Maintenance 5 5.7.8. Maintenance every 500 operating hours All maintenance operations to be performed after 10, 50, 100 and 250 hours of operation also fall into this maintenance category. Service brake - Checking the brake pads and brake discs, checking the oil level Danger of accidents! If the oil level is too low, the service brake may break down! 1 If the brake fluid supply control lamp (1) lights up, you must immediately stop and check the oil level. Danger of accidents! If you use usually available brake fluid for filling up, the operational efficiency of the brake system may be impaired! Use only the prescribed oil for filling up! Do not use brake fluid!
Pay attention to utmost cleanness! 1. For maintenance operations, park and secure machine as described in chapter "5.1. Maintenance guide" on page 5-2 . 2. Check the brake fluid level at the expansion tank. The oil level must be 0.394 - 0.787 inch (10 - 20 mm) below the upper edge of the expansion tank (marking). max min 3. If you detect a significant oil loss, inform the responsible Komatsu dealer. 4. Check the brake discs and brake pads for wear and damage. 5. Only move the sub-tank to position (1) to refill it. WA90-5 – VEAM270100 5-51 WARNING WARNING CAUTION PO S 1