. OPERATION DETAILED CONTROLS AND GAUGES ACCUMULATOR WARNING to 3 - 62 The accumulator is charged wit h high-pressure nitrogen gas, so mistak en operation may cause an exp losion, which will lead to serious injury or damage. When handling the accumulator, always do a s follows. The pressure in the control c ircuit cannot be completely removed. W hen removing the hydraulic eq uipment, do not stand in the direction that the oil spu rts out when carrying out the operation. Loosen the bolts slowly. Do not disassemble the accu Do not bring it near flame or Do not make holes in it or we Do not hit it, roll it, or subjec When