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AR-EXP-CUMMINS-07-00 OWNERS MANUAL
Page 28
7.4. INSTRUMENTS READING
Additional to the digital module, the control panel has ana-
log capabilities hat provide more durability and low mainte-
nance cost.
Those instruments are:
• Amperes meter
• Volt meter
• Frequency meter
• Temperature meter
• Oil pressure level
• Battery charge meter.
To check the readings of volts, amperes ad frequency of
each phase the control panel has a toggle switch that will
allow to change between the readings of each phase.
When it is on he of position no lecture will be received. Posi-
tion number 1 will give the readings of the phase L1, posi-
tion number 2, will give the readings of the phase L2, and
position number 3 will give the reading of the phase L3 only
on 3 phase equipments. Single phase equipments will give
no reading on this position.
8. ENGINE
8.1. CHECKS DURING OPERATION
While running, make the following checks to see that all
parts are working correctly.
Radiator Cooling water (Coolant)
To avoid personal injury:
• Do not remove radiator cap until coolant temperature
is well below its boiling point. Then loosen cap slightly
to the stop position, to relieve any pressure, before
removing cap completely.
When the engine overheats and hot coolant overflows
through the overflow pipe and cannot be stopped, stop the
engine immediately and make the following checks to deter-
mine the cause of trouble:
1. Check to see if there is any coolant leak;
2. Check to see if there is any obstacle around the cooling
air inlet or outlet;
3. Check to see if there is any dirt or dust between radiator
fins and tube;
4. Check to see if the fan belt is too loose;
5. Check to see if radiator water pipe is clogged; and
6. Check to see if anti-freeze is mixed into coolant in warm
seasons.
Fuel
To avoid personal injury:
• Fluid escaping from pinholes may be invisible. Do not use
hands to search for suspected leaks; Use a piece of card-
board or wood, instead, If injured by escaping fluid, see a
medical doctor at once. This fluid can produce gangrene or
a severe allergic reaction.
• Check any leaks from fuel pipes or fuel injection pipes.
Use eye protection when checking for leaks. Be careful not
to empty the fuel tank. Otherwise air may enter the fuel
system, requiring fuel system bleeding.
While the engine is run within the rated output range:
• The color of exhaust remains colorless.
• If the output slightly exceeds the rated level, exhaust may
become a little colored with the output level kept constant.
• If the engine is run continuously with dark exhaust emis-
sion, it may lead to trouble with the engine.
• Immediately stop the engine if;
• The engine suddenly slow down or accelerates.
• Unusual noises suddenly appear.
• Exhaust fumes suddenly become very dark.
8.2. MAINTENANCE SCHEDULE
Perform maintenance at whichever interval that occurs first.
At each scheduled maintenance interval, perform all previ-
ous maintenance checks that are due for scheduled main-