Suitable to service Doorsill Heights of 2.4m to 4.1m
AIRCRAFT TYPES
ALL B707, B727 B737, B757 VARIANTS, CL-44, Caravelle, DC8, IL-62, TU-134, TU-154, MD80, F100 and A318-321
General specification
Parallelogram type with treads pivoting on full length stringers. Robust all steel construction, the stair flight is mounted on a welded steel chassis sub-frame.Automatic lift-mast locking mechanism fitted to protect against hydraulic failure when elevated.The stair treads and mid landing & top-platform walking-area are surfaced with grip-faced aluminium tread-plate.Sliding doors on top platform with hand-operated spring-bolts at both sides of the top-platform to facilitate opening the aircraft doors with the Steps interfaced with the Aircraft. Leading edges fitted rubber buffering.
A pivoting-section with rubber buffering is fitted at the leading edge of the top-platform to compensate with fuselage contours.The stair has tubular-steel side/hand rails with a mid-rail and clad with aluminium panels, fitted to both sides of the stair-flight. Full aluminium panels are fitted to the sliding rails at each side of the top-platform. All hand railing fitted with plastic covering available in a range of colours.Steering is turntable-type through a ball-bearing ring, controlled by the tow-bar. Tow-bar has a 50mm diameter towing-eye and grip-handle to assist coupling.
Four, 5-stud fixing, two-piece wheels, with industrial pnuematic 600-9 tyres are fitted on hubs with taper-roller bearingsParking-brake – operating on front steering wheels, actuated by raising the tow-bar.Tubular-steel pushrails is fitted at the rear end of the chassis both sides, providing a conveniently positioned hold for pushing and pulling. Jacks are fitted to the sides of the chassis-frame. The front two are mounted on pull-out extending extension arms for increased stability. These arms supported on nylon rollers slide easily & are retained by spring loaded pins when retracted or extended.
Standard Finish
Chassis-Frame, Steering-Turntable, Tow-Bar are Painted with zinc rich primer & a single Corporate colour topcoat. High-visibility (red ‘day-glo’ painted) markings, are applied to front/rear chassis corners and sides of tow-bar.
Options / Extras
- Special Corporate or Identification markings.
- Additional Visibility markings.
- Battery electric/hydraulic powered elevation
- Battery powered stairway illumination.
- Push button quick release stabaliser jacks
- *Stainless-steel rod in lift-cylinder
* (Recommended in a salt-laden environment)
Maximum Permitted Loads
- Each Step 225kg = 2 Persons
- Mid Landing 455kg = 4 Persons
- Top Landing 680kg = 6 Persons
Overall Weight : 2180kgs
Approximate Dimensions:
- Height range : Min 2438mm (96in) Max 4140mm (163in)
- Stair riser height: Min 100mm (4in) Max 215mm (8.5in)
- Stair Tread Depth: 270-330mm (10.63-13in)
- Stair Tread Width: 1120mm (44in)
- Width Inside Handrails: 1275mm (50.2in)
- Top Platform Width: 1600mm (63in)
- Top Platform Length: 1850mm (72.8in)
- Overall Length Lowered: 9000mm ( 354in)
- Overall Height Lowered: 3534mm (139in)