Stihl HT 101 Instruction Manual - Page 33

Engine Management, Adjusting the Carburetor - carburetors

Get Stihl HT 101 PDF manuals and user guides View all Stihl HT 101 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 33 highlights

English Engine Management Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware. Adjusting the Carburetor The carburetor comes from the factory with a standard setting. This setting provides an optimum fuel-air mixture under most operating conditions. With this carburetor it is only possible to adjust the high speed screw within fine limits. Adjusting idle speed WARNING If the chain continues moving when the engine is idling, have your machine checked and repaired by your servicing dealer. Engine stops while idling 249BA066 KN HL LA N Warm up the engine for about 3 minutes. N Turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly - the chain must not rotate. Chain rotates when engine is idling N Turn the idle speed screw (LA) counterclockwise until the chain stops running and then turn the screw about another 1/2 to 3/4 turn in the same direction. HT 100, HT 101, HT 130, HT 131 31

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
HT 100, HT 101, HT 130, HT 131
English
31
Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
With this carburetor it is only possible to
adjust the high speed screw within fine
limits.
Adjusting idle speed
Engine stops while idling
N
Warm up the engine for about
3 minutes.
N
Turn the idle speed screw (LA)
slowly clockwise until the engine
runs smoothly – the chain must not
rotate.
Chain rotates when engine is idling
N
Turn the idle speed screw (LA)
counterclockwise until the chain
stops running and then turn the
screw about another 1/2 to 3/4 turn
in the same direction.
WARNING
If the chain continues moving when the
engine is idling, have your
machine
checked and repaired by your servicing
dealer.
Engine Management
Adjusting the Carburetor
249BA066 KN
LA
H
L