paratech air struts
DESCRIPTION
Paratech Air Struts. SECTION: Tools and Equipment ISSUED: 02-2011REVISED: ##-####. Objectives. To provide an understanding of the following Specifications Use Maintenance Safety. Specifications. Acmethread Strut 25-36 2 ½” diameter aluminum alloy inner threaded shaft - PowerPoint PPT PresentationTRANSCRIPT
Paratech Air Struts
SECTION: Tools and EquipmentISSUED: 02-2011 REVISED: ##-####
Objectives
• To provide an understanding of the following– Specifications– Use– Maintenance– Safety
Specifications
• Acmethread Strut 25-36– 2 ½” diameter aluminum
alloy inner threaded shaft– 3” diameter aluminum
alloy outer tube– 50,000lb. axial crush
strength– 25” – 36” length
Specifications
• Tips– Steel cone point base
• Adds 1 ½” to strut length
– V base
– Rigid base• 12”x12”
Specifications
• Extensions
– 12” strut extension
– 24” strut extension
Pressure Regulator
• Piston type regulator• Up to 6000 psi
incoming pressure
• Safety valve set• 135 or 150
• Depending on model
Dual Deadman Controller
• Maximum operating pressure• 118 psi
• Safety valve setting• 118 psi
• Single inlet and dual outlets
• Quick connect fittings• With locking rings
Supply Hose
• 16’ in length• 3/8” diameter• Maximum working pressure of
250 or 300 psi• Depending on model
• Burst pressure at 1000 psi• Equipped with threaded lock
rings• Black hose
• From regulator to dual deadman control valve
• Color hose• From dual deadman control
valve to lifting bag
Use
• Trench collapse– Attach proper tips and hoses prior to lowering
into trench
• Building collapse
• Vehicle stabilization
Operating ProcedurePressure Regulator
• Attach to an SCBA cylinder
• Adjust outlet pressure• Turn adjusting knob to
set at 135 psi
Operating ProceduresDual Deadman Controller
• Attach black hose from regulator• Complete with locking ring
• Attach colored hose(s) to outlet(s)• Complete with locking ring
• Dual safety deadman valves• Up is green• Down is red
Maintenance
• Check overall condition of strut
• Clean with mild soap and water
• Check elasticity of rubber gasket
• Ensure movement of strut
• Ensure locking collar moves freely
• Check threads for damage or burrs
Safety
• Wear appropriate PPE– Minimum of helmet, gloves, and eye
protection• Ensure tips/extensions are locked in place
before use• Lock strut in place with locking collar• Never over pressurize strut• Never lift load with strut• Never use more than 2 extensions per strut for
maximum of 3 feet extension• Maximum strut length 6 feet