POWERTECH™ 2.9 L OEM Diesel Engines - John Deere Industrial ...

Lubrication & Maintenance/DailyCheck Air CleanerIMPORTANT: Maximum air intake restriction is 3.5kPa (0.03 bar) (0.5 psi) (14 in.) H 2 O. Aclogged air cleaner element will causeexcessive intake restriction and areduced air supply to the engine.1. Squeeze dust unloader valve (A) on air cleanerassembly to remove dust deposits. If clogged, remove andclean the dust unloader valve. Replace if damaged.IMPORTANT: Do not operate engine without the dustunloader valve.European Air CleanerRG11535 –UN–01DEC00If equipped with air intake restriction indicator gauge (B),check gauge. Service air cleaner when indicator is red.Inspect Engine Compartment1. Make a thorough inspection of the engine compartment.Look for oil or coolant leaks, worn fan and accessory drivebelts, loose connections and trash build-up. Remove trashbuild-up and have repairs made as needed if leaks arefound.NOTE: Wipe all fittings, caps, and plugs beforeperforming any maintenance to reduce the chanceof system contamination.North American Air CleanerA—Dust Unloader ValveB—Restriction Indicator GaugeRG7332 –UN–06JAN99Inspect:• Radiator for leaks and trash build-up.• Air intake system hoses and connections for cracks andloose clamps.• Fan, alternator, and accessory drive belts for cracks,breaks or other damage.• Water pump for coolant leaks.NOTE: It is normal for a small amount of leakage to occuras the engine cools down and parts contract.Excessive coolant leakage may indicated theneed to replace the water pump seal. Contactyour engine distributor or servicing dealer forrepairs.Continued on next pageRG,RG34710,5059–19–11FEB03–4/525-4 060106PN=72