Groundsmaster 4500--D/4700--D Page 7 -- 9 Chassis
5. Loosen and remove lock nut (item 11) from lift arm
pivot pin.
6. Supportliftarmand pull liftarmpivotpinfrom lift arm
and frame. Locate and remove thrust washer from rear
of lift arm during pivot pin removal.
7. Removeliftarmfrommachine(seeCuttingDeckOp-
erator’s Manual).
8. Disassemble lift arm as needed using Figure 7 as a
guide.
9. Clean lift arm and pivotpin.Inspectliftarmbushings
andpivotpinfordamageorwear.Replacew ornordam-
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. Installandtighten locknut(item11) tosecureliftarm
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 foreither deck #4 or #5was removed, slide
hydraulic hoses through the hose r etaining loop on the
liftarm.Removecapsandplugsfromhosesandfittings
and install hoses to the deck motor (Fig. 9). Make sure
thatdeckisfullyloweredtothegroundbeforetightening
hoses.
7. Lubricate lift arm andliftcylindergreasefittingsafter
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
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