Graco GrindLazer 25P474, Operation - Repair - Parts

Page: 17 / 74

Operation
3A7600C 17
Operation
Machine Start Up (Gas &
Propane)
1. Turn DCS Power Switch ON.
2. Verify the Forward/Reverse Control Lever is in the
neutral (N) position.
3. Place the throttle control at the idle position.
4. Start the engine.
5. Move throttle control to open or run position when
engine is warmed up.
6. Increase throttle to optimal machine operating
position.
NOTE: Engine speed for all drum assemblies is
3450 RPM.
7. Before removal, run the drum with the cutters not
touching the work surface. If there is excessive
vibration, re-balance the cutter setup, check bearing
condition, and/or make sure the drive shaft is
secured.
If the Engine Does Not Start
• Turn the ON/OFF Switch on the Control Panel to ON.
• Check engine for proper gas and oil levels.
• Check the spark plug. Make sure socket areas are
clean and clear of debris, and the proper gap is set.
Replace if needed.
• Check the corded Engine Kill Button’s connections.
Make sure the corded safety stop “C” connector is
properly inserted into the Engine Kill Button.
Machine Start Up (Electric)
1. Turn motor ON/OFF switch to OFF .
2. Verify the Forward/Reverse Control Lever is in the
neutral (N) position.
3. Plug the machine in to the electrical source.
4. Turn motor ON/OFF switch to ON .
5. Before operating, run the drum with the cutters not
touching the work surface. If there is excessive
vibration, re-balance the cutter setup, check bearing
condition, and/or make sure the drive shaft is
secured.
If the Motor Does Not Start
• Make sure the motor is plugged into the electrical
source.
• Turn motor ON/OFF switch to ON.
Do not start machine while cutter head is in contact
with the work surface. Doing so can cause the
operator to lose control of the machine, resulting in
property damage and/or personal injury.
Electric: To avoid injury from unexpected movement,
ensure Power Switch is in the OFF position before
connecting or disconnecting the power cord. In the
event of a power failure or interruption, ensure Power
Switch is in the OFF position before restoring power.
NOTICE
Make sure motor is rotating in the correct direction.
Look for clockwise rotation on the right side of the
machine at drum end shaft by turning on and off
quickly. Incorrect rotation will damage hydraulic pump
and could damage cutters if contact is made with the
work surface. If rotation is incorrect, exchange posi-
tions of two power wires at the plug. Do not loosen or
move the ground wire at the plug.