Groundsmaster 4100--D/4110--D Hydraulic SystemPage 4 -- 113
Removal (Fig. 77)
1. Park machine on a level surface,lowercuttingdeck,
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 this section.
3. Topreventcontaminationofhydraulicsystemduring
steering cylinder removal, thoroughly clean exterior of
cylinder and fittings.
NOTE: Toeaseinstallation,labelthehydraulichosesto
show their correct position on the steering cylinder.
4. Remove hydraulic hoses from steering cylinder.
5. Remove cotter pins, hex slotted nuts, axle washer
and ball joint spacer from the threaded ends of ball
joints.
6. Separate steering cylinder ball joints from rear axle.
Removesteeringcylinder with ball joints from machine.
7. If hydraulic fittings are to be r emoved from steering
cylinder, mark fittingorientation to allow correct assem-
bly. Remove fittings from cylinder and discard O--r ings.
8. If needed, remove ball joints from steering cylinder.
Installation (Fig. 77)
1. If removed, install ball joints into steering cylinder.
2. If fittings were removed from steering cylinder, lubri-
cate and place new O--rings onto fittings. Install fittings
intoportopeningsusingmarksmadeduringtheremoval
process to properly orientate fittings. Tighten fittings
(see Hydraulic Fitting Installation in the General Infor-
mation section of this chapter).
3. Thoroughly clean tapered surfaces of ball joints and
axle bores.
4. Slide rod end ball jointthroughhole on steering arm.
Secure with axle washer and hex slotted nut. Slide bar-
rel end ball joint through hole on axle. Secure with ball
jointspacerandslottedhexnut.Torqueslottedhexnuts
to 100 ft--lbs (135 N--m) and then continue tightening
the nut until hex nutgroove aligns with cotter pin hole in
ball joint (final torque on hex nuts should be from 100 to
125 ft--lb (136 to 169 N--m)). Install cotter p in to nut and
ball joint.
5. Usinglabelsplacedduringcylinderremoval,proper-
ly install hydraulic hoses to steering cylinder (see Hy-
draulic Hose and Tube Installation in the General
Information section of this chapter).
6. Fill reservoir with hydraulic fluid as required.
7. After assemblyiscompleted,operate steering cylin-
dertoverifythathydraulichosesandfittingsarenotcon-
tacted by anything.
Hydraulic
System
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