27
Ignition Timing Check and Adjustment
(6) Press the SET key (S007). The LEVEL LED (D053) will be illuminated, and the status with the engine
rotating at the forced (set) speed will be displayed at one-second intervals, as shown below.
Display
Item
ףףצעע
(10.1400)
Forced engine rotational speed (example: 1400 min
-1
)
ףףצעע
(11.1400)
Engine rotational speed (example: 1400 min
-1
)
ף
קר
(12.0.56)
Compressor inlet pressure (Example: 0.56MPa)
ףׯ
קר
(13.0.56)
Compressor outlet pressure (Example: 0.56MPa)
ףױ
תױר
(15.85.0)
Compressor outlet temperature (Example: 85.0°C )
(7) In this state, press the UP (S005) or DOWN (S006) key to set the engine rotational speed to 800 min
-1
.
Press the SET key (S007) for one second or more, to con
¿
rm the set engine rotational speed. The TEST/
WARNING LED (D052) will be illuminated.
Caution
The forced engine rpm can be set within the range from the minimum speed to the maximum speed governed by
the engine, in units of 100 revolutions.
4. Ignition timing check
When the operation conditions stabilize, select “
עע
” operation data display, and display “
רע
” (engine
ignition timing). Check that this value is the value shown in table 1.
(1) Press the HOME (S004) key for one second or more. Menu item number “
עע
” (Figure.13) will
be
displayed. The TEST/WARNING LED (D052) will be illuminated. After that, “
ףףפץצק
” (as in the example
(Figure.14) where the engine has 12345 operating hours) will be displayed. The TEST/ WARNING LED (D052)
will be illuminated. In this state, press the SET (S007) key. The LEVEL LED (D053) will be illuminated.
Figure
.13
Figure
.14
(2) Press the UP (S005) or DOWN (S006) key to display “
רע
” (engine ignition timing). Check that this
value is the one shown in table 1 below.
Table 1 Ignition timing adjustment value: at 800 [min
-1
]
G (propane)
G(13A•12A)
K25 engine
10
Û
BTDC
10
Û
BTDC
(3) Attach the timing light on the high-tension wire for the no. 1 cylinder of the engine, and check the
ignition timing (refer to table 1 above). Compare it to the “
רע
” (engine ignition timing) value
displayed in 2) above.
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