Service Manual

Greensmaster 3250--D
Hydraulic System (Rev. I)
Page 4 -- 72
Implement Relief Valve (Machines with Serial Number Under 220999999)
1. Hose assembly
2. Hose assembly
3. O--ring
4. 90
o
hydraulic fitting
5. Tee hydraulic fitting
6. Lock nut
7. Cap screw
8. Flat washer
9. Mounting plate
10. Relief valve body
11. Relief valve cartridge
12. O--ring
13. O--ring
14. Back--up ring
15. O--ring
Figure 43
REAR
LEFT
RELIEF VALVE
4
6
7
5
1
8
2
15
3
3
3
9
11
12
13
14
10
20 ft--lb
(27 N--m)
Removal
1. Before removing any parts from the hydraulic sys-
tem, park the machine on a level s urface, engage the
parking brake, lower the cutting units, and stop the en-
gine.
CAUTION
Before continuing further, read and become fa-
miliar with General Precautions for Removing
and Installing Hydraulic System Components.
2. Label all hydraulic connections for reassembly.
3. Disconnect hose assemblies and O--rings from the
both hydraulic fittings. Allow hoses to drain into a suit-
able container.
4. Unscrew lock nuts from cap screws. Remove
screws and flat washers from the relief valve body and
mounting plate.
5. Remove tee fitting, 90
o
fitting, and O--rings from the
relief valve body.