MacDon HC10, Setup, Operation, And Parts Manual

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3.3 Installing the Rock Grate
The rock grate helps prevent rocks from feeding into the conditioner rolls.
1. Unpack the feed deck / rock grate bundle MD #B4799.
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Figure 3.6: Rock Grate
2. Position rock grate (A) between the drapers.
3. Lift rock grate (A) and position rear tabs (C) so they slide
over the header leg flanges.
4. Position front lip (B) of rock grate (A) in front of the bottom
edge of the cutterbar and slide forward so it engages the
cutterbar.
5. If the header is equipped with a cutterbar wearplate, set
the rock grate on top of the wearplate in front of the
cutterbar, then push down and forward to seat the rock
grate onto the cutterbar.
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Figure 3.7: Rock Grate
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Left Side
6. Retrieve two 1/2 in. flange nuts and two 1/2 x 1 1/4 in.
carriage bolts from the loose parts package shipped with
MD #B4799.
7. Ensure rock grate is completely pushed forward, and secure
with two 1/2 x 1 1/4 in. carriage bolts installed from below
and two 1/2 in. flange nuts (A).
8. Tighten both nuts (A).
UNLOADING AND ASSEMBLY