BTS 630, 635
4 Operator's manual
10 Maintenance ............................................................................................................ 49
10.1 Maintaining the emission control system.......................................................... 49
10.2 Maintenance schedule ..................................................................................... 50
10.3 Maintenance work ............................................................................................ 51
10.3.1 Cleaning the machine........................................................................... 51
10.3.2 Topping up with fuel ............................................................................. 51
10.3.3 Tightening the V-belt ............................................................................ 53
10.3.4 Checking the thrust washers ................................................................ 54
10.3.5 Cleaning/Changing the air cleaner ....................................................... 55
10.3.6 Checking/cleaning/replacing the spark plug......................................... 57
10.3.7 Replacing the V-belt ............................................................................. 59
10.3.8 Replacing the fuel filter......................................................................... 62
10.3.9 Setting the idle speed ........................................................................... 63
10.3.10Cleaning the spark arrestor .................................................................. 64
10.3.11Cleaning the exhaust port .................................................................... 65
11 Troubleshooting ...................................................................................................... 67
12 Accessories ............................................................................................................. 68
13 Storage ..................................................................................................................... 69
14 Technical data ......................................................................................................... 70
14.1 BTS 630, 635, 635s.......................................................................................... 70
14.2 Fuel mixture table............................................................................................. 72
15 Emission control warranty ..................................................................................... 73
EC Declaration of Conformity ................................................................................ 77