Schmidt AS 990 User manual

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 1
Product group: Sweeper
Operating Instructions
Airport Sweeper
Airport Stand Cleaner
Model: AS 990
List No. 1048964-2 from 70-1-001 en Edition 11
Read the operating instructions before putting the machine into operation.
Keep the operating instructions in the machine and include them with the machine
if it is transferred.
We reserve the right to make changes to the technical details included in the
specifications and diagrams in these operating instructions. Reproduction,
translation and photocopying in whole or in part without written permission
is forbidden.
Aebi Schmidt Deutschland GmbH
Albtalstraße 36, 79837 St. Blasien, Germany
Telephone: [phone] Internet: www.aebi-schmidt.com
Fax: [phone] E-mail: [email protected]

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 2

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 3
Table of contents
Abbreviations.................................................................................................................11
References .....................................................................................................................11
1The operating instructions ....................................................................................12
2Declaration of Conformity .....................................................................................14
3Explanation of symbols and safety notices ........................................................15
3.1 Explanation of symbols.....................................................................................15
3.2 Safety regulations.............................................................................................15
4Description..............................................................................................................18
4.1 General information ..........................................................................................18
4.2 Operating personnel .........................................................................................18
4.2.1 Sweep mode ..............................................................................................18
4.3 Personal protection equipment.........................................................................19
4.4 Lashing and mounting points............................................................................20
4.4.1 Lashing points ............................................................................................20
4.4.2 Lashing points on the AS 990 ....................................................................20
4.4.3 Suspension points......................................................................................21
4.5 Safety equipment..............................................................................................21
4.5.1 Hopper .......................................................................................................21
4.5.2 Sweeping unit cover...................................................................................21
4.5.3 Mirrors........................................................................................................21
4.6 Protective measures to be taken by the user....................................................22
4.6.1 Park the vehicle safely. ..............................................................................22
4.6.2 General notes on the danger area .............................................................22
4.6.3 Reversing...................................................................................................23
4.6.4 Unloading the hopper.................................................................................23
4.6.5 Driving into junctions ..................................................................................23
4.6.5.1 Danger zone when steering the machine ...............................................23
4.6.5.2 Danger zone in use ................................................................................24
4.6.6 Safety equipment .......................................................................................24
4.7 Labelling ...........................................................................................................25
5Technical data ........................................................................................................29
5.1 Intended use.....................................................................................................32
5.2 Noise emissions and vibration..........................................................................33
5.2.1 Noise emissions .........................................................................................33
5.2.2 Vibration.....................................................................................................33
5.2.2.1 Hand-arm vibration .................................................................................33
5.2.2.2 Whole body vibration ..............................................................................33

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 4
5.3 Avoiding noise and vibration.............................................................................34
5.3.1 Preventing noise ........................................................................................34
5.3.2 Preventing vibrations..................................................................................34
5.4 Machinery Directive ..........................................................................................34
6Vehicle requirements for mounting the AS 990...................................................34
7Parts description ....................................................................................................35
7.1 Control panel ....................................................................................................35
7.2 Hand-held control panel....................................................................................35
7.3 Wanderhose .....................................................................................................36
7.4 Remote start connector.....................................................................................36
7.5 Plug-in connectors............................................................................................36
7.6 Drive engine......................................................................................................37
7.7 AS 990 carbamide tank.....................................................................................37
7.8 Hydraulic system ..............................................................................................37
7.8.1 Hydraulic tank ............................................................................................38
7.8.2 Hydraulic pumps driven by the auxiliary engine .........................................38
7.8.3 Hydraulic pump driven by the vehicle engine.............................................38
7.8.4 Hydraulic valves of the sweeper attachments ............................................39
7.8.5 Oil cooler....................................................................................................40
7.9 Pneumatic system ............................................................................................40
7.9.1 Pneumatic valves .......................................................................................41
7.10 Electrical system...............................................................................................42
7.10.1 Control cabinet ...........................................................................................42
7.10.2 Fuses .........................................................................................................43
7.10.3 Battery isolator switch ................................................................................43
7.10.4 Remote start connector..............................................................................43
7.11 Water system....................................................................................................44
7.11.1 Water tank..................................................................................................44
7.11.2 Water pump................................................................................................44
7.11.3 Water filter..................................................................................................44
7.11.4 Water valves ..............................................................................................44
7.12 Cleaning systems .............................................................................................45
7.12.1 Cleaning equipment with spray hose .........................................................45
7.12.2 Spray hose with automatic roller ................................................................45
7.12.3 High-pressure cleaning system ..................................................................46
7.13 Fan ...................................................................................................................46
7.14 Debris hopper...................................................................................................47
7.14.1 Tipping the hopper .....................................................................................47
7.14.2 Drainage connections ................................................................................47
7.14.3 Leaf filter ....................................................................................................48
7.14.3.1 Spray beam above leaf filter ...................................................................49

