44538 Service Manual

Rotor Shaft (Serial Number Above 313000000)

Loctite #242
90 to 100 in- -lb
(10.2 to 11.3 N- -m)
3
6
4
7
6
1. Inner housing
2. Rotor shaft
3. Flange head screw (8 used)
NOTE: The rotor shaft and bearings can be serviced
without removing inner housing from machine.
NOTE: Rotor shaft for machines with serial number be-
low 313000000 is described earlier in this section. If in-
ner housing has been replaced by a later housing
version, use appropriate illustration and service proced-
ures.
Removal (Fig. 6)
1. Position machine on a firm, level surface. Make sure
engine is stopped and remove key from the ignition
switch. Chock wheels to prevent machine from moving.
2. To prevent unexpected machine operation, discon-
nect the negative battery cable from the battery terminal
(see Battery Service in the Service and Repairs section
of Chapter 4 -- Electrical System). Position discon-
nected negative cable away from the negative battery
terminal.
3. Remove nozzle and nozzle pulley from rear of outer
housing (see Nozzle Assembly Removal in this section).
4. Remove top grill to allow access to blower assembly
(see Guards Removal in the Service and Repairs sec-
tion of Chapter 6 -- Chassis).
Blower Assembly
2
5
4. Bearing cap
5. End cap
6. Retaining ring (4 used)
7
6
Figure 7
5. Remove blower drive shaft from machine (see Blow-
er Drive Shaft Removal in this section).
6. Remove rotor assembly (see Rotor Assembly Re-
moval in this section).
7. Remove four (4) flange head screws that secure
bearing cap (item 4) to inner housing.
8. Carefully slide rotor shaft assembly from inner hous-
ing. Note slot in inner housing that locates tab on end
cap (item 5) for assembly purposes. Rear cap will re-
main in inner housing.
9. Using Figure 6 as a guide, remove bearing cap (item
4), end cap (item 5), retaining rings (item 6) and bear-
ings (item 7) from rotor shaft as necessary.
10.Remove and discard O--ring (item 9) from rear cap.
11. If necessary, remove rear cap (item 8) from inner
housing.
12.Inspect rotor shaft and bearing bores of bearing cap
and rear cap for wear or damage. Replace parts as nec-
essary.
Page 5 - - 10 Rev. C
1
8
Loctite #242
90 to 100 in- -lb
(10.2 to 11.3 N- -m)
7. Bearing (2 used)
8. Rear cap
9. O- -ring
ProForce Debris Blower
9
3