Suitable to service Doorsill Heights of 2.4m to 4.5m
AIRCRAFT TYPES
B707, B727 B737, B757, B767 VARIANTS, Caravelle, DC8, IL-62, TU-134, TU-154, TU_204 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,
Painted with zinc rich primer & a single Corporate Tow-Bar
are 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 : 2250kgs
Approximate Dimensions:
- Height range : Min 2400mm (94.5in) Max 4500mm (177in)
- Stair riser hgt: 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: 9500mm ( 374in)
- Overall Height Lowered: 3500mm (137.8in)
- Overall Width 2180mm (85.5in)
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