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 5
7.14.4 Exhaust diffuser .........................................................................................49
7.14.5 Emergency tipping for the debris hopper ...................................................50
7.15 Pick-up Systems...............................................................................................50
7.15.1 Debris pick-up unit .....................................................................................51
7.15.2 Liquid pick-up unit ......................................................................................51
7.15.3 Side suction unit.........................................................................................52
7.16 Blast nozzles.....................................................................................................52
7.17 Disc brushes.....................................................................................................53
7.18 Path marking.....................................................................................................53
7.18.1 Water marking............................................................................................53
7.18.2 Foam marking ............................................................................................53
7.19 Wanderhose .....................................................................................................53
7.19.1 Closing and opening suction nozzle channel .............................................55
7.19.1.1 Closing the suction nozzle channel with plug .........................................55
7.19.1.2 Closing the suction nozzle on the rear suction unit.................................55
7.19.1.3 Closing the suction nozzle channel on the liquid pick-up unit
between the axles...................................................................................56
7.19.1.4 Opening and closing the locking plate on the suction hose ....................56
7.19.2 Cleaning system with spray hose roller......................................................58
7.19.3 High-pressure cleaning system (100 bar) ..................................................58
7.19.4 Path marking ..............................................................................................60
7.19.5 Path marking with water jet ........................................................................60
7.19.6 Path marking with foam peaks ...................................................................60
7.20 Front-mounted machines..................................................................................61
7.20.1 Aebi Schmidt vehicle plate .........................................................................61
7.20.2 Protective covering.....................................................................................62
7.21 Hydraulic systems for front-mounted machinery...............................................62
7.21.1 Hydraulic valve block .................................................................................62
7.21.2 Single hydraulic pump................................................................................62
7.21.3 Hydraulic tank ............................................................................................62
7.21.4 Hydraulic connections for controlling the snow plough...............................63
7.21.5 Front hydraulic connections .......................................................................63
7.22 Electrical connection for front-mounted machines............................................64
7.23 Airport stand cleaning system...........................................................................64
7.24 Front spray beam..............................................................................................64
7.25 Hopper floor heating.........................................................................................65
7.26 Ladder...............................................................................................................66
7.27 Mirror above the front window...........................................................................66
8Controlling the machine via the control panel.....................................................67
8.1 Start auxiliary engine ........................................................................................67
8.2 Switching off the auxiliary engine......................................................................69
8.3 Information display............................................................................................70

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 6
8.4 Menu.................................................................................................................71
8.4.1 Level 1 .......................................................................................................71
8.4.2 Level 2 .......................................................................................................71
8.5 Sweep...............................................................................................................72
8.5.1 Putting the disc brush into operation ..........................................................72
8.5.2 Putting the sweeper unit into operation ......................................................73
8.5.3 Putting the suction unit into operation ........................................................74
8.5.4 Suction and sweeping with the sweeper ....................................................75
8.5.5 Putting the side suction into operation .......................................................76
8.5.6 Putting the coarse protection flap on the suction duct into operation .........77
8.5.7 Putting the sprayer/front spray bar into operation ......................................77
8.5.8 Putting the foam path marking into operation.............................................78
8.5.9 Putting the front pick-up into operation.......................................................78
8.5.10 Adjusting the blower output........................................................................79
8.5.11 Rotary beacon............................................................................................79
8.5.12 Working lights, environmental lighting........................................................79
8.5.13 EMERGENCY STOP .................................................................................80
8.5.14 Putting the blower unit into operation .........................................................81
8.5.15 Junction skip ..............................................................................................82
8.5.16 Reversing...................................................................................................82
8.5.17 Reversing camera ......................................................................................83
8.5.18 Acoustic warning signal..............................................................................83
8.5.19 Switching on the high-pressure spray bar in front of the sweeper unit .......84
8.5.20 Controlling front-mounted machine e.g. snowplough, magnetic beam.......85
8.5.20.1 Manual operation....................................................................................85
8.5.20.2 Automatic mode......................................................................................86
8.5.20.3 Turning off the control.............................................................................86
8.5.21 Set plough relief .........................................................................................86
8.5.22 Control snowplough with foldable side blade .............................................87
8.5.23 Activate the wanderhose............................................................................88
8.5.24 Turning on dual suction..............................................................................88
8.5.25 Debris rake.................................................................................................89
8.5.26 Display warning symbols............................................................................89
8.5.27 Service menu for the driver ........................................................................89
8.6 Activating the airport stand cleaner...................................................................90
8.6.1 Putting the suction unit into operation ........................................................90
8.6.2 Switching on the detergent on the front sprayer bar...................................91
8.6.3 Switching on the detergent on the spray bar in front of
the sweeper unit.........................................................................................92
8.6.4 Switching on the high-pressure spray bar in front of the sweeper unit .......93
8.6.4.1 Activate front spray bar...........................................................................94
8.7 Hopper control..................................................................................................95
9Adjustment work ....................................................................................................96
9.1 Set the display brightness.................................................................................96
9.2 Set search lighting............................................................................................96

