HYDRAULICS
4252490-Rev A 6-61
6
Hydraulic Oil Cooler Assembly
(Gasoline)
Removal and Installation
See Figures 6-78 through 6-81.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Disconnect the negative (–) battery cable from the
battery.
3. Drain hydraulic oil tank. (See “Hydraulic Oil Tank—
Drain Procedure” on page 6-42.)
Figure 6-78
4. Release latch (2).
5. Slide screen (1) toward the rear of the machine, and
remove the screen.
Figure 6-79
6. Remove two nuts (5), washers (4), and clips (6), and
remove the top screen retainer bracket (3).
7. Remove two nuts (9) and washers (8), and remove
the bottom screen retainer bracket (10).
8. Thoroughly clean the valve, especially the area
surrounding the hydraulic hoses, tubes, and fittings.
NOTES
• Label all hydraulic hoses and tubes before
disconnecting to ensure correct installation.
• Close all openings with caps or plugs to prevent
contamination.
9. Disconnect hydraulic hoses (11 and 16).
10. Remove four screws (14) and washers (13), and
remove oil cooler (18) and four mounting blocks (15).
NOTE
Record the location and orientation of fittings before
removing to ensure correct installation.
11. Remove fittings (12 and 17) from oil cooler (18).
TN3853
2
1
TN3858
4
3
5
6
5
4
6
18
7
17
16
11
8
9
10
8
9
12
15
13
14
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