user manual

Groundsmaster 4100--D Hydraulic SystemPage 4 -- 99
Removal (Fig. 67)
1. Park machineon alevels urface, lowercutting deck,
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
andballjointspacerfromthethreadedendsofballjoints
(Fig. 67). Remove steering cylinder with balljoints from
machine.
6. If hydraulic fittings are to be removed from steering
cylinder, mark fittingorientation to allowc orrect assem-
bly. Remove fittings from cylinder and discard O--rings.
7. If needed, remove ball joints from steering cylinder.
Installation (Fig. 67)
1. If removed, install ball joints into steering cylinder.
2. If fittings were removedfrom steering cylinder, lubri-
cate and place new O--r ings 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.
Securewithaxlewasherandhex slottednut.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.
5. Fill reservoir with hydraulic fluid as required.
6. After assemblyis completed,operate steering cylin-
dertoverifythathydraulichosesandfittingsarenotcon-
tacted by anything.
Hydraulic
System