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Use as a welder
© MOSA
REV.0 - 11/08
18/1
1/08 22262-GB
AUTO IDLE
Operation
When the engine is switched on it immediately
reaches a maximum speed of 4000 rpm for ap-
proximately 6/7 seconds for easy start up, after
which it automatically decreases and idles at
2000 rpm. It remains at this speed until current
is drawn when set to weld or auxiliary power.
When set to weld mode the machine reaches
maximum engine speed as soon as there is mi-
nimum contact between the tip of the electrode
and the piece to be welded and also when set to
generation drawing a minimum of 250 – 300 W
The machine returns to minimum 6/7 seconds
later if power is not drawn during welding or
generation.
Checking and adjusting idling speed
-
Check idling speed when COLD;
- When the engine is switched on it reaches ma-
ximum speed; after 6/7 seconds it decreases
automatically to idle. Check the speed when
the engine idles;
- The idling speed corresponds to 33-35 Vdc
(only for Italy 42-45 Vdc) at the welding sockets
or the equivalent at 2000-2200 rpm.
Minimum welding voltage TOO LOW
- From Fig. 1 proceed as follows:
• when the machine idles (engine cold)
• Keep pin A locked (8 mm spanner) and un-
screw nut B (7 mm spanner)
• Again with pin A locked, turn nut C clockwi-
se (7 mm spanner) 1 - 3 mm: The more it is
extended the more the idle speed increases
• Tighten nut B on pin A and check the idling
speed.
Minimum welding voltage TOO HIGH
- From Fig. 1 proceed as follows:
• When the machine idles (engine cold)
• tKeep pin A locked (8 mm spanner) and un-
screw nut B 1-3 mm (7 mm spanner)
• Again with pin A locked, turn nut C anticlockwi-
se (7 mm spanner) until nut B touches pin A
• Tighten nut B against pin A and check that the
idling speed is correct.
Adjusting the maximum engine speed
FIG. 1
FIG. 2
To check that the maximum engine speed is
correct simply measure the welding voltage
(under no-load conditions) at maximum engine
speed which must be 49-51 V (only for Italy
66-68 Vdc).
Turn screw (A) to adjust the engine speed Fig. 2.
Turning the screw clockwise increases the idling
speed , screwing it anticlockwise decreases the
maximum engine speed.
M
34.1
NEW MAGIC WELD
Содержание NEW MAGIC WELD
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