New Holland WorkMaster 50 Service Manual page 49

Air cleaner - Cleaning
WARNING
Chemical hazard!
Stop the fan before you open the lid. Avoid exposure to airborne chemicals. Dust and fumes will be
exhausted if you open the tank lid while the tank is pressurized. Chemicals may cause eye, skin, or
breathing problems. Wear a face mask, gloves, and goggles.
Failure to comply could result in death or serious injury.
1. Clean the outer element using either method (A) or (B),
depending on the elements condition.
NOTE: An outer element may be dry cleaned (methods A
or B). Every 300 h or when warning bulb glows (whichever
is earlier).
Outer element to be replaced after 3 times of cleaning by
method B or maximum 900 h.
Inner element should be replaced after three outer element
replacements or every 2700 h whichever is earlier.
NOTE: Clean the air filters in a well ventilated room with a provision to artificially throw out the dusty air. If it is not
available, it is advised to do the cleaning outdoors, but never in an unventilated room.
Method A
Lightly tap the element against the palm. Continue till
the accumulated dust comes out completely.
NOTE: Do not tap the element against a hard surface. This
will damage the element.
Method B
Using compressed air, not exceeding 1.3 bar, insert the
air nozzle inside the element.
NOTE: Hold the nozzle at a safe distance from the element.
Blow the dust from the inside, through the element, to the
outside.
Never blow air from outside to inside.
Engine - Air cleaners and lines
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