Textron JACOBSEN GP400, Technical/Repair Manual

Page: 251 / 354

HYDRAULICS
4252490-Rev A 6-59
6
!
CAUTION
• Apply anti-seize compound to screws (2, 9, and 12)
prior to installation. Do not overtighten these screws
or tank may crack and cause a leak.
• Ensure 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 oil tank. (Refer to “Parts and
Maintenance Manual” for correct oil specifications.)
• Start engine. Check hydraulic oil tank for leaks and
repair as necessary.
• Check hydraulic oil level and add if necessary.
Hydraulic Oil Charge Filter Assembly
Removal and Installation
See Figure 6-75.
1. Park the mower safely. (See “Park Mower Safely” on
page 1-6.)
2. Remove seat and seat plate. (See “Seat and Seat
Plate” on page 9-15.)
3. Drain hydraulic oil tank. (See “Hydraulic Oil Tank—
Drain Procedure” on page 6-42.)
4. Thoroughly clean the hydraulic oil charge filter
assembly, especially the area surrounding the
hydraulic hoses, tubes, and fittings.
Figure 6-75
NOTE
Label wire connectors before disconnecting to ensure
correct installation.
5. Disconnect wire connector (4).
NOTES
• Label all hydraulic hoses and tubes before
disconnecting to ensure correct installation.
• Close all openings with caps or plugs to prevent
contamination.
6. Disconnect hydraulic hose (5).
7. Disconnect tee fitting (1).
8. Support the hydraulic oil charge filter assembly (6).
NOTE
Note the orientation of the hydraulic oil charge filter head
before removing to ensure correct installation.
9. Remove four screws (2) and lock washers (3).
10. Remove oil filter assembly (6).
Installation Notes
• Install hydraulic oil charge filter assembly by
reversing the order of removal.
• 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.
• When connecting fittings to the tank, be sure
to hold the tank fitting with the proper
wrench. If the proper wrench is not used, the
fitting in the tank might break loose from the
plastic and cause it to leak.
• Do not overtighten screws to tank or tank
may crack and cause a leak.
TN3784
5
6
4
2 3
2 3
1