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(4). Cutting Wheel UP/DOWN Lever Pull to raise cutting
wheel. Push to lower cutting wheel.
(5). Tongue IN/OUT Lever Pull to retract cutting wheel in
(away from stump). Push to extend cutting wheel out
(toward stump).
(6). Cutting Wheel SWING Lever Pull to move cutting
wheel to the left. Push to move cutting wheel to the right.
(7). Cutting Wheel Engagement Switch: To engage the
cutter wheel, flip up the red safety and turn toggle switch
in the "ON" position.
(8).Engine Throttle: To increase or decrease engine rpm's
press up to increase the engine rpm, or down to decrease
the engine's rpm's on the switch.
Other Machine Components
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11
Telescoping Tongue Lock-Pin
Lock-pin (10) must be removed prior to operation to allow
the tongue to extend and retract. It may be stored in the
hole shown (11) when not in use. The lock-pin must then
be reinserted as shown prior to transporting the unit. Always
insert retaining pin into hole in end of lock-pin.
Cutting Boom Lock Pin
14
The cutting boom lock pin prevents the cutting boom from
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10
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RG74DXH Operator · Service · Maintenance Manual
settling during transportation and when the machine is not in
use. The pin is installed by the following procedure:
1. With the pin (13) removed, raise the cutting wheel to its
full height, so that the lock pin holes are aligned.
2. Align the pin into the keyhole in the cutting boom and
insert. Rotate the pin to make sure it is securely installed.
To remove the pin, rotate until pin is aligned with the keyhole
and pull out. Store the pin on the engine mount in space
provided (14).
Trailer Hitch
The trailer hitch provides a means of securing the machine
to a towing vehicle (most commonly, a pickup truck) in such
a way as to allow for a wide range of pivoting due to turning,
uneven ground, and hills. See the "Transporting the Machine"
section for instructions on how to use it.
Safety Chains
The safety chains provide a backup to the hitch. See the
"Transporting the Machine" section for instructions on how
to use them.
Electric Cable Receptacle
The electric cable receptacle (12) is a quick-connect station
to enable operating brakes and tail lights in conjunction with
those of the towing vehicle.
Operation
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