Passenger Stairway PS-813B/E Boeing | 31
SECTION 2 - SERVICING PASSENGER STAIRWAY
2.4.1 | Stair Assembly
2.4.1.1 | Removal
1. Remove Canopy (If equipped).
2. Remove the platform side panels (elephant ears) as follows.
• Remove the rear-stop bolts.
•
Remove the floor-mounted side panel locks.
3. Disconnect electrical harnessing from stairway lights.
4. Remove the left and right upper stairs section side panels as
follows:
• Remove the top bolts (3 on each side) holding the side panels to
support bracket.
• Slide the panel rearward until guide rollers disengage from the
top angle.
• Lift the side panels clear of the stairs.
5. Disconnect and cap the hydraulic lines from the stairway extend
cylinder.
6. Attach overhead hoist chain to upper end of stairway and put slight
tension on chain.
7. Raise the stairs slightly to remove weight from A-frame attaching
pins.
8. Remove roll pins from upper A-frame mounting pins and loosen set
screws on mounting pin lock collars.
9. Slide mounting pins out from A-frame attaching brackets.
10. Using the hoist, raise the assembly until the weight is removed from
the lower stairway attaching shaft.
11. Remove roll pins from attaching shaft and loosen set screws on
attaching shaft lock collars.
12. Remove attaching shaft from stairs and A-frame. This also
disconnects the lower end of the stairway extend cylinder.
13. Secure lower end of stairway extend cylinder to stairway.
14. Using hoist, raise stairway until it is clear of chassis.
15. Move chassis forward and away from the stair assembly.
16. Place stairway on supports so that the stairway is horizontal and
the platform support frame is clear of the floor. Supports should be
approximately 6 ft. high.
2.4.1.2 | Installation
1. Attach overhead hoist chain to upper end of lower stairs section at
2.4 REMOVAL AND
INSTALLATION
NOTE:
Attach the chain to the upper
end of the lower stair section,
at the attaching point for the
A-frame.
Содержание PS-813B/E
Страница 6: ...Passenger Stairway PS 813B E Boeing 6 SECTION SECTION PAGE DATE REVISIONS PAGE...
Страница 38: ...Passenger Stairway PS 813B E Boeing 38 FIG 1 1 PASSENGER STAIRWAY MODEL PS 813B E...
Страница 39: ...Passenger Stairway PS 813B E Boeing 39 FIG 1 1 2 1 A FRAME...
Страница 40: ...Passenger Stairway PS 813B E Boeing 40 FIG 1 1 3 HYDRAULIC SCHEMATIC...
Страница 41: ...Passenger Stairway PS 813B E Boeing 41 FIG 1 1 3 1 PRIMARY CONTROL STATION...
Страница 42: ...Passenger Stairway PS 813B E Boeing 42 FIG 1 1 4 ELECTRICAL SCHEMATIC...
Страница 43: ...Passenger Stairway PS 813B E Boeing 43 FIGURE 1 2 1 2 PRIMARY CONTROL STATION...
Страница 44: ...Passenger Stairway PS 813B E Boeing 44 FIGURE 2 1 7 1 LUBRICATION POINTS...
Страница 45: ...Passenger Stairway PS 813B E Boeing 45 FIGURE 2 1 7 2 LUBRICATION POINTS...
Страница 46: ...Passenger Stairway PS 813B E Boeing 46 FIGURE 2 1 7 3 LUBRICATION POINTS...
Страница 47: ...Passenger Stairway PS 813B E Boeing 47 FIGURE 2 2 1 1 HYDRAULIC SCHEMATIC...
Страница 48: ...Passenger Stairway PS 813B E Boeing 48 FIGURE 2 2 1 2 ELECTRICAL SCHEMATIC...
Страница 49: ...Passenger Stairway PS 813B E Boeing 49 FIGURE 2 3 1 PRIMARY CONTROL VALVE...
Страница 50: ...Passenger Stairway PS 813B E Boeing 50 FIGURE 2 3 3 ADJUSTMENT BOLTS...
Страница 51: ...Passenger Stairway PS 813B E Boeing 51 FIGURE 4 3 1 PASSENGER STAIRWAY MODEL PS 813B E...
Страница 54: ...Passenger Stairway PS 813B E Boeing 54 FIGURE 4 3 2 STAIRWAY CHASSIS ASSEMBLY...
Страница 56: ...Passenger Stairway PS 813B E Boeing 56 FIGURE 4 3 3 UPPER STAIRS AND PLATFORM...
Страница 58: ...Passenger Stairway PS 813B E Boeing 58 FIGURE 4 3 4 LOWER STAIRS ASSEMBLY...
Страница 60: ...Passenger Stairway PS 813B E Boeing 60 FIGURE 4 3 5 STAIRWAY RATCHET ASSEMBLY...
Страница 62: ...Passenger Stairway PS 813B E Boeing 62 FIGURE 4 3 6 A FRAME ASSEMBLY...
Страница 64: ...Passenger Stairway PS 813B E Boeing 64 FIGURE 4 3 7 HYDRAULIC SYSTEM...
Страница 67: ...Passenger Stairway PS 813B E Boeing 67 FIGURE 4 3 9 ELECTRICAL SCHEMATIC...
Страница 69: ...Passenger Stairway PS 813B E Boeing 69 FIGURE 4 3 10 CONTROL STATION...
