5.
cure fan (item 13) to fan hub. Remove fan.
Removefour(4)capscrewsandwashersusedtose-
4. Position fan hub onto motor shaft and secure with
washer (item 8) and hex nut (item 9). Torque nut from 27
to 33 ft--lb (37 to 44 N--m).
IMPORTANT: Make sure to not damage the radiator
or other machine components while loosening and
removing the fan motor and bracket assembly.
IMPORTANT: Make sure to not damage the radiator
or other machine components while installing the
fan motor and bracket assembly.
6.
Remove cooling fan motor and bracket assembly.
5.
radiator and secure with six (6) cap screws and flange
nuts.
Carefullyposition fanmotor andbracketassemblyto
A. To prevent contamination of hydraulic system,
thoroughly clean exterior of fan motor and fittings.
B. Disconnect hydraulic hoses from fan motor. Put
caps or plugs on fittings and hoses to prevent con-
tamination. Label hydraulic lines for proper assemb-
ly.
6.
Remove caps and plugs placed in hoses and fittings
during removal to prevent contamination. Connect hy-
draulic hoses to cooling fan motor (see Hydraulic Hose
and Tube Installation in the General Information section
of this chapter).
C. Remove six (6) cap screws and flange nuts that
secure fan motor bracket to radiator.
7.
Position fan to fan hub and secure with four (4) cap
screws and washers.
D. Carefully remove fan motor and bracket assem-
bly from machine and place on suitable work sur-
face.
8.
Install upper radiator shroud and air cleaner hose
(Fig.92).Makesurethatclearance between shroudand
cooling fan is at least 0.180” (4.6 mm) at all points.
7.
Removehexnut(item9)andwasher(item8)thatse-
curefanhub tofan motor.Use suitable puller tocarefully
remove fan hub from fan motor shaft. Locate and re-
trieve woodruff key.
9.
Lower and secure hood.
8.
(item 21) and lock nuts (item 14) that secure fan motor
to fan motor bracket. Remove fan motor from bracket.
Remove two (2) cap screws (item 20), flat washers
5
9.
mark fitting orientation to allow correct assembly. Re-
move fittings from motor and discard O--rings.
If hydraulic fittings are to be removed from fan motor,
2
3
4
Installation (Fig. 91)
1.
Iffittings were removed fromfan motor,lubricate and
place new O--rings onto fittings. Install fittings into port
openingsusingmarksmadeduringtheremovalprocess
to properly orientate fittings. Tighten fittings (see Hy-
draulic Fitting Installation in the General Information
section of this chapter).
1
7
6
2.
Position fan motor to fan motor bracket and secure
with cap screws (item 20), flat washers (item 21) and
lock nuts (item 14).
Figure 92
1.
Radiator
5.
6.
7.
Air cleaner hose
Screw
Flat washer
3.
shaft and fan hub. Place woodruff key in slot in motor
shaft.
Thoroughly clean tapered surfaces of fan motor
2.
3.
4.
Upper radiator shroud
Screw (4 used)
Flange nut (4 used)
Groundsmaster 4500--D/4700--D
Page 4 -- 111
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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