6-56 673831-Rev A
HYDRAULICS
6
Installation Notes
• Install the rear reel valve by reversing the order of
removal.
• Make sure new O-rings are in place before installing
hoses on fittings.
• Tighten pressure tube fitting (8) to 80 lb-ft
(108.5 N·m)
• Tighten charge tube fitting (6) and reel tube fittings
(4) to 60 lb-ft (81.4 N·m).
• Tighten pressure tube (7) to 33 lb-ft (45 N·m).
• Tighten charge pressure tube (5) to 65 lb-ft (88 N·m).
• Tighten reel tubes (2 and 3) to 33 lb-ft (45 N·m).
• Replace hydraulic oil charge pressure filter. (See
“Charge Pressure Filter” on page 6-58.)
• Refill hydraulic tank. (Refer to “Safety, Operation, and
Maintenance Manual” for oil specifications.)
• Start engine. Check hydraulic system for leaks.
Repair as necessary.
• Check hydraulic oil level and add if necessary.
Front Reel Valve
Removal and Installation
See Figure 6-60.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove the operator’s platform.
3. Drain hydraulic oil tank. (See “Hydraulic Oil Tank—
Drain Procedure” on page 6-49.)
4. Thoroughly clean the valve, especially the area
surrounding the hydraulic hoses, tubes, and fittings.
Figure 6-60
Label connectors before disconnecting to ensure correct
installation.
5. Disconnect electrical connectors (1) from solenoid.
• Label all hydraulic hoses and tubes before
disconnecting to aid in installation.
• Close all openings with caps or plugs to prevent
contamination.
6. Disconnect front reel hoses (2 and 3).
7. Remove two straight fittings (4).
8. Disconnect the return tube (5).
9. Remove straight fitting (6).
10. Disconnect pressure tube (7).
11. Remove straight fitting (8).
12. Remove mounting screws (9), lock washers (10) and
flat washers (11).
13. Remove the rear reel valve (12).
Installation Notes
• Install the front reel valve by reversing the order of
removal.
• Make sure new O-rings are in place before installing
hoses on fittings.
• Tighten pressure tube fitting (8) to 80 lb-ft
(108.5 N·m)
• Tighten return tube fitting (6) and reel tube fittings (4)
to 60 lb-ft (81.4 N·m).
• Tighten pressure tube (7) to 33 lb-ft (45 N·m).
• Tighten return tube (5) to 65 lb-ft (88 N·m).
• Tighten reel tubes (2 and 3) to 33 lb-ft (45 N·m).
• Replace hydraulic oil charge pressure filter. (See
“Charge Pressure Filter” on page 6-58.)
• Refill hydraulic tank. (Refer to “Safety, Operation, and
Maintenance Manual” for oil specifications.)
• Start engine. Check hydraulic system for leaks.
Repair as necessary.
• Check hydraulic oil level and add if necessary.