Hydraulic Control Manifold Service: Filtration And Charge Control - Toro Groundsmaster 4500-D Service Manual

Hydraulic Control Manifold Service: Filtration and Charge Control

60 to 70 ft- -lb
(81 to 95 N- -m)
2
3
1
15
14
PLUG TORQUE
SAE #4: 6 to 10 ft- -lb (8 to 13 N- -m)
SAE #5: 10 to 15 ft- -lb (13 to 20 N- -m)
SAE #6: 15 to 20 ft- -lb (20 to 27 N- -m)
SAE #10: 35 to 40 ft- -lb (48 to 54 N- -m)
1. Filter manifold assembly
2. Check valve (Reservoir return)
3. Seal kit
4. Check valve (Filter bypass)
5. Seal kit
6. Check valve (Charge pressure)
NOTE: The ports on the manifold are marked for easy
identification of components. Example: P2 is the gear
pump connection port and P1 is the connection from the
oil cooler (See Hydraulic Schematics to identify the
function of the hydraulic lines and cartridge valves at
each port).
For cartridge valve service procedures, see Hydraulic
Control Manifold Service: 2 Wheel/4 Wheel Drive Con-
trol in this section. Refer to Figure 66 for cartridge valve
installation torque.
Hydraulic System (Rev. A)
35 to 40 ft- -lb
(47 to 54 N- -m)
4
5
11
7. Seal kit
8. Plug (SAE #4)
9. O- -ring
10. Plug (SAE #6)
11. O- -ring
6
10
Figure 66
Page 4 - - 74
7
11
12
10
13
9
8
12
8
16
12. Plug (SAE #5)
13. O- -ring
14. Plug (SAE #10)
15. O- -ring
16. Oil filter element
Groundsmaster 4500--D/4700--D