EXPLANATION OF COMPONENTS OPERATION HANDLING ACCUMULATOR The accumulator is charged with high-pressure nitrogen gas, so if any mistake is made in handling, there is danger of explosion leading to serious personal injury. Always observe the following when handling the accumulator. G Do not disassemble the accumulator. G Do not bring fire close or put the accumulator in a fire. G Do not drill holes, weld, or use a gas cutter. G Do not hit, roll, or subject the accumulator to any impact. G When disposing of the accumulator, the nitrogen gas must be released. Please contact your Komatsu distributor for assistance. An accumulator is installed in the control circuit.
The accumulator is installed in the position shown in the dia- gram on the right. METHOD FOR RELEASING PRESSURE IN ACCUMULATOR CONTROL CIRCUIT 1. Stop the engine. 2. Set the safety lock lever to the FREE position, then move the travel/stop lever fully backwards and forwards to release the pressure in the control circuit. Note: The pressure will not be completely released, so when removing the work equipment circuit, loosen slowly and do not stand in the direction where oil will spurt out. 3. Set the safety lock lever to the LOCK position, and lock the travel/stop lever. 3-28 WARNING