rev. 08.15.2006.
4-40
become major problems. With pressure on the system, some leaks may be difficult to locate because the Lost Air is
continuously being replaced. Small leaks may be located quickly by brushing the suspected part with a soap and water
solution, and watching for bubbles, which will form and become “active” at the point where the air escapes. Pneumatic
system circuits equipped with air pressure regulators can be isolated for air-leak troubleshooting.
NOTE:
Air leaks beyond the regulator will be indicated if the air gauge
does not maintain constant pressure for a considerable period.
IMPORTANT
By providing periodic inspection and maintenance of the Pneumatic System,
the operational proficiency your ST-LAB Sure Torque is greatly enhanced.
4.3.2. Air Filter
IMPORTANT
If you did not purchase the optional SURE TORQUE Air Filter, then you
must install your own Air Filter.
There is a drain cock located at the bottom of each filter bowl. This drain cock should be opened at least once
a week to drain accumulated water and unused oil from the pneumatic system.
WARNING
Shutdown your Sure Torque unit, and the system air pressure, before opening Drain Cocks.
Failure to comply may cause damage to equipment and/or personal injury.
4.3.3. Solenoid Valves
The Solenoid valves are air direction components that open or close in response to electrical impulse, and emit
their air flow to air operated components. The Solenoid Air Valves are an extremely important part of the ST-LAB
Electronic Torque Tester System. These valves should always be included in the regular, preventative maintenance
program of the overall unit. Make sure that valve responses are immediate and snappy. Air supply to the valves should
be clean and free from moisture.
SURE TORQUE Worldwide Torque Testing Equipment Specialists!
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