Equipment Installation and Service 
A factory-authorized representative should perform installation. 
This equipment contains no user serviceable parts. All repairs must be referred to a 
qualified Hunter Service Representative. 
NOTE:  To replace program cartridge, refer to “Program Cartridge 
and Security Key Removal and Installation,” page 111.
Equipment Specifications 
Electrical
Voltage:
230VAC +10% / -15%, 1 phase, 50/60 Hz, power cable 
includes NEMA 20 amp plug, L6-20P 
Amperage:  10 amperes  
Wattage: 3450 watts (peak) 
Air
Air Pressure Requirements: 100-175 PSI (6.9-12.0 bar) 
Approximate Air Consumption: 4 CFM (110 Liters/Minute) 
Atmospherics
Temperature: 
+32qF to +122qF (0qC to +50qC)
Relative Humidity:  Up to 95% Non-condensing 
Altitude: Up to 6000 ft. (1829 m) 
Sound Pressure Level 
Equivalent continuous A-weighted sound pressure at operator’s position 
does not exceed 70 dB (A). 
GSP9720JLR Wheel Balancer Operation Instructions  Getting Started 
 7