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 7
9.3 Setting up and measuring the sweep range of the cylindrical brush.................96
9.3.1 Setting the sweeping range........................................................................96
9.3.2 Measuring the sweep range.......................................................................96
9.3.3 Adjusting the side suction unit....................................................................97
9.4 Adjusting the liquid pick-up system...................................................................97
9.4.1 Setting the coarse debris flap.....................................................................97
9.4.2 Setting the rubber bar ................................................................................98
9.4.3 Disc brush, setting the sweeping pattern ...................................................98
9.4.4 Disc brush, setting the contact pressure ....................................................99
9.5 Axle load setting ...............................................................................................99
9.6 Suction assembly limit stop.............................................................................100
9.7 Air suspension limit stop.................................................................................100
10 Transit travel.........................................................................................................101
11 Operation ..............................................................................................................102
11.1 Daily pre-operational checks...........................................................................102
11.2 Before using the machine...............................................................................104
11.3 Use .................................................................................................................104
11.3.1 Cold weather operation ............................................................................105
11.3.2 Reversing.................................................................................................105
11.3.3 Debris suction operation with disc brush..................................................105
11.3.4 Sweeper suction operation with cylindrical brush.....................................106
11.3.5 Suction operation - liquid pick-up (without cylindrical brush)....................107
11.3.6 Wanderhose.............................................................................................108
11.3.7 Liquid pick-up unit ....................................................................................108
11.3.8 Empty hopper...........................................................................................109
11.3.8.1 Letting out dirty water / de-icing agents ................................................110
11.3.8.2 Emptying remaining dirty water / de-icing agents .................................111
11.3.8.3 Unloading debris from the hopper ........................................................112
11.3.8.4 Lower debris hopper.............................................................................113
11.3.9 Blowing operation.....................................................................................113
11.3.10 Winter operation.......................................................................................114
11.3.11 Front-mounted machines .........................................................................114
11.3.11.1 Snow plough .....................................................................................115
12 Checking and care of the vehicle after use........................................................116
13 Extent of wear.......................................................................................................118
13.1 Vehicle............................................................................................................118
13.2 Disc brushes...................................................................................................118
13.3 Debris pick-up unit..........................................................................................118
13.4 Wear plates.....................................................................................................119
13.5 Side suction unit .............................................................................................120
13.6 Liquid pick-up unit...........................................................................................120

