GROMMET 2V1937 - Caterpillar

Radiator, Aftercooler
Clean/Inspect Radiator
Check the radiator fins for debris. High pressure water is an excellent way to clean the debris out of the radiator fins. If necessary, use a light bulb behind the radiator fins to see if they are completely clean.Refer to Know Your Cooling System, SEBD0518, for more detailed information on cleaning your radiator fins.Clean/Inspect Aftercooler
Examine the aftercooler fins for external damage, insects, dirt, debris, salt, corrosion, etc. Use a firm stainless steel brush and soapy water to remove dirt, debris, salt, etc. Depending on your findings and operating environment, the maintenance interval for cleaning the air-to-air aftercooler may be more frequent.Inspect all hoses and gasket connections at each oil change. Constant torque hose clamps should be secure. Tighten these clamps until the spring is at least partially compressed.Inspect all welds for cracks. Check the mounting brackets in order to ensure that the brackets are secure and in good condition. Whenever aftercooler parts are repaired and/or replaced, a leak test is highly recommended. Refer to the service manual or consult your Caterpillar dealer for the correct procedure to use when performing a leak test.Belts
Check/Adjust
Check the condition and adjustment of alternator belts and fan drive belts.Inspect all drive belts for wear and replace if they show any signs of wear.If one belt in a set requires replacement, always install a new matched set of belts. Never replace just the worn belt. If only the worn belt is replaced, the new belt will carry all of the load, because the new belt will not be stretched as much as the older belts. All of the belts will fail in rapid succession.If the belts are too loose, the belts vibrate enough to cause unnecessary wear on the belts and the pulleys. If the belts are too tight, unnecessary stresses are placed on the pulley bearings and the belts, which might shorten the service life of both the pulley bearings and the belts.Inspect the condition and adjustment of the alternator belts and the fan drive belts.In order to check the belt tension, apply 110 N (25 lbs) of force midway between the pulleys. Correctly adjusted belts will deflect 13 to 19 mm (1/2 to 3/4inch). Adjust Alternator Belt
(1) Adjusting nuts. (2) Mounting bolt.1. Loosen mounting bolt (2).2. Turn adjusting nuts (2) in order to increase or decrease the belt tension.3. After the belt tension has been adjusted, tighten adjusting nuts (2). Tighten mounting bolt (1).If new belts are installed, check belt adjustment again after 30 minutes of engine operation. Replace belts in matched sets only. Adjust Fan Drive Belts1. To adjust the fan drive belts, loosen mounting bolts and adjust with adjusting bolt.2. Move the fan drive up or down as required to obtain the correct adjustment. Tighten mounting bolt and adjusting bolt.3. If new belts are installed, check belt adjustment again after 30 minutes of engine operation.Hoses and Clamps
Inspect
Hose replacement prior to failure is a cost effective preventive maintenance practice. Replacing a hose before it fails saves you money and