Use And Care Manual
9 
JD2051U 
V 
Volts 
A 
Amperes 
Hz 
Hertz 
W 
Watts 
kW 
Kilowatts 
Microfarads 
L 
Litres 
kg 
Kilograms 
H 
Hours 
N/cm
2
Newtons per square 
centimetre 
Pa 
Pascals 
OPM 
Oscillations per minute 
Min 
Minutes 
S 
Seconds 
or a.c. 
Alternating current 
Three-phase alternating 
current 
Three-phase alternating 
current with neutral 
Read all safety warnings 
and instructions 
Direct current 
No load speed 
Alternating or direct 
current 
Class II construction 
Splash-proof 
construction 
Watertight construction 
Protective grounding at 
grounding terminal, 
Class I tools 
Revolutions or 
reciprocations per 
minute 
Diameter 
Off position 
Directional arrow 
Warning symbol 
Wear your safety 
glasses 
Wear hearing protection 
SYMBOLS 
 WARNING: Some of the following symbols may appear on the drill. Study these 
symbols and learn their meaning. Proper interpretation of these symbols will allow for 
more efficient and safer operation of this tool. 
! 
This symbol designates that this tool is 
listed with U.S. requirements by 
TÜV Rheinland. 
Conforms to UL Std. 60745-1 and  
60745-2-1. 