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 8
14 Attaching and detaching machine parts ............................................................121
14.1 Attaching and detaching the suction vehicle using the quick
change system................................................................................................121
14.2 Quick-change procedure of front-mounted machines.....................................123
14.2.1 Lower front-mounted machine with pressure ...........................................123
15 Faults.....................................................................................................................124
15.1 Pneumatic system ..........................................................................................125
15.2 Hydraulic system ............................................................................................125
15.3 Water system..................................................................................................126
15.4 Electrical system.............................................................................................126
15.5 Warning and notice symbols...........................................................................127
16 Reversing ..............................................................................................................130
17 Transit travel.........................................................................................................131
17.1 Transport speed..............................................................................................131
18 After sweeping......................................................................................................132
19 Towing...................................................................................................................133
20 Maintenance work that the driver may carry out ...............................................134
20.1 Vehicle............................................................................................................134
20.2 Auxiliary engine ..............................................................................................134
20.3 General maintenance .....................................................................................134
20.3.1 Refuelling .................................................................................................134
20.3.1.1 Vehicle..................................................................................................134
20.3.1.2 Auxiliary engine ....................................................................................135
20.4 Refilling the carbamide tank............................................................................135
20.5 Filling the water tank.......................................................................................136
20.5.1 Filling the cleaning agent tank..................................................................137
20.5.2 Calling up kilometres and hours ...............................................................137
20.6 Cleaning the water filter..................................................................................139
20.7 Cleaning the machine.....................................................................................139
20.7.1 Cleaning the machine with high-pressure cleaner....................................139
20.7.2 Cleaning with the spraying hose ..............................................................140
20.8 Cleaning brushes of foreign bodies ................................................................141
20.9 Drain water system.........................................................................................141
20.9.1 Activate drain mode .................................................................................141
20.9.2 Drain water system ..................................................................................142

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 9
21 Maintenance and repair work that may only be carried out
by workshop personnel .......................................................................................143
21.1 Maintenance notes: ........................................................................................145
21.2 Lubricants.......................................................................................................146
21.3 Maintenance service.......................................................................................147
21.3.1 Hydraulic filter ..........................................................................................147
21.3.2 Hydraulic oil..............................................................................................147
21.3.3 Lubrication................................................................................................147
21.3.4 Oil refill .....................................................................................................147
21.3.5 Oil change................................................................................................147
21.3.6 At the end of the season ..........................................................................147
21.4 Lubrication and maintenance schedule ..........................................................148
21.4.1 Notes on lubrication via a central lubrication unit .....................................148
21.4.2 Snowplough .............................................................................................148
21.4.3 Magnetic beam.........................................................................................149
21.4.4 Front mounted sweeper machine.............................................................149
21.4.5 Vehicle .....................................................................................................149
21.4.6 Aebi Schmidt vehicle hydraulic system ....................................................149
21.5 Maintenance schedule....................................................................................150
21.5.1 Vehicle .....................................................................................................150
21.5.2 Debris pick-up unit ...................................................................................151
21.5.3 Layout ......................................................................................................153
21.5.4 Liquid pick-up unit ....................................................................................155
21.5.5 General maintenance...............................................................................155
22 Maintenance and repair work ..............................................................................156
22.1 Changing the cylindrical brush........................................................................156
22.2 Changing disc brushes ...................................................................................158
22.3 Grease the brush drive universal joint ............................................................158
22.4 Changing the hydraulic oil and filter................................................................159
22.4.1 Filter change ............................................................................................159
22.4.1.1 Return filter ...........................................................................................159
22.4.2 Changing the hydraulic oil........................................................................161
22.5 Replace castor wheel .....................................................................................161
22.6 Changing the rubber bars...............................................................................162
22.7 Setting the wear plates ...................................................................................162
22.8 Changing hydraulic hoses...............................................................................163
22.9 Vehicle hydraulics Changing the hydraulic oil and filter.................................163
22.9.1 Filter change ............................................................................................164
22.9.2 Changing hydraulic fluid...........................................................................165

Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 10
22.10 Electrohydraulics Changing the oil and cleaning the oil strainer....................166
22.10.1 Removing the oil ......................................................................................166
22.10.2 Draining oil ...............................................................................................166
22.10.3 Fill the hydraulic equipment with oil..........................................................166
22.10.4 Clean the oil strainer ................................................................................167
22.11 Pump drive......................................................................................................167
22.11.1 Pump drive via belts.................................................................................167
22.12 Welding work..................................................................................................168
23 Circuit diagrams ...................................................................................................169
24 Special tools and their use ..................................................................................170
24.1 Vehicle............................................................................................................170
24.2 Auxiliary engine ..............................................................................................170
24.3 AS 990............................................................................................................170
25 Shutdown ..............................................................................................................171
25.1 Vehicle............................................................................................................171
25.2 Auxiliary engine ..............................................................................................171
25.3 Snow plough...................................................................................................171
25.4 Sweep and pick-up unit ..................................................................................171
26 Index ......................................................................................................................172