Schmidt AS 990 - Page 31

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 31
Hydraulic system for Front-mounted machinery
Delivery volumes:
Single-circuit
Dual-circuit
20 l/min
150/20 l/min
Oil tank volume/capacity:
Single-circuit
Dual-circuit
10 l (electrohydraulics)
140 l
Oil to use:
Winter operation HLP 22 hydraulic oil with DIN 51524 T2 or
ISO VG 22 DIN 51519 increased corrosion
protection.
All-year operation HVLP 32 DIN 51524 – T3
Electrical voltage:
Supply
Controls
24V
24V
Pressure control
Single circuit hydraulic system
System pressure circuit 1 150 bar
Dual-circuit hydraulic system
System pressure circuit 1
System pressure circuit 2
150 bar
210 bar
Collision protection for pivot cylinder 300 bar
High-pressure blower
Speed: 3,300 rpm
Air flow: (Free Flow): Max. 32,000 m
3
/h
Max. vacuum: 1,070 mm AC
Hydraulic motor: Sauer 90 M 075
Drive pump: Sauer 90 R 130
Blowing equipment
Number of blast nozzles: 4
Blow-out direction:
2 blast nozzles each
Can be switched to the right or left
Noise emission values
Normal suction power: Approx. 69 dB (A)
Max. suction power: Approx. 70 dB(A)
Wanderhose*
Position: Hopper door
Suction hose diameter: 200 mm