1
Chapter 1:
Before You Start
Contacting Ritchie Engineering:
To order accessories, receive assistance, or locate the nearest YELLOW JACKET
®
distributor.
Corporate Office and Mailing Address:
Ritchie Engineering Co, Inc. YELLOW JACKET
®
Products Division
10950 Hampshire Avenue South, Bloomington, MN 55438-2623 U.S.A.
Phone: (952) 943-1300 or (800) 769-8370
Fax: (800) 769-8370
E-mail: custserv@yellowjacket.com www.yellowjacket.com
Safety Information:
Use the instrument only as specified in this manual. Otherwise, the protection provided by the
instrument may be impaired. Refer to safety information in Table 1-1.
A Warning identifies conditions and actions that pose hazards to the user. A Caution identifies
conditions and actions that may damage the instrument or the equipment under test.
Table 1-1. Safety Information
Warning
To avoid personal injury or death, follow these
guidelines:
• Most governments and legal authorities
re- quire that HVAC technicians be trained
and certified in the safe and proper
operation of HVAC tools, such as this
instrument. Since this tool may be
connected to many types of equipment
through a limitless combination of hoses
and fittings, proper training is the most
important element of using this tool safely.
• Read the entire User Manual before using
the instrument.
• Use the instrument only as described in the
User Manual, otherwise the protection pro-
vided by the equipment may be impaired.
•
Do not use the instrument if it is damaged.
Before you use the instrument, inspect the
case. Look for cracks or loose components
• The instrument contains no internal user-
serviceable parts; Do not open the
instrument. Have the instrument serviced
only by Ritchie Engineering Co. or
authorized service centers.
• Do not use the instrument if it operates ab-
normally. Protection may be impaired.
When
in doubt, have the instrument
serviced.
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