Specifications

7500 MACHINE CONTROLS
10
ENGINE CONTROLS - Refer to engine manufacturers owners’ manual for controls, operation,
and service.
• Start the engine using the key switch
located on the lower left hand side of the
swing-out control panel. Press and hold
the Murphy By-Pass while turning the
key switch. Run the engine a few
minutes to allow the oil to circulate
before starting to operate the functions.
DO NOT OPERATE THE ENGINE
AT AN ANGLE GREATER THAN
25° OR SEVERE ENGINE DAMAGE
WILL OCCUR. PROPER ENGINE
OIL LEVEL MUST BE MAINTAINED
TO ACHIEVE MAXIMUM ANGLE
OF OPERATION OF 25°. (See Engine
Owner’s Manual for proper oil level.)
HYDRAULIC CONTROLS
• A series of hydraulic controls are located
on the machine and are clearly marked.
• Lever 1 – Cutter Wheel (Lift)
(Shown as CUTTER HEAD –RIGHT/LEFT on
radio transmitter.)
This lever operates the cutter head lift
function, which raises and lowers the
cutter head.
• Lever 2 – Tongue
This lever operates the tongue extension
function, which moves the machine
toward the stump and pulls the machine
back away from the stump.
• Lever 3 – Boom Travel (Swing)
(Shown as CUTTER HEAD –RIGHT/LEFT on
radio transmitter.)
This lever operates the cutter head swing
function, which swings the boom back
and forth in a left-right-left-right-left…
motion.
LEVER 1 LEVER 2 LEVER 3
OIL PRESSURE, OIL
TEMPERATURE, AND
ALTERNATOR GAUGES
ALSO PROVIDED
MURPHY BY
-
PASS
KEY SWITCH