Setting Up Rotary Disc Pull-Type Hitch; Installing Drawbar Hitch Adapter - MacDon R1 Series Operator's Manual

3.6 Setting up Rotary Disc Pull-Type Hitch

MacDon R1 Series Rotary Disc Pull-Types are factory-fitted with either a drawbar or a two-point hitch. Your Dealer will have
installed the proper hitch adapter for your tractor.

3.6.1 Installing Drawbar Hitch Adapter

The hitch adapter allows the drawbar to connect with the hitch casting.
IMPORTANT:
The hitch adapter is compatible with Category 2, 3, and 4 hitches only. Do NOT attempt to modify any other type of hitch
and hitch adapter to make them fit together.
DANGER
To prevent injury or death from the unexpected startup of the machine, stop the engine and remove the key from the
ignition before you make adjustments to the machine.
1. Shut down the engine, and remove the key from the ignition.
2. To install Category 3 drawbar hitch adapters:
a. Remove hairpin (A) and pin (B).
b. If necessary, loosen four top jam nuts (C), and then
loosen four lower nuts (D) so that hitch adapter (E) will
slide onto tractor drawbar (F).
c. Align the hole in adapter (E) with the hole in
drawbar (F) and install pin (B).
d. Secure the pin with hairpin (A).
e. Gradually tighten four nuts (D) to 540 Nm (400 lbf·ft).
NOTE:
Ensure hardened washers and Class 10 nuts (supplied
with the adapter) are used.
f. Tighten four jam nuts (C).
3. To install Category 4 drawbar hitch adapters:
a. Remove hairpin (A) and pin (B).
b. If necessary, loosen four nuts (C) so that hitch
adapter (D) will slide onto tractor drawbar (E).
c. Align the hole in adapter (D) with the hole in
drawbar (E) and install pin (B).
d. Secure pin (B) with hairpin (A).
e. Tighten four nuts (C) to 540 Nm (400 lbf·ft).
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OPERATION
C
D
Figure 3.18: Category 3 Drawbar Hitch Adapter
Figure 3.19: Category 4 Drawbar Hitch Adapter
48
B
A
B
C A
E
F
D
E
Revision A