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MAINTENANCE
BRUSH REPLACEMENT
a) Stop tractor engine, set parking brake and
remove ignition key.
b) Remove the 1/2" x 1 3/4" bolt (fig.1, item
1) from each broom side plate (fig.1, item
2) and remove the eight bolts (fig.1, item
3) which secures each side plate to broom
housing.
c) Remove broom side plates with retainer cups
(fig.2, item 1), worn brushes and spacer
rings.
d) Place one concave slanted brush (fig.2,
item 2) on each side of gearbox facing each
other, and install a zigzag brush (fig.2,
item 3) next to each slanted brush [placing
pins (fig.2, item 4) inside the brush against
the concave brush]. Install a spacer ring
(fig.2 , item 5) next to the zigzag brush
and place another zigzag brush with the pins
away from the spacer ring [important: pins
inside the zigzag brushes must all be
positioned on the same brush support cone
(fig.2, item 6)]. Place another spacer
ring and a zigzag brush with the pins
(fig.2, item 4) on the spacer ring side
and so on, spacing brushes with spacer
rings. Must end with a zigzag brush with
the pins towards the gear box or check
figure 2 and redo pattern (fig.2, item 7).
IMPORTANT: Pins (f ig.2 , item 4) in zigzag brushes
must all be on same brush support cone (fig. 2 ,
item 6 ) .
e) Install the side plates with retaining cup
over each shaft end. Secure side plates
loosely with the two 1/2" x 1 3/4" bolts
(fig.1, item 1), lockwashers and flatwashers.
f) Install the eight 3/8" x 3/4" bolts (fig.1,
item 3) and lockwashers securing each side
plate. Torque all bolts.
OM 0180
FIGURE 1
FIGURE 2
12
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