3-12 4203780 First Edition
ENGINE
3
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Lower mowing decks to ground.
3. Allow the engine to cool completely.
4. Raise the hood.
Hydraulic Oil Cooler Removal
See Figures 3-16 and 3-17.
NOTE
Label all hoses before removing to ensure correct
installation.
1. Cycle the lift levers to relieve system of any hydraulic
pressure.
Figure 3-16
2. Disconnect hose (2) from fitting (1). Cap and plug
hose and fitting.
3. Disconnect hose (3) from fitting (4). Cap and plug
hose and fitting.
4. Remove the two wing nuts (8), lock washers (9), flat
washers (5), hydraulic oil cooler spacers (6), and
screws (7).
Figure 3-17
5. While supporting the hydraulic oil cooler, remove the
two lock nuts (10), flat washers (11), and hydraulic oil
cooler spacers (12).
6. Remove the hydraulic oil cooler (13).
Installation Note
Install the hydraulic oil cooler by reversing the order of
removal.
Radiator Removal
See Figures 3-18 through 3-20.
NOTES
• It is not necessary to remove the hydraulic oil cooler
to remove the radiator.
• Loosen wing nuts securing hydraulic oil cooler in
place and tilt out of the way.
!
WARNING
1. Drain cooling system, 8 qt (7.6 L).
a. Open access door at bottom of radiator.
b. Open petcock, remove radiator cap, and drain
coolant into a clean container.
1
2
3
4
9
8
6
5
7
TN2006
Never remove the radiator cap when the coolant
is hot. The engine must be shut down and cooled
before the radiator cap is removed. Very hot
coolant will be sprayed from the radiator if the
cap is loosened before the engine has cooled.
Serious personal injury can occur.
12
10 11
13
TN2015
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