Specific Precautions/Power Source 
The GSP9720JLR is intended to operate from a power source that will apply 230VAC 
+10% / -15%, 1 phase, 10 amp 50/60 Hz, power cable includes NEMA 20 amp plug, 
L6-20P, between the supply conductors of the power cord. The power cord supplied 
utilizes a twist lock connector, NEMA L6-20P. This machine must be connected to a 
20 amp branch circuit. Please refer all power source issues to a certified electrician. 
Refer to “Installation Instructions for Road Force / GSP9720 Series Balancers,” Form 
5487-T.
 CAUTION:  A protective ground connection, through the grounding 
conductor in the power cord, is essential for safe operation. 
Use only a power cord that is in good condition. 
NOTE:  For information on converting from single phase NEMA 
L6-20P plug to thee phase NEMA L15-20P plug refer to 
Form 5350T, “NEMA L6-20P to NEMA L15-20P Power Plug 
Conversion Instructions.”
Specific Precautions/BDC Laser Indicator 
The BDC (Bottom Dead Center) Laser Indicator is a class 1M laser designed to aid in 
applying adhesive weights. The laser is not a field serviceable or adjustable part. 
Use caution in regard to reflective materials around the laser and never look into the 
laser beam 
GSP9720JLR Wheel Balancer Operation Instructions  Getting Started 
 5