Lubrication & Maintenance/Daily 4. If the air cleaner has an automatic dust unloader valve (A), squeeze the unloader valve on air cleaner assembly to clear away any dust buildup. If equipped with air intake restriction indicator gauge (B), check gauge to determine if air cleaner needs to be serviced. RG7332A –UN–22JAN99 IMPORTANT: Maximum air intake restriction is 6.25 kPa (0.06 bar) (1.0 psi) (25 in. H 2 O). A clogged air cleaner element will cause excessive intake restriction and a reduced air supply to the engine. Dust Unloader Valve and Indicator Gauge 5. Make a thorough inspection of the engine compartment.
Look for oil or coolant leaks, worn fan and accessory drive belts, loose connections and trash build-up. Remove trash buildup and have repairs made as needed if leaks are found. A—Dust Unloader Valve B—Air Restriction Indicator NOTE: Wipe all fittings, caps, and plugs before performing any maintenance to reduce the chance of system contamination. Inspect: Radiator for leaks and trash build-up. Air intake system hoses and connections for cracks and loose clamps. Fan, alternator, and accessory drive belts for cracks, breaks or other damage. Coolant pump for coolant leaks. NOTE: It is normal for a small amount of leakage to occur as the engine cools down and parts contract.
Excessive coolant leakage may indicate the need to replace the coolant pump seal. Contact your engine distributor or servicing dealer for repairs. Continued on next page OURGP11,000018F –19–12FEB04–4/5 25-4 021604 PN=136