Stihl MS 341 Instruction Manual - Page 47

Spark Arresting Screen, in Muffler, Checking the Spark Plug

Get Stihl MS 341 PDF manuals and user guides View all Stihl MS 341 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 47 highlights

English / USA Spark Arresting Screen in Muffler* Checking the Spark Plug Fine tuning for operation at high altitude A slight correction of the setting may be necessary if engine power is not satisfactory when operating at high altitude: : Check the standard setting. : Warm up the engine. Turn the high speed screw (H) clockwise (leaner) - no further than stop. : If the engine is down on power, check the spark arresting screen in the muffler. : Wait for the muffler to cool down. 1 2 213BA016 KN 000BA002 KN If the setting is too lean there is a risk of engine damage due to insufficient lubrication and overheating. : Take out the screw (1). : Remove the spark arresting screen (2). : Clean the spark arresting screen. If the screen is damaged or heavily carbonized, fit a new one. : Refit the spark arresting screen. : Fit the screw and tighten it down firmly. Wrong fuel mix (too much engine oil in the gasoline), a dirty air filter and unfavorable running conditions (mostly at part throttle etc.) affect the condition of the spark plug. These factors cause deposits to form on the insulator nose which may result in trouble in operation. * see "Guide to Using this Manual" 46 MS 341, MS 361, MS 361 C

  • 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
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
46
English / USA
MS 341, MS 361, MS 361 C
Fine tuning for operation at high
altitude
A slight correction of the setting
may
be
necessary if engine power is not
satisfactory when operating at high
altitude:
:
Check the standard setting.
:
Warm up the engine.
Turn the high speed screw (
H
) clockwise
(leaner) – no further than stop.
If the
setting is too lean
there is
a
risk of engine damage
due to
insufficient lubrication and
overheating.
:
If the engine is down on power,
check the spark arresting screen in
the muffler.
:
Wait for the muffler to cool down.
:
Take out the screw (
1
).
:
Remove the spark arresting
screen (
2
).
:
Clean the spark arresting screen.
If the screen is damaged or heavily
carbonized, fit a new one.
:
Refit the spark arresting screen.
:
Fit the screw and tighten it down
firmly.
*
see "Guide to Using this Manual"
Wrong fuel mix (too much engine oil in
the gasoline), a dirty air filter and
unfavorable running conditions (mostly
at part throttle etc.) affect the condition of
the spark plug. These factors cause
deposits to form on the insulator nose
which may result in trouble in operation.
Spark Arresting Screen
in Muffler*
213BA016 KN
1
2
Checking the Spark Plug
000BA002 KN