Removal (Fig. 98)
Park machine on a level surface, lower cutting
decks, stop engine, apply parking brake and remove
key from the ignition switch.
Installation (Fig. 98)
1.
1. If fittings were removed from steering cylinder, lubri-
cate and place new O--rings onto fittings. Install fittings
intocylinderportsusingmarksmadeduring theremoval
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
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
2.
joints. Also, clean ball joint bores of rear axle assembly
and steering spindle.
Thoroughly clean tapers on steering cylinder ball
3.
steering cylinder removal, thoroughly clean exterior of
cylinder, fittings and hoses.
To prevent contamination of hydraulic system during
3.
Position steering cylinder to machine.
NOTE: To ease assembly, label all hydraulic hoses to
identify their correct position on the steering cylinder.
4. Secure steering cylinder to rear axle and steering
spindle with slotted hex nuts (items 1 and 8). Torque
slotted hex nuts from 30 to 45 ft--lbs (41 to 61 N--m)
while aligning ball joint hole with slot in nut. Insert cotter
pins.
4.
Disconnect hydraulic hoses from steering cylinder
fittings. Put caps or plugs on fittings and hoses to pre-
vent contamination. Tag hydraulic lines for proper as-
sembly.
5.
vent contamination.
Remove caps or plugs placed during removal to pre-
5.
8)
Removecotterpinsandslottedhexnuts(items1and
that secure the cylinder ball joints to rear axle and
steering spindle.
6. Using tags placed during cylinder removal, correctly
attach hydraulic hoses tosteering cylinder (seeHydrau-
licHoseandTubeInstallationintheGeneralInformation
section of this chapter).
6.
Separate ball joints from rear axle and steering
spindle. Remove steering cylinder from machine.
7.
If hydraulic fittings are to be removed from steering
7.
Fill reservoir with new hydraulic fluid as required.
8. Lubricate cylinder ball joint grease fittings.
After assembly is completed, operate steering cylin-
cylinder, mark fitting orientation to allow correct assem-
bly. Remove fittings from steering cylinder and discard
O--rings from fittings.
9.
der to verify that hydraulic hoses and fittings do not con-
tact any machine components.
Groundsmaster 5900/5910
Page 4 -- 135
Hydraulic System
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