HOSE 1946478 - Caterpillar

You must read and understand the warnings and instructions contained in the Safety section of this manual before performing any operation or maintenance procedures.Walk-Around Inspection
Inspect Engine
1. Make sure lines are properly clamped and tight. Check for loose fittings or leaks.2. All guards must be in place. Repair or replace missing or damaged guards.3. Disconnect any battery chargers that are not protected against the starter current drain. Check condition of batteries and the level of electrolyte.4. Check for coolant, fuel or oil leaks on or below engine.5. Check condition of all belts. Replace if necessary.6. Check condition of gauges. Replace if cracked or if gauges can not be calibrated to zero ("0").Engine Oil
Measured Oil Level
1. Maintain oil level to FULL mark on the ENGINE STOPPED side of dipstick. Add oil if necessary. 2. Remove oil fill cap to add oil.Radiator
Check Coolant Level
Typical Example1. Remove the radiator filler cap slowly to relieve pressure. Inspect condition of cap gasket. Replace cap if necessary.2. Maintain coolant level to the bottom of the filler tube. Install the radiator filler cap.3. Inspect for leaks or damaged hoses. Make repairs if necessary.Clean Outside of Folded Core Radiator
Compressed air, high pressure water or steam can be used to remove dust, leaves and general debris from a folded core radiator. Clean as required by condition of radiator.The use of compressed air is preferred.Refer to "Know Your Cooling System," Form SEBD0518, for the complete procedure and instructions.Fuel Tank
Drain Water and Sediment
Open drain valve. Allow water and sediment to drain into a container. Close drain valve. Wipe up spills. The fuel tank drain valve on your tank may be different than the one shown above.Air Cleaner
Check Air Cleaner Indicator
Service the air cleaners with the engine stopped.
Change the air cleaner elements when the indicator diaphragm (1) enters the red zone (2).Change/Wash the Primary Element
1. Remove the air cleaner cover. 2. Remove the primary filter element form the air cleaner housing. 3. Clean the inside of the air cleaner housing.4. Clean and inspect the primary element. See "Cleaning Primary Elements".5. Install a clean primary element.6. Clean and install the cover. Tighten the cover bolts finger tight. Do not use a tool to tighten the bolts.If the yellow piston in the filter element indicator moves into the red zone after starting the engine, or the exhaust smoke is still black after installation of a clean primary filter element. Install a new primary filter element.The primary element should be replaced after being cleaned a maximum of six times. Replace the element once a year even though it has not been cleaned six times.Change the Secondary Element
Always replace the secondary filter element. Never attempt to reuse it by cleaning.The secondary filter element should be replaced at the time the primary element is serviced for the third time.The secondary filter element should also be replaced if the yellow piston in the filter element indicator enters the red zone after installation of a clean primary element, of if the exhaust smoke is still black.
1. Open