Operation instructions, Make sure the tool has been properly inspected. 4), Follow instructions to change accessories – Harbor Freight Tools Model 67980 User Manual
Page 21

Operation Instructions
Tool and Work Area Set-Up
19
Check if any liquids will be contacted during inspection.
The imager head and cable are waterproof to a depth of 3m
(10'). Greater depths may cause leakage into the imager
head and cable and cause electric shock or damage the tool.
The display unit is not waterproof and should not be
exposed to wet conditions.
Check if any chemicals are present, especially in the case of
drains. Chemicals may damage the tool.
Check the temperature of the area. The working temperature
of the tool is between 32°F (0°C) and 113°F (45°C).
Check if any moving parts are present in the area.
3)
237B
Make sure the tool has been properly inspected.
4)
238B
Install the correct accessories for use in the appropriate
application.
239B
CAUTION: Make sure the tool has been powered off before
performing maintenance.
240B
Tool maintenance must be performed only by qualified repair
personnel. Maintenance performed by unqualified repair
personnel could cause injury.
241B
When maintaining, use only identical replacement parts. Use of
unauthorized parts or failure to follow maintenance instructions
may create a risk of electric shock or injury.
242B
Do not attempt to take any pieces of the tool apart unless directed
by the manual.
243B
Follow instructions to change accessories.
244B
Do not use acetone to clean the tool. Instead,
use only alcohol to
swab the connections
. Avoid rubbing too hard on the LCD
screen. After using, wipe the display unit clean gently with a dry
cloth.
245B
Upon the completion of any maintenance of the tool, ask
qualified repair personnel to perform safety checks to examine if
the tool is in proper operating condition.
246B
Stop using the tool if it starts smoking or emitting noxious
fumes.
247B
Always handle the tool with care. It is not shock-resistant.
Do not disassemble the tool beyond
what is shown in the manual.
Doing so will void your warranty.