Toro Groundsmaster 4500-D Series Service Manual page 251

Removal (Figure 136) (continued)
Installation (Figure
Groundsmaster ® 4500-D/4700-D
19245SL Rev A
g308937
1. Hydraulic tube
2. Hydraulic tube
3. Hydraulic tube
4. Hex nut
5. Flat washer
6. Fan hub
7. Woodruff key
8. Cap screw (2 used)
9. Flat washer (2 used)
7. Remove fan motor from bracket
A. Disconnect hydraulic tubes (items 1, 2 and 3) from fan motor fittings.
Label hydraulic tubes for proper assembly.
B. Remove hex nut (item 4) and washer (item 5) that secure fan hub to fan
motor. Use suitable puller to carefully remove fan hub from fan motor
shaft. Locate and retrieve woodruff key (item 7).
C. Remove two (2) cap screws (item 8), flat washers (item 9) and lock
nuts (item 10) that secure fan motor to fan motor bracket. Remove fan
motor from bracket.
D. If necessary, remove hydraulic fittings from fan motor and discard O-rings.
136)
1. If fittings were removed from fan motor, lubricate and place new O-rings onto
fittings. Install fittings into port openings. Tighten fittings (see
Hydraulic Fittings (SAE Straight Thread O-Ring Fittings) (page
2. Secure fan motor to bracket
A. Position fan motor to fan motor bracket and secure with two (2) cap
screws (item 8), flat washers (item 9) and lock nuts (item 10).
B. Thoroughly clean tapered surfaces of fan motor shaft and fan hub. Place
woodruff key (item 7) in slot in motor shaft.
Figure 137
10. Lock nut (2 used)
11. Fan motor
12. Fan motor bracket
13. O-ring
14. Hydraulic fitting
15. O-ring
16. O-ring
17. Hydraulic fitting
18. O-ring
(Figure 137):
(Figure 137):
Page 5–149
Installing the
5–9)).
Hydraulic System: Service and Repairs