Product Instruction Manual
Page 21
... the condition of the idle speed screw (LA) after every correction to change the setting of the spark plug. N Check the electrode gap (A) and readjust if necessary - BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 19 N Warm up the engine. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the...
... the condition of the idle speed screw (LA) after every correction to change the setting of the spark plug. N Check the electrode gap (A) and readjust if necessary - BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C 19 N Warm up the engine. Adjusting Idle Speed N Turn the low speed screw (L) slowly clockwise until the...
Product Instruction Manual
Page 24
...daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer. 2) Not in muffler Readjust electrode gap Replace after 100 hours of operation Check Replace1) Cooling inlets Clean All accessible screws and nuts (... Clean Replace Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Spark arresting screen2) in all versions, country-specific x x x x x x x x x x x x x x x x x x x x x 22 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH...
...daily working time is longer or operating conditions are difficult (very dusty work be done by a STIHL servicing dealer. 2) Not in muffler Readjust electrode gap Replace after 100 hours of operation Check Replace1) Cooling inlets Clean All accessible screws and nuts (... Clean Replace Filter in fuel tank Check Replace filter Fuel tank Clean Carburetor Check idle setting Readjust idle x x Spark plug Spark arresting screen2) in all versions, country-specific x x x x x x x x x x x x x x x x x x x x x 22 BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH...
Product Instruction Manual
Page 27
.../min (810 m3/h) (770 m3/h) Air velocity Dry, blower mode BG 56: BG 56 C: BG 66: BG 86: BG 86 C: 9.0 lbs (4.1 kg) 9.3 lbs (4.2 kg) 9.7 lbs (4.4 kg) 9.7 lbs (4.4 kg) 9.9 lbs (4.5 kg) Dry, vacuum mode SH 56: 11.5 lbs (5.3 kg) SH 86: 12.2 lbs (5.7 kg) Electronic magneto ignition Spark plug (suppressed): Electrode gap: NGK CMR 6 H 0.020 in (0.5 mm) Fuel System All position diaphragm...
.../min (810 m3/h) (770 m3/h) Air velocity Dry, blower mode BG 56: BG 56 C: BG 66: BG 86: BG 86 C: 9.0 lbs (4.1 kg) 9.3 lbs (4.2 kg) 9.7 lbs (4.4 kg) 9.7 lbs (4.4 kg) 9.9 lbs (4.5 kg) Dry, vacuum mode SH 56: 11.5 lbs (5.3 kg) SH 86: 12.2 lbs (5.7 kg) Electronic magneto ignition Spark plug (suppressed): Electrode gap: NGK CMR 6 H 0.020 in (0.5 mm) Fuel System All position diaphragm...