8
INSTALLATION
June 1999
96-8000
WARNING!
- A separate earth ground wire of the same conductor size as the input power is required to
be connected to the chassis of the machine. This ground wire is required for operator
safety and for proper operation. This ground may be supplied from the main plant ground,
a local cold-water-pipe, or ground rod adjacent to the machine.
- Do not connect to 480V, unless machine includes high voltage option.
- Maximum voltage leg-to-leg or leg-to-ground should not exceed 260 volts or 540 volts
for high voltage machines!
- The current requirements shown reflect the circuit breaker size internal to the machine.
This breaker has an extremely slow trip time. It may be necessary to size the external
service breaker up by 20-25% for proper operation.
AIR R EQUIREMENTS
The VMC requires a minimum of 100 PSI at 4 scfm at the input to the pressure regulator on the back of the
machine. This should be supplied by at least a one horsepower compressor, with a minimum 20-gallon tank,
that turns on when the pressure drops to 100 PSI.
Note: Add 2 scfm to the above minimum air requirements if the operator will be using
the air nozzle during pneumatic operations
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The recommended method of attaching the air hose is to the barb fitting at the back of the machine with a hose
clamp. If a quick coupler is desired, use a 1/4" for 40 taper machines, or a 3/8" for 50 taper machines and
machines with the side mount tool changer option.
NOTE: Excessive oil and water in the air supply will cause the machine to malfunction.
The air filter/regulator has an automatic bowl dump that should be empty
before starting the machine. This must be checked for proper operation
monthly. Also, excessive contaminants in the air line may clog the dump valve
and cause oil and/or water to pass into the machine.
NOTE: The nipple between the air filter/regulator and the Bijur oil lubricator (See
illustration in "Air Connection" section) reservoir tank below the control box on
the back of the machine is for the optional rotary table. DO NOT use this as
a connection for an auxiliary air line. Auxiliary connections should be made
on the left side of the air filter/regulator.
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