COVER 5169839 - Caterpillar

(5)Batteries
Do not smoke when observing battery electrolyte level. Batteries give off fumes that can explode.Electrolyte is an acid and can cause personal injury if it contacts skin or eyes.
1. Clean the top of the batteries and remove the fill caps. Observe electrolyte level.2. Maintain the electrolyte level to the bottom of filler openings. Use distilled water.(6)Pre-Lube Pump-Earlier type
1. Check the oil level.2. Maintain the oil between the ADD and FULL marks on the dipstick.(7)Zinc Rods-Salt water only
1. Stop the engine. 2. Remove the two zinc rods from the raw water pump outlet. 3. Remove the two zinc rods from the aftercooler line. 4. Tap the zinc rods lightly with a small hammer.5. Inspect the rods. If the zinc rod has deteriorated, or flakes apart when tapped, install a new zinc rod.Installing New Zinc Rod
1. Unscrew or drill the existing rod from the plug base.2. Install a new rod in the plug base.3. Install the plug.