User Manual
30-603 Tool
IDEAL INDUSTRIES, INC
Becker Place, Sycamore, IL 60178 USA
815-895-5181 • 800-435-0705 in USA
www.idealindustries.com
International Ofces:
Australia • Brazil • Canada • China • Germany • Mexico • UK
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©2011 IDEAL INDUSTRIES, INC
30-603 Adjustment Instructions for IDEAL BNC Connectors
START: Identify your version of the Adjustable 30-603 IDEAL compression tool:
Current version has a shorter plunger 
head and tool has adjustment lines
Previous version has a longer plunger head
 and tool has no adjustment lines
To Adjust Current Version:
Loosen the locknut/
plunger combo with a 
at head screwdriver. 
Screw the plunger into 
the body of the tool as 
far as it can go. The 
locknut should be near 
the head of the plunger. 
Test a BNC connector for proper t 
and compression. Adjust plunger 
again for best t if necessary. 
Loosen and remove the lock-
nut/plunger combo from the tool 
with a at head screwdriver. 
Remove the locknut from the 
plunger.
Screw the plunger back 
into the body of the tool 
as far as it can go.  Do not 
use the locknut for BNC’s.
Test a BNC connector for proper t 
and compression. Adjust plunger 
again for best t if necessary. 
To Adjust Previous Version:
*The 30-603 tool is recommended for occasional BNC users. For installers who regularly use BNC and F connectors, 
the 30-793 tool is recommended as the above adjustments are not required to terminate BNC connectors.
Locknut
Plunger
Adjustment
Lines
The locknut is NOT required for proper operation of the 
30-603. However, it is recommended for keeping the 
selected plunger setting locked in place.
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