Tension Testing Tool
A tension testing tool is available. This tool facilitates checking
belt tensions. Scales are provided on the tool for reading both the
required force and the distance of belt deflections which are used
in properly tensioning belts as described above. Order by part
number 543217.
Sheave Alignment
To align the sheaves, place a long steel straight edge across the
rims of both sheaves. Always align the motor sheave to the com-
pressor sheave. The straight edge must be flat across the compressor
sheave. Horizontal alignment is determined by placing the straight
edge close to the sheave’s center. Swing the straight edge to the top
and bottom of the motor sheave to determine vertical alignment.
COMPRESSOR OPERATION
Every Joy Compressor is operated and thoroughly tested at the
factory before shipment. The test assures that the compressor will
deliver its rated capacity and is in good working order. However,
regardless of the care taken at the factory, there is the possibil-
ity that damage may occur in shipment. For this reason, it is recom-
mended that the unit be carefully inspected for evidence of possible
damage in shipment. During the first few hours of operation the
machine should be observed for any possible malfunction.
CAUTION
DO NOT SET AIR PRESSURE SWITCH TO ALLOW
THE COMPRESSOR TO RUN IN EXCESS OF 125 PSI.
PREPARATION FOR INITIAL START-UP
1. Put selector switch located on control center in “off” position
and pull main disconnect switch to assure that no power is
going to the unit.
NOTE
THE STANDARD MACHINE UTILIZES TWO VOL-
TAGE SOURCES OF POWER FOR OPERATION:
1. 115 VOLTS FOR CONTROL.
2. 230 or 460 VOLTS FOR MOTOR.
AN INTER-LOCK BETWEEN THE TWO CIRCUITS IS
PROVIDED AS STANDARD EQUIPMENT.
CAUTION : DO NOT RUN 230 VOLT MOTOR ON 208 VOLTS
(208 or 575 VOLT MOTORS ARE AVAILABLE AS OPTIONAL
EQUIPMENT).
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