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Groundsmaster 4000--DPage 7 -- 10Chassis
Rear Arm Installation (Fig. 8)
1. Position rear arm assembly to cutting deck and
frame.
2. Slidepivotshaft through rear arm clevisandhub.Se-
cure pivot shaft with lock washer and lock nut.
3. Connect damper link to cutting deck with clevis pin
and hair pin (Fig. 9).
4. Position spacers on both sides of rod end of rear arm
assembly. Secure rod end of rear arm assembly to deck
mount with cap screw and lock nut.
5. Lubricate rear arm grease fittings.
6. Align cutting deck to traction unit as follows:
A. Make sure the machine is on a level, hard sur-
face.
B. Place a square or straight edge against the deck
weldment that contains the castor fork assembly
(Fig. 10). Do not use the castor fork assembly itself.
C. Measure from the inset bead of the rim (not the
outer edge oftherim)tothestraight edge at two loca-
tions as indicated in Figure 10. Rim and paint irregu-
larities make the rim outeredgeanunreliable point of
measure. These two measurements should be the
same within a tolerance of 1/8” (3 mm).
D. Rotate spring shaft (item 12) in rear arm assem-
bly until correct dimension is attained. Shaft should
rotate freely inside the assembly. All adjustments
must be made with the rod end of the rear arm bolted
to the deck.
E. Raise and lower the deck and recheck dimen-
sions for correct alignment.
F. When deck is properly aligned to traction unit,
tighten rod end jam nut (item 9).
NOTE: Due to differences in grass conditions and the
counterbalance setting of traction unit, it is advised that
grass be cut and appearance c hecked before formal
cutting is started. Refer to Operator’s Manual for cor-
recting cutting deck mismatch procedures.
Figure 10