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SKU 66400 For technical questions, please call 1-800-444-3353. Page 2
Position batteries in proper polarity and do 4.
not install batteries of different types, charge
levels, or capacities together.
Use as intended only.5.
Inspect before every use; do not use if parts 6.
are loose or damaged.
Maintain product labels and nameplates. 7.
These carry important safety information.
If unreadable or missing, contact Harbor
Freight Tools for a replacement.
Read the ENTIRE IMPORTANT
SAFETY INFORMATION section
at the beginning of this document
including all text under subheadings
therein before set up or use of this
product.
IMPORTANT COMPONENTS
AND CONTROLS
1. Rotation Axis. Install the selected Adapter on
this Axle.
TEST Button. Use to perform Tests.2.
LCD Display. Information is displayed on this 3.
screen.
MEMORY Button. Use to recall last reading, 4.
minimum reading and maximum reading of
last test.
Function Switch. Use to select desired mea-5.
surement:
FT/MIN Linear speed in Feet per Minutea.
M/MIN Linear Speed in Meters per Minuteb.
CONTACT Rotation speed in RPMc.
Display
Symbol Meanings:
Battery Symbol: Batteries are low and must a.
be replaced.
MAX: Maximum reading is displayedb.
MIN: Minimum reading is displayed.c.
CONTACT: Function Switch test mode set-d.
ting.
ft/min: Speed Unit in Feet per minute.e.
m/min: Speed unit in Meters per minute.f.
RPM: Rotational speed in revolutions per g.
minute.