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REPLACING THE COOLANT
Drain
•
Completely drain the entire cooling system.
•
Used coolant must be disposed of or recycled in
accordance with legislation and local regulations.
Flush
•
Flush twice with clean water. Used coolant must be
disposed of or recycled in accordance with legisla-
tion and local regulations.
•
Using the Atlas Copco Instruction book, determine
the amount of PARCOOL EG required and pour into
the radiator top tank.
•
It should be clearly understood that proper cleaning
reduces contamination risks.
•
In case of "other" coolant residues inside the system,
the coolant with the lowest properties influences the
quality of the 'mixed' coolant.
Fill
•
To assure proper operation and the release of trapped
air, run the engine until normal engine operation tem-
perature is reached. Turn off the engine and allow to
cool.
•
Recheck coolant level and add if necessary.
Caution: do not top up when the engine is
hot.
Cleaning coolers
Keep the coolers (1), (2) and (3) clean to maintain the
cooling efficiency.
Service doors (4) are provided on both sides of the fan
cowl to allow easy access to the fan side surface of the
coolers.
Remove any dirt from the coolers with a
fibre brush. Never use a wire brush or metal
objects.
Clean by air jet in the direction of the arrow.
- 67 -
Steam cleaning in combination with a cleansing agent may
be applied (do not use jet at max. power).
To avoid damaging the coolers, angle
between jet and coolers should be approx.
90 °.
Close the service door(s).
Protect the electrical and controlling
equipment,
air
filters,
penetration of moisture.
Never leave spilled liquids such as fuel, oil,
coolant and cleansing agents in or around
the compressor.
etc.
against
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