ENGINE AR-CORE 3820326 - Caterpillar

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Move latch (1) to the unlocked position.
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Swing the air conditioner condenser (if equipped) outward until the air conditioner condenser comes into contact against the stopper. Do not force the air conditioner condenser to open further.
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Remove four pins (4).
Remove screens (2) and (3).
Check all of the core fins for debris.
Personal injury can result from air pressure.Personal injury can result without following proper procedure. When using pressure air, wear a protective face shield and protective clothing.Maximum air pressure at the nozzle must be less than 205 kPa (30 psi) for cleaning purposes.
Remove dust and debris from all of the core fins and from the screens. Compressed air is preferred, but high pressure water or steam can be used to remove dust and general debris from a core. See Special Publication, SEBD0518, "Know Your Cooling System" for more detailed information about cleaning core fins.
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Install screens (2) and (3). Make sure that the bottom of the screen is seated in bracket (5).
Secure screens (2) and (3) in position with pins (4).
Close the air conditioner condenser (if equipped).
Move latch (1) to the locked position.
Close the access door on the left side of the machine.