CYLINDER REPLACMENT
When the cylinder in use has been depleted to approximately 500psi (35 bar), the low pressure warning alarm
will sound indicating that the cylinder needs to be replaced.
To change a cylinder:
1) Make sure all personnel have egressed the hazardous area and have disconnected from the
breathing air system.
2) Close the cylinder valve.
3) Depressurize manifold pressure by pulling the relief valve ring.
4) Remove the CGA-347 hand-tight nut.
5)Remove the drained cylinder and replace with a known full cylinder. Reinstall the
CGA-347 connection.
SHUTDOWN
Make sure all personnel have egressed the hazardous area and have disconnected from the breathing air system.
1) Close cylinder valve.
2) Depressurize manifold pressure by pulling the relief valve ring.
3) Close the regulator by turning the control knob counterclockwise.
4) Reinstall dust caps.
5) Remove connection from cylinder.
HIGH PRESSURE AIRLINE GENERAL MAINTENANCE & INSPECTION
Monthly
1. Check regulators, gauges, and valves for external leakage.
2. Inspect cylinder valves for proper closure.
3. Check cylinder pigtails for cleanliness, flexibility, wear, leakage, blisters on hose, thread damage, and
O-rings on CGA fittings. Replace damaged items immediately.
Annually
1. Check relief valve's pressure setting.
2. Check regulator function by opening and closing regulator valve knob fully.
Every 4 years
1. Replace all flexible pigtails - contact ASI customer service department.
Air Systems' manufactured equipment is warranted to the original user against defects in workmanship or materials under normal use for one year
after date of purchase. Any part which is determined by Air Systems to be defective in material or workmanship will be, as the exclusive remedy,
repaired or replaced at Air Systems' option. This warranty does not apply to electrical systems or electronic components. Electrical parts are
warranted, to the original user, for 90 days from the date of sale. During the warranty period, electrical components will be repaired or replaced at
Air Systems' option.
NO OTHER WARRANTY, EXPRESSED OR IMPLIED, AS TO DESCRIPTION, QUALITY, MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE, OR ANY OTHER MATTER IS GIVEN BY AIR SYSTEMS IN CONNECTION HEREWITH. UNDER NO
CIRCUMSTANCES SHALL THE SELLER BE LIABLE FOR LOSS OF PROFITS, ANY OTHER DIRECT OR INDIRECT COSTS,
EXPENSES, LOSSES OR DAMAGES ARISING OUT OF DEFECTS IN, OR FAILURE OF THE PRODUCT OR ANY PART
THEREOF.
The purchaser shall be solely responsible for compliance with all applicable Federal, State and Local OSHA and/or MSHA requirements. Al-
though Air Systems International believes that its products, if operated and maintained as shipped from the factory and in accordance with our
"operations manual", conform to OSHA and/or MSHA requirements, there are no implied or expressed warranties of such compliance extending
beyond the limited warranty described herein. Product designs and specifications are subject to change without notice. Rev 2 12/98
5
Warranty Disclaimer