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SKU 66400 For technical questions, please call 1-800-444-3353. Page 3
SET UP AND OPERATION
Battery Installation
Battery Compartment
1. Before use, install (4) 1.5 VDC “AA” batteries
(not supplied).
To install batteries, remove Screw (18) from 2.
Battery Cover (17).
Remove Battery Cover (17) from Back Cover 3.
(12).
Install 4 “AA” batteries in battery compart-4.
ment. Be sure to match polarity of batteries
to markings inside battery case.
Replace Battery Cover (17). Reinstall Screw 5.
(18). Do not overtighten.
Whenever the Low Battery Indicator appears, 6.
replace the batteries.
Do not short the battery terminals together 7.
when replacing batteries.
Donotdisposeofoldbatteriesinre.8.
Always dispose of batteries in accordance
with guidelines provided by local authority.
Note: This tool may be used with AC power.
Plug adapter (not included) into adapter
Socket and into a 120 VAC outlet.
Installing Adapters
Installing Adapter
1. Before use, the correct Adapter must be
installed.
- Cone RPM Adapter
- Funnel RPM Adapter
- Wheel Surface Speed Adapter
TheAdaptersarefrictiont.SlidetheAdapter2.
on or off as needed.
OPERATION
RPM Measurement
Attach the Cone Adapter (24) to the Rotating 1.
Axle (27) as described above.
Set Function Switch to CONTACT2. .
Press the tip of the cone to the center of the 3.
rotating shaft to read shaft RPM. Keep the
Tachometer’s Rotating Axle in line with the
center of the shaft at all times.
Press and hold the TEST button4. .
When the cone gains steady rotational 5.
speed, read the RPM on the LCD screen.
Linear Speed Measurement
Attach the Surface Adapter Wheel (20) to the 1.
Rotating Axle (27) as described above. With
the Rotating Axle parallel with the rotating
shaft, touch the side of the shaft with the side
of Surface Adapter Wheel (20). Maintain light
and steady pressure against the shaft.
Set the Function Switch to FT/MIN (Feet per 2.
minute) or M/MIN (Meter per minute).
Press and hold the TEST button.3.
REV 09c