Passenger Stairway PS-813B/E Boeing | 14
SECTION 1 - PROCEDURES, SPECS & CAPABILITIES
1.2.1.3 | Ratchet Release Handles
COMPONENT DESCRIPTION
A-frame Ratchet
Release Handle
The handle on the side of the A-frame manually
unlocks the A-frame ratchet to permit lowering
the A-frame.
Stairway Ratchet
Release Handle
The handle on the side of the stairway manually
unlocks the stairway ratchet to permit retracting
the upper stairs and platform.
1.2.1.4 | Auxiliary Hand Pump (see Figure 1.1.3)
The hand pump is located adjacent to the hydraulic control valve and
is equipped with an extension handle. The hand pump is intended for
Emergency Operation Only in the event the primary power system
cannot be used.
1.2.1.5 | Battery Charger
The battery charger charges the batteries that power the engine starter
and the stairway and A-frame lights.
1.2.2 | Pre-Operation Checks
Carefully check the following before putting the unit in service.
1. Check to see that all nuts, bolts and other fasteners are tight.
2. Check wheels and casters for proper operation.
3. Check the level of the hydraulic uid in the hydraulic oil tank. Add
hydraulic oil if level is low.
4. Check engine oil level.
5. Check battery terminals for corrosion and tightness.
6. Fill engine gasoline tank.
7. Check electrical system for proper operation.
8. Check stairway and platform lights for damage and proper operation.
9. Make sure that the stairs are free from any objects that could cause
a passenger to slip or fall.
10. Check platform modesty panels for free movement and proper latching.
1.2.3 | Operating Procedures
11. Start engine in accordance with procedures below. Read engine
manual in Appendix A before starting engine.
1.2 OPERATION
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