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Old 04-14-2012, 07:37 PM   #1
2 Rivet Member
1998 35' Cutter Diesel Bus w/slide
Laud by the sea , Florida
Join Date: Mar 2012
Posts: 48
radiator maintenance from CAT

Radiator - Clean
SMCS Code: 1353-070
Note: Adjust the frequency of cleaning according to the effects of the
operating environment.
Inspect the radiator for these items: damaged fins, corrosion, dirt,
grease, insects, leaves, oil, and other debris. Clean the radiator, if
Maintenance Section
Radiator - Clean
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.
Pressurized air is the preferred method for removing loose debris. Direct
the air in the opposite direction of the fan’s air flow. Hold the nozzle
approximately 6 mm (0.25 inch) away from the fins. Slowly move the
air nozzle in a direction that is parallel with the tubes. This will remove
debris that is between the tubes.
Pressurized water may also be used for cleaning. The maximum water
pressure for cleaning purposes must be less than 275 kPa (40 psi).
Use pressurized water in order to soften mud. Clean the core from
both sides.
Use a degreaser and steam for removal of oil and grease. Clean
both sides of the core. Wash the core with detergent and hot water.
Thoroughly rinse the core with clean water.
After cleaning, start the engine and accelerate the engine to high idle
rpm. This will help in the removal of debris and drying of the core. Stop
the engine. Use a light bulb behind the core in order to inspect the core
for cleanliness. Repeat the cleaning, if necessary.
Inspect the fins for damage. Bent fins may be opened with a “comb”.
Inspect these items for good condition: welds, mounting brackets, air
lines, connections, clamps, and seals. Make repairs, if necessary.
For more detailed information on cleaning and inspection, see Special
Publication, SEBD0518, “Know Your Cooling System”.
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