Komatsu — Check parking brake

4.8 Service procedure Every 250 hours service Maintenance Use the diagram below for reference, and check if the electrolyte reaches the bottom of the sleeve. Filter port Sleeve Upper Lower 4. After adding distilled water, tighten cap (1) securely. GK032270 REMARK If distilled water is added to above the bottom of the sleeve, use a syringe to lower the level to the bottom of the sleeve. Neutralize the removed fluid with baking soda (sodium bicarbonate), then flush it away with a large amount of water or consult your KOMATSU distributor or battery maker.

When it is possible to use indicator to check electrolyte level If it is possible to use an indicator to check the electrolyte level, follow the instructions given. Check parking brake Test conditions z Tire inflation pressure: as specified A Lock z Road surface: Dry paved surface with 25% grade z Machine: Operating condition Free Test method 1. Start the engine and set the work equipment to the travel posture. GK032147 2. Align the machine facing straight to the front, then drive the machine up a 25% grade with the bucket empty. 3. Apply the brake to stop the machine, return the directional lever to the neutral position ‚N', set the parking brake to the LOCK position and stop the engine. 4.

Release the brake pedal slowly and check whether the machine is held in Stop position. 4-46 WA150-5H – VEAM934100 A Correct level The electrolyte level is up to the bottom of the sleeve, so the surface tension causes the surface to rise and the plate appears to be warped. B Too low (level) The electrolyte level is not up to the bottom of the sleeve, so the plate appears to be normal.