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20
ADJUSTMENT OF IDLE SPEED
When it is necessary to adjust the idle speed, perform it by the carburetor adjusting screw.
CHECKUP OF IDLE SPEED
●
Set the idle speed to 3,000 min
–1
.
If it is necessary to change the idle speed, use a phillips head screw driver on
the screw illustrated on the right.
●
To increase the idle speed, turn the adjusting screw clockwise.
To reduce the idle speed, turn the adjusting screw counterclockwise.
●
The carburetor is factory adjusted. However, after several use the idle speed
need to be re-adjusted.
STOPPING
1) Release the throttle lever (2) fully, and when the engine rpm has lowered, set
the I-O switch (1) to STOP the engine will now stop.
2) The cutting tool continues to rotate a while after stopping the engine. Wait until
it stops completely.
PREVENTION FROM CARBURETOR ICING
CAUTION:
●
When environmental temperature is higher than 10°C, always return
the shutter to normal (sun mark) setting. Otherwise the engine may be
damaged by overheating.
When the environmental temperature is low and humidity is high, water vapor
may freeze inside the carburetor and the engine drives unsteadily (carburetor
icing). Change the setting of the shutter as follows if necessary.
1. Remove the screw (1).
2. Change the direction of the shutter (2) as follows:
●
Environment temperature is higher than 10°C: Set the shutter in normal
position (sun mark).
●
Environment temperature is equal or lower than 10°C: Set the shutter in
anti-icing position (snow mark).
3. Tighten the screw.
STOP
(1)
(2)
(1)
(2)
Summary of Contents for MS-4300.4R
Page 30: ...30 DOLMAR DOLMAR DOLMAR 30 31 35 36 37 38 39 41 42 44 46 49 51 55 57...
Page 31: ...31 15 18 16 1 5 2 3 4 5 6 15...
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Page 33: ...33 10 20 3 12 2 8 11 12 2 11 12 2 5...
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Page 38: ...38 1 1 2 2 3 3 4 4 5 5 1 4 35 6 7 8 6 7 1 2 3 2 1 3 1 3 2 1 2 1 2 1 2 3 1 3 2 1 4 3 2 5 6 8 7...
Page 39: ...39 3 2 M6x30 1 4 M6x18 5 6 1 7 M6x30 8 2 9 M6x30 1 3 2 5 4 9 6 8 7...
Page 40: ...40 10 3 10 3 10 10 10 11 3 10 3 10 11...
Page 41: ...41 4 5 DOLMAR 300 300 305 12 2 5 4 1 1 2 3 4 3 2 1 20 30 3 2 1 4 5 4 5 4 3 2 1 5...
Page 42: ...42 1 2 10 10 51 1 2 1 2 SAE 10W 30 API SF 4 0 10 3...
Page 43: ...43 1 3 4 87 R M 2 10 E 10 1 2 3...
Page 44: ...44 1 5 6 A B 2 1 1 1 A 2 B 2 3 4 3 5 6 4 3 4...
Page 45: ...45 1 1...
Page 46: ...46 3 A 1 2 1 2 3 4 3 7 10 3 1 2...
Page 47: ...47 B 1 2 3 4 5 6 7 2 3...
Page 48: ...48 3000 1 1 2 1 STOP 2 10 C 1 1 2 2 10 C 10 C 3 STOP 1 2 1 2...
Page 49: ...49 1 3 1 2 2 4 6000 1 3 5 2 80 1 3 2 4 3 5 80...
Page 50: ...50 5 7 4 100 6 6 7 8 7 1 1 6 8 7 1...
Page 51: ...51 20 50 SAE10W 30 API SF 4 1 2 3 1 2 3 4 4 5 1 4 3 2...
Page 52: ...52 5 6 10 1 2 3 4 1 3 2 4 5 6 1 2 3 4 5 2 3...
Page 54: ...54 50 1 1 2 3 4 3 2 1 10 200 1 1 1 2 3...
Page 55: ...55 1 2 3 4 5 51...
Page 56: ...56 10 25 50 200 42 1 51 54 3 55 51 41 48 52 53 54 54 2 54 53 53 54 2 3 55 1 20 2 200 3...
Page 57: ...57 STOP 7 10 1...
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