Removal (Fig. 101)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
Installation (Fig. 101)
1.
1. Iffittings were removed fromfan motor,lubricate and
place new O--rings onto fittings. Install fittings into motor
ports using marks made during the removal process to
properlyorientatefittings.Tightenfittings(seeHydraulic
Fitting Installation in the General Information section of
this chapter).
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the General Precautions for Removing and
IMPORTANT: Make sure to not damage the radiator,
oil cooler or other machine components while
installing the fan motor.
3.
Unlatch and raise hood.
CAUTION
2.
Loosely attach motor to bracket with socket head
screws (item 1) and lock nuts (item 11).
Carefully position fan motor to fan motor bracket.
The radiator and oil cooler may be hot. To avoid
possible burns, allow the engine and cooling
systems to cool before working on the oil cooler.
3. Remove caps or plugs placed during removal to pre-
vent contamination. Connect hydraulic hoses to cooling
fan motor (see Hydraulic Hose and Tube Installation in
the General Information section of this chapter).
IMPORTANT: Make sure to not damage the radiator,
oil cooler or other machine components while loos-
ening and removing the fan motor.
4.
Tighten socket head screws (item 1) and lock nuts
(item 11) to secure fan motor to bracket.
4.
(see Air Cleaner Removal in the Service and Repairs
section of Chapter 3 -- Engine).
Remove air intake box from top of radiator assembly
5.
Thoroughly clean tapered surfaces of fan motor
shaft and fan hub. Position fan hub (with fan attached)
ontomotorshaftandsecurewithflatwasher(item5)and
hex nut (item 6). Torque nut from 27 to 33 ft--lb (37 to
5.
secure fan hub and fan assembly to fan motor.
Remove hexnut(item6)andflatwasher(item5)that
44
N--m).
6.
Air Cleaner Installation in the Service and Repairs sec-
tion of Chapter 3 -- Engine).
Install air intake box to top of radiator assembly (see
6.
tached) from fan motor shaft taking care to not damage
fan. Position fan assembly away from fan motor.
Use suitable puller to remove fan hub (with fan at-
7.
8.
Lower and secure hood.
7.
Put caps or plugs on fittings and hoses to prevent con-
tamination. Tag hydraulic lines for proper assembly.
Disconnect hydraulic hoses from cooling fan motor.
Fill reservoir with new hydraulic fluid as required.
8.
two (2) socket head screws (item 1) and lock nuts (item
Support fan motor to prevent it from falling. Remove
11)
9.
that secure fan motor to fan motor bracket.
Carefully lower fanmotor andremove frommachine.
10.If
hydraulic fittings are to be removed from fan motor,
mark fitting orientation to allow correct assembly. Re-
move fittings from motor and discard O--rings.
Groundsmaster 5900/5910
Page 4 -- 139
Hydraulic System
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