Passenger Stairway PS-813B/E Boeing | 20
SECTION 1 - PROCEDURES, SPECS & CAPABILITIES
Torque (ft. lb.), Max 13.4 @ 2500 RPM
Fuel Tank Capacity 1.40 US gallons
Engine Oil Capacity 1.2US quarts
1.3.4 | Hydraulic System
HYDRAULIC PUMP
Manufacturer/Serial No. Gresen/Dana X1017 00411
Model MGG20010BC1B3
Displacement 0.218 cu. in./rev (3.57 cc/rev)
Rated Flow per 1000 RPM 0.95 GPM (3.6 liter/min)
Max. Rated Pressure (cont.) 2000 psi (138 bar)
Auxiliary Hand Pump
Manufacturer Star Hydraulics
Model PDA-2
Type Double-acting, hand-operated
Displacement 1.5 cu. in./cycle (2 strokes/cycle)
Handle Load 39 lb. per 1000 psi
Cylinders
Stairway Cylinder Part # 204497
Double-acting, 2.5 in. (63.5 mm)
bore, stroke 163.13
A-frame Cylinder Part # 204219
Double-acting, 3.5 in. (88.9 mm)
bore, stroke 24”
Stabilizer Cylinder Part # 204074
Double-acting, 2 in. (50.8 mm) bore,
8 in. (203 mm) stroke
Pressure Relief
Type
Adjustable, part of hydraulic control
valve
Recommended Setting 1500 psi (104 bar)
Filters
Return Line 10-micron, spin on canister
Suction Line 25 GPM ow, 100 mesh strainer
Hydraulic Oil Mobil DTE-13
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