Komatsu — 4.11.1 BATTERIES - CHECK FLUID LEVEL

MAINTENANCE 4.11 EVERY 500 OPERATING HOURS OR MONTHLY 4.11.1 BATTERIES - CHECK FLUID LEVEL See illustration Z 21773 G Batteries give off highly inflammable gas! Never allow sparks or open flame near the batteries! G Avoid spilling any electrolyte on hands or clothing. Repair or replace all broken wires immediately. All termi- nals must be clean and securely fastened; never paint connections. G DO NOT short across or ground any terminals of the bat- teries. Check electrolyte level: NOTICE The batteries are located below the walkway floor in two sep- arate boxes. To get access to the batteries remove floor plate fastening bolts and open the hinged floor plates.

Secure the open floor plates against falling down with the safety chains provided. 1. Remove the two battery main switch keys (1). 2. Open floor plates (2). 3. Check electrolyte level of batteries (3) see illustr. (Z 0077). 4. If necessary remove filler and breather caps and top up with clean distilled water. 5. See that contact surfaces of battery terminals are bright. Clean if necessary and apply some vaseline to the terminal posts. G Care must be taken that the batteries are not overfilled as the electrolyte will expand and overflow when the tem- perature rises. G On removal always disconnect the ground (-) cables first.

When re-installing the batteries connect the positive (+) cables first. 355 WARNING WARNING