Groundsmaster 4000--D/4010--D Hydraulic SystemPage 4 -- 115
Removal (Fig. 87)
1. Park machine on a level surface, lower cutting
decks, stop engine, apply 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. Topreventcontaminationofhydraulicsystemduring
cylinder removal, thoroughly clean exterior of cylinder
and fittings.
NOTE: To ease installation, tag the hydraulic hoses to
show their correct position on the steering cylinder.
4. Remove hydraulic hoses from steering cylinder.
5. Remove cotter pins, slotted hex nuts, axle washer
and ball joint spacer from the threaded ends of ball
joints.Removesteeringcylinderwithballjointsfromma-
chine.
6. 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--rings.
7. If needed, remove ball joints from steering cylinder.
Installation (Fig. 87)
1. If removed, install ball joints into steering cylinder.
2. Iffittings 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. Slideramendballjointthroughholeonsteeringarm.
Securewithaxlewasherandhexslottednut.Slidefixed
endofcylinderthroughholeonaxle.Securewithslotted
hexnut.Torqueslottedhexnutsto100ft--lbs(135N--m)
andthencontinuetighteningthenutuntilhexnutgroove
aligns with cotter pin hole in ball joint. Install cotter pin
to nut and ball joint.
4. Install hydraulic hoses to steering cylinder (see Hy-
draulic Hose and Tube Installation in the General Infor-
mation section of this chapter).
5. Fill reservoir with new hydraulic fluid as required.
6. Properlyfill hydraulic system (see Charge Hydraulic
System in this section).
7. Afterassembly is completed,operatesteering cylin-
dertoverifythathydraulichosesandfittingsarenotcon-
tacted by anything.
Hydraulic
System
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