. OPERATION MACHINE OPERATIONS AND CONTROLS OPERATION MACHINE OPERATIONS AND CONTROLS 2. Open battery inspection cover (1) and check sight for the oil level. If it stays within the following range, it is regarded as appropriate. In Machine Condition A: Within the range a In Machine Condition B: Within the range b 3 - 64 gauge (G) NOTICE Do not add oil above the H line. This will damage the hydrauli c circu it or cause the oil to spurt out.
If oil has been added above t he H level, stop the upper structure so tha t the drain plug (P) under the hy draulic tank will be between both tracks, and stop the engine and wait for the hydraulic oil to cool down, the n drain the excess oil from drain plug ( P). 3. If it is below the L lev el, open the mud cover and ad d through filler port (F). REMARK The oil level will vary dep ending upon the oil temperatu Accordingly, use the follo wing as the guide: und L level 30°C (50 to 86°F)) und H level 80°C (122 to 176°F)) Before operation: aro (Oil temperature 10 to Normal operation: aro (Oil temperature 50 to 4.
When oil has been ad ded in condition A, swing the b oom to the center position as sho boom, arm, and buck cap, and install the c wn in the diagram on the right, extend the et cylinders fully, then remove t he oil f iller ap again to pressurize the tank . NOTICE Be sure to pressurize the hy draulic tank. If it is not pressurized , the p ump will suck in air, and this will adversely affect the equipment.