Toro 09172SL Models 30857 30858 Groundsmaster 4500 D 4700 D Service Manual

Removal (Fig. 94)
50
(68
ft--lb
N--m)
NOTE:  The ports on the manifold are marked for easy
identification of components. Example:  P1 is the gear
pump  connection port  (see Hydraulic  Schematics  in
Chapter 9 -- Foldout Drawings to identify the function of
the hydraulic lines and cartridge valves at each port).
UP
2
2
1
2
2
1.
Park  machine  on  a  level  surface,  lower  cutting
3
decks, stop  engine, apply parking  brake and remove
key from the ignition switch.
2
2.
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
Read the  General Precautions  for Removing  and
6
2
4
5
3.
4.
fan control manifold removal, thoroughly clean exterior
of manifold.
Unlatch and raise hood.
Figure 95
To prevent contamination of hydraulic system during
1.
2.
3.
O--ring
4.
Dust cap
Test fitting
O--ring
Straight fitting (7 used)
O--ring
5.
6.
5.
to manifold solenoid coils. Disconnect connectors from
the solenoid coils.
Label wire harness electrical connectors that attach
6.
caps or plugs on open hydraulic lines and fittings. Label
disconnected hydraulic lines for proper assembly.
Disconnect hydraulic  lines  from manifold  and put
7.
Remove hydraulic  manifold  from the  frame using
Figure 94 as guide.
8.
Ifhydraulicfittingsaretoberemovedfromfancontrol
manifold,markfittingorientation  toallowcorrectassem-
bly (Fig. 95). Remove fittings from manifold and discard
O--rings.
Installation (Fig. 94)
1.
If fittings were removed from fan control manifold, lu-
bricate and place new  O--rings onto fittings. Install fit-
tings into manifold ports using marks made during the
removal process to  properly orientate fittings. Tighten
fittings (see Hydraulic Fitting Installation in the General
Information section of this chapter). Refer to Figure 95
for fitting installation torque.
2.
94
Install hydraulic manifold to the frame using Figure
as guide.
3.
Remove caps  and  plugs from  fittings and  hoses.
Properly connect hydraulic  lines to manifold (see  Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
4.
Connect wire  harness electrical connectors  to the
solenoid valves.
5.
Lower and secure hood.
Groundsmaster 4500--D/4700--D
Page 4 -- 115
Hydraulic System
Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 298 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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Document File TypePDF
Publishertoro.com
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