Toro 08159SL Groundsmaster 5900 5910 Service Manual

4WD Control Manifold Service
3
20 ft--lb
(27 N--m)
50
(67
ft--lb
N--m)
20
(27
ft--lb
N--m)
2
2
0 ft--lb
4
(27
N--m)
1
5 ft--lb
(6.7 N--m)
UP
5
6
2
5 ft--lb
UP
(33
N--m)
7
35
(47
ft--lb
N--m)
75
(101
ft--lb
N--m)
12
3
0 ft--lb
13
4
(40
N--m)
8
9
14
20
(27
ft--lb
N--m)
2
50
(67
ft--lb
N--m)
20
(27
ft--lb
N--m)
11
9
20
(27
ft--lb
N--m)
50
(67
ft--lb
N--m)
10
Figure 66
1.
2.
3.
4.
5.
Orifice (0.040) (OR2)
Plug with O--ring
NWD #6 plug with O--ring
NWD #8 plug with O--ring
Solenoid valve (SV)
6.
Solenoid coil
Nut
11. Orifice (0.030) (OR1)
12. Relief valve (RV)
13. Pressure valve (PR)
14. Directional pilot valve (PD1)
7.
8.
9.
Check valve (CV)
NWD #4 plug with O--ring
10. Directional pilot valve (PD2)
NOTE:  The ports  on  the 4WD  control  manifold  are
marked for easy identification ofcomponents. Example:
P1 is the pump supply port for the forward direction and
RV is  the location  for the  relief valve  (see Hydraulic
Schematic in Chapter 10 -- Foldout Drawings to identify
the function of the hydraulic lines and cartridge valves
at each port).
NOTE:  The 4WD  control  manifold  includes  several
zero leak NWD plugs. These plugs have a tapered seal-
ing surface on the plug head that is designed to resist
vibration induced plug loosening.  The zero leak plugs
also have an O--ring as a secondary  seal. If zero leak
plug removal is necessary, lightly rap the plug head us-
ing a punch and hammer before using an allen wrench
toremovetheplug:theimpactwillallowplugremovalwi-
th less chance ofdamage to the socket head of the plug.
Wheninstallingplugs,refertoFigure66forpluginstalla-
tion torque.
Valve Cartridge Service (Fig. 66)
For solenoid and control valve service procedures, see
Hydraulic Traction Control Manifold Service in this sec-
tion. Refer to Figure 66  for 4WD control manifold car-
tridge valve and plug installation torque.
IMPORTANT: An orifice is placed beneath the plugs
in the control manifold OR1 and OR2 ports. If one of
theseplugsisremoved,makesuretoremoveorifice
and label its position for assembly purposes.
Hydraulic System
Page 4 -- 92
Groundsmaster 5900/5910
Product Specification
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- 374 pages
Document TypeService Manual
LanguageEnglish
Product BrandToro. Customer Service Representatives are available by phone: Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
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