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Groundsmaster 4500--D/4700--D Page 7 -- 9 Chassis
5. Loosen and remove lock nut (item 11) from lift arm
pivot pin.
6. Support lift armand pull lift arm pivot pin from liftarm
and frame. Locate and remove thrust washer from rear
of lift arm during pivot pin removal.
7. Removeliftarmfrommachine(seeCuttingDeck Op-
erator’s Manual).
8. Disassemble lift arm as needed using Figure 7 as a
guide.
9. Clean lift arm and pivot pin. Inspect lift arm bushings
and pivotpin fordamage orwear. Replaceworn ordam-
aged components.
Installation (Fig 7)
1. Assemble lift arm using Figure 7 as a guide.
2. Position lift arm to frame. Fit thrust washer (item 10)
between rear of lift arm and frame. Slide pivot pin into
frame and lift arm. Align roll pin in pivot pin with slot in
frame flange.
3. Install andtighten lock nut (item11) to securelift arm
pivot pin.
4. Install hydraulic lift cylinder to lift arm with cylinder
pin.Securecylinderpintoliftarmwithflangeheadscrew
and flange nut.
NOTE: Install thrust washer (item 33) on carrier pivot
shaft before installing cutting deck on pivot shaft.
5. Position and install cutting deck to lift arm (see Cut-
ting Deck Operator’s Manual).
6. If lift arm for either deck #4 or #5 was removed, slide
hydraulic hoses through the hose r etaining loop on the
lift arm. Remove caps and plugs from hoses and fittings
and install hoses to the deck motor (Fig. 9). Make sure
that deckis fully loweredto theground before tightening
hoses.
7. Lubricate lift arm and lift cylinder grease fittings after
assembly is complete.
8. After assembly, raise and lower the cutting deck to
verify that hydraulic hoses and fittings do not contact
anything.
Figure 8
#4 Deck #1 Deck #5 Deck
#7 Deck
(GM4700)
#6 Deck
(GM4700)
#3
Deck
#2
Deck
CUTTING DECK LOCATIONS
1. Supply hose
2. Return hose
3. Case drain hose
4. Hose retaining loop
Figure 9
2
4
1
3
Chassis