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114716
PORTABLE GASOLINE GENERATORS
R
120/240V
TWISTLOCK
120V
TW
ISTLOCK
120V
GFCI
120V
VOL
T
AGE
HOUR METER
AU
TO-ID
LE
OFF ON
SELECT
O
R
120
ONLY
120
+
2
40
RESET
TEST
E
NM
00000005
HOU
RS
1/1
0
OPERATION
Continued
AUTO-IDLE OPERATION
IMPORTANT:
Never start engine with elec-
trical loads connected. Start engine before
adding electrical loads.
1. If engine is cold, turn the Auto-Idle
switch OFF (see Figure 15).
2. Start engine. Allow engine to warm up
with no load for five minutes.
3. Turn Auto-Idle switch ON. Engine will
slow to idle speed. Engine idle speed
is preset. Idle speed adjustment should
not be necessary.
4. Operate generator according to speci-
fications outlined in owner's manual.
5. Engine will automatically increase to
normal operating speed when you plug
load into any generator outlet.
6. The Auto-Idle system should be turned
OFF when generator is shut down.
WARNING: Always set the idle
speed before turning on the Auto-
Idle. If idle speed is not set, the
larger resistor on the control board
may become hot. Heat from the
resistor may damage the protec-
tive coating on the control board.
Adjusting the Idle Speed
(Models MGR4500I and
MGR6000I)
IMPORTANT:
Adjust the idle speed only:
• If the idle speed becomes too high.
• If the engine idle speed will not regulate (en-
gine wants to “hunt” or speeds up and
slows down repeatedly).
1. Turn Auto-Idle switch OFF. Start en-
gine. Allow engine to warm up with no
load for five minutes.
Figure 15 - Control Panel
Auto-Idle Switch
2. Loosen the two m10 bolts mounting the
solenoid to the engine (see Figures 16
and 17).
3. Connect a volt meter to the 120-volt
duplex receptacle.
4. Fully push plunger into the solenoid
body (to manually engage solenoid)
and slowly slide solenoid back until the
engine is running at the proper idle
speed. At proper idle speed (2800 mini-
mum RPM), the meter should read 45-
55 Volts. Lower settings will cause the
Auto-Idle to not operate properly.
5. After reaching proper idle speed,
tighten M10 bolts to secure solenoid.
6. Turn Auto-Idle switch ON. Make sure
solenoid is engaged. When engaged, the
punger is pulled back into the solenoid.
7. If the engine speed is too slow, the en-
gine will want to “hunt” or speed up
and slow down repeatedly. When this
occurs, increase engine speed by adjust-
ing the throttle (refer to engines opera-
tion in Engine Manual).
Solenoid Mounting
Bracket
M10 Bolts
Solenoid
Figure 17 - Solenoid Bracket Location,
Model MGR6000I
Figure 16 - Solenoid Bracket Location,
Model MGR4500I
Solenoid Mounting
Bracket
M10 Bolts
Solenoid