5.
cure fan (item 13) to fan hub. Remove fan.
Removefour(4)capscrewsandwashersusedtose-
IMPORTANT: Make sure to not damage the radiator
or other machine components while installing the
fan motor and bracket assembly.
IMPORTANT: Make sure to not damage the radiator,
fan or other machine components while loosening
and removing the fan motor.
5. Carefullyposition fanmotor andbracketassemblyto
radiator and secure with six (6) cap screws and flange
nuts.
6.
Remove cooling fan motor and bracket assembly.
6.
Remove caps and plugs placed in hoses and fittings
A. To prevent contamination of hydraulic system,
thoroughly clean exterior of fan motor and fittings.
during removal to prevent contamination. Using labels
placed during motor removal, properly connect hydrau-
lic hoses to cooling fan motor (see Hydraulic Hose and
Tube Installation in the General Information section of
this chapter).
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.
7.
Apply Loctite #242 (or equivalent) to threads of cap
screws (item 11) used to secure fan to fan hub. Position
fan to fan hub and secure with four (4) cap screws and
washers. Torque screws from 12 to 14 ft--lb (17 to 18
N--m).
C. Remove six (6) cap screws and flange nuts that
secure fan motor bracket to radiator.
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.80).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.
surehydraulic tankisfull.Addcorrectoilifnec-
10.Make
essary before returning machine to service.
8.
Remove two (2) cap screws (item 20), flat washers
(item 21) and lock nuts (item 14) that secure fan motor
to fan motor bracket. Remove fan motor from bracket.
1
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
8
4
Installation (Fig. 79)
5
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).
4
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).
7
4
Figure 80
3.
Thoroughly clean tapered surfaces of fan motor
shaft and fan hub. Place woodruff key in slot in motor
shaft.
1.
2.
3.
4.
Radiator
5.
Air cleaner hose
Flange nut (4 used)
Cap screw
Upper radiator shroud
Screw (4 used)
Flat washer
6.
7.
8.
Fan motor bracket
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).
Groundsmaster 4100--D/4110--D
Page 4 -- 117
Hydraulic System
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Language | English |
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