Firestone W01-358-6940 WO13586940 Double Convoluted Rubber Air Spring For Laminate Press Equipment
Cross Reference
Firestone W01-358-6940/W013586940/W01 358 6940, Firestone WO1-358-6940/WO13586940/WO1 358 6940, Contitech FD 200-19 450/ FD200-19450/ FD 200 19 450/ FD20019450, Contitech 161296, Goodyear 2B9-230/ 2B9 230/2B9230, Bellow Number 578923202/ 578 92 3 202/578-92-3-202, Triangle 6325/4450, Histeer 10305, Langes
Air Spring spcifications and data parameters: 2B6940
| Type | Double Convolution Air Spring; 2-Ply Bellows |
| Top Plate Hole/Stud Qty | 1 |
| Bottom Plate Hole/Stud Qty | 2 |
| The screw center distance | 89mm |
| Top and Bottom cover plate diameter | 160mm |
| Min. height | 81mm |
| Max. height | 274mm |
| Max. OD | 251mm |
| Girdle ring/Girdle hoop/Belt loop | one piece |
| Bumper/ Bumper Block | Yes |
Applications
• Material Handling Industry
• Lumber Industry
• Aluminum Can Recycling
• Container Manufacturers
• Paper Industry
• Press Manufacturing
• Vibrating Equipment &
Conveyers
• Shaker Screens
• Steel Manufacturing
Equipment
• Automotive Related
(Plate Glass)
• Paper & pulp mill equipment
• Stamping press cushions in automotive plants
• Laminate press equipment
• Large material handling equipment - Heavy Industry
• Use as a protective boot or flexible coupling
• Stack multiple airsprings together for increased stroke capabilities
• Use when the application requires a rapid flow of air in and out of the air spring
What should we do if the air spring is over-extension
Over-extension is an unlimited lowering of the axle, that forces the air spring to consistently operate beyond its maximum extended height. This may happen during traction of a crane or shipping of a vehicle without limiting cables on the axles. The first sign of damage on an over-extended air spring is usually the bellow separating from the metal top plate or at the piston.
Air spring failures resulting from over-extension are most commonly seen on lift axle applications and particularly on trucks or tractors used in severe on/off road service such as construction, logging or quarrying. On those types of vehicles, check to see if the shock absorbers are missing, need to be repaired or replaced. Although shock absorbers were not designed as axle travel limiting devices, they are often the only defense against over-extension.
Maintenance instructions:
Bring the air spring back into the proper operating zone by:
– Limit the axle movement,
– Check height control valve to see that it is functioning
properly.
– Adjust the height control valve to proper ride height.
– Check the correct using of the bellows.
The reated picture of air springs/convoluted air spring/air bag/air balloon: 2B6940
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