.
Voltage
Maximum No-Load
Minimum Full-Load
(Typical No-Load)
(Typical Full-Load)
60
Hz 50 Hz 50
Hz
(10,2-Wire) (10, 2-Wire) (10, &Wire
120
v
220
v
240
V
126 231 252
1
OB
205
(125) (228) (248)
224
(118) (21 5) (236)
Speed
/
Frequency
Maximum No-Load
Speed (rlmin)
Frequency (Hz)
(Typical Frequency)
Minimum Full-Load
Speed (rlmin)
Frequency (Hz)
(Typical Frequency)
3
p"
3780 3150 3150
63
52.5 52.5
(62.5) (52)
(52)
3570 2940 2940
59.5
49 49
(59.5-60.5) (49.5-50.5) (49.5-50.5)
*rp4c
.$f
GASOLINE MODEL
M.1877.1S
I.
SPEED
ADJUSTMENT
SCREW
SENSITIVITY
GASOLINE FUEL
SYSTEM
The fuel system must be in good condition and be prop-
erly
adjusted
for
efficient generator set operation. The
main components
of
the
fuel
system
are
the
air
filter
assembly, carburetor, choke, intake manifold, fuel filter,
fuel pump, and air preheater. When servicing, use the
procedures in the following sections.
Air Filter and Preheater Assembly
The air filter and preheater assembly consists
of
the air
filter cover, air filter, scroll assembly, preheat door, pre-
heat linkage, preheat hose and intake air stove portion
of the muffler assembly. See Figure
6-7.
The air filter, preheat linkage, preheat door, and preheat
air hose can be checked without removing the genera-
tor set from the vehicle. Remove the access cover and
the air filter cover. Remove the air filter retainer and pull
out the air filter. Inspection of the air filter and preheater
operation can be made at this point.
If
a problem exists with operation of the preheat door,
remove the generator set (see Set Removal, section
5)
and remove the enclosure assembly. Check preheater
linkage and adjust as required.
If
the problem is within
the scroll assembly, follow the Generator Removal
procedures (Section
8)
through the scroll removal step
and repair or replace as required.
AIR
FILTER
PRE-HEATER
HOSE
/
ADJUSTMENT
:
:
SCREW
M-1677
/
LPG MODEL
&f
FIGURE
6-6.
GOVERNOR ADJUSTMENTS
6-1
1
\
\
FS-1757-3
COVER
FIGURE 6-7. AIR FILTER AND PREHEATER ASSEMBLY
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