Toro Groundsmaster 4500-D Service Manual page 159
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Also See for Groundsmaster 4500-D:
- Service manual (474 pages) ,
- Operator's manual (92 pages) ,
- Installation instructions manual (28 pages)
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Removal (Fig. 101)
1. Park machine on a level surface, lower cutting
decks, stop engine, engage parking brake and remove
key from the ignition switch.
2. Read the General Precautions for Removing and
Installing Hydraulic System Components at the begin-
ning of the Service and Repairs section of this chapter.
3. To prevent contamination of hydraulic system during
steering cylinder removal, thoroughly clean exterior of
steering cylinder.
4. Remove hydraulic hoses from steering cylinder. La-
bel the hydraulic hoses to show their correct position on
the steering cylinder for assembly purposes.
5. Put caps or plugs on disconnected hoses and fittings
to prevent contamination.
6. Remove cotter pins, slotted hex nuts, axle washer
and ball joint spacer from the threaded ends of ball
joints. Remove steering cylinder with ball joints from ma-
chine.
7. If necessary, remove ball joints from steering cylin-
der.
8. If hydraulic fittings are to be removed from steering
cylinder, mark fitting orientation to allow correct assem-
bly. Remove fittings from cylinder and discard O--rings.
Groundsmaster 4500--D/4700--D
Installation (Fig. 101)
1. If fittings were removed from steering cylinder, lubri-
cate and place new O--rings onto fittings. Install fittings
into cylinder ports using marks made during the removal
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
2. If removed, press ball joints into lift cylinder and se-
cure with retaining ring.
3. Slide ram end ball joint through hole on steering arm.
Secure with axle washer and slotted hex nut. Slide fixed
end of cylinder through hole on axle. Install spacer onto
ball joint and secure with slotted hex nut. Torque slotted
hex nuts from 100 to 125 ft- -lbs (136 to 169 N- -m) prior
to inserting cotter pins.
4. Remove caps and plugs from disconnected hoses
and fittings.
5. Install hydraulic hoses to steering cylinder (see Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
6. Fill reservoir with hydraulic fluid as required.
7. After assembly is completed, operate steering cylin-
der to verify that hydraulic hoses and fittings are not con-
tacted by anything.
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