3
Contents
Notes on the operating manual.............
2
Contact ....................................................
2
Device data..............................................
2
Intended use............................................
2
Explanation of the symbols...................
4
Symbols in the instructions...................... 4
Symbols on the device............................
4
Type overview.........................................
5
Safety instructions .................................
6
Get informed!........................................... 6
User restrictions and hours of operation.. 6
Safe handling of fuel................................ 6
Check the device prior to use..................
7
Danger area............................................. 7
Use caution during operation................... 8
Prior to mowing........................................ 8
Use caution when mowing....................... 8
Caution when mowing slopes.................. 9
When work is completed......................... 10
Use caution during maintenance and re-
pair........................................................... 10
Device description AS 21 4T B&S.........
11
Device description AS 21 4T Comfort...
12
Control elements ....................................
13
Information on mowing..........................
14
Prior to starting.......................................
14
Fuel.......................................................... 14
Tanking up............................................... 14
Checking the engine oil level................... 14
Adjusting cutting height........................... 14
Cutting height at the rear wheels............. 15
Steerable front wheel AS 21 4T B&S...... 15
Steerable front wheel AS 21 4T Comfort. 16
Attaching the starter grip......................... 17
Starting ....................................................
17
Starting the device................................... 17
Driving .....................................................
17
Driving..................................................... 17
Turning.................................................... 17
Switching off and parking......................
18
Transport.................................................
18
Maintenance and cleaning.....................
19
Preparations............................................ 20
Cleaning the device................................. 20
General inspection................................... 20
Grease lubrication................................... 21
Maintaining the engine............................ 21
Checking the engine oil level................... 21
Checking the spark plugs........................ 21
Maintaining the air filter........................... 21
Checking the drive................................... 22
Checking the blade.................................. 22
Blade change........................................... 23
Checking engine brake............................ 23
Scope of delivery....................................
23
Assembly AS 21 4T B&S........................
23
Unpacking................................................ 23
Guide bar and handlebar......................... 23
Protection skirt and steerable front
wheel....................................................... 24
Assembly AS 21 4T Comfort..................
25
Unpacking................................................ 25
Guide bar and handlebar......................... 25
Protection skirt and steerable front
wheel....................................................... 25
Storage ....................................................
27
Storing the device.................................... 27
Longer storage........................................ 27
Restarting................................................ 27
Spare parts..............................................
27
Wear parts ...............................................
27
Disposal...................................................
27
Warranty ..................................................
28
Troubleshooting .....................................
29
Accessories.............................................
31
Changing the speed................................ 31
Technical data.........................................
32
Declaration of conformity ......................
33