6-52 4252490-Rev A
HYDRAULICS
6
Installation Notes
• Install sequence valve by reversing the order of
removal.
• Make sure new O-rings are in place before installing
hoses on fittings.
• Replace hydraulic oil charge filter. (See “Hydraulic
Oil Charge Filter Assembly” on page 6-59.)
• Refill hydraulic tank. (Refer to “Parts and
Maintenance Manual” for correct oil specifications.)
• Start engine. Check hydraulic system for leaks.
Repair as necessary.
• Check hydraulic oil level and add if necessary.
Center Lift Cylinder
Removal and Installation
See Figures 6-58 through 6-60.
!
CAUTION
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove grass catchers (if equipped).
NOTE
Do not swing the arm out or in with cutting units in the
lowered position.
3. Raise the cutting units.
Figure 6-58
4. Remove lynch pin (2) and release latch (3).
5. Grasp handle (1), and swing the rear swing arm (4)
and cutting unit out.
6. Lower the cutting units.
Figure 6-59
Figure 6-60
NOTES
• Label all hydraulic hoses and tubes before
disconnecting to ensure correct installation.
• Close all openings with caps or plugs to prevent
contamination.
7. Disconnect hydraulic hoses (11 and 12) from lift
cylinder (7).
Care must be taken to avoid damaging the
surface of the cylinder rod during removal and
installation.
1
TN3719
2
3
4
TN3791
7
9
11
12
8
5
13
10
6
TN3792
6
14
5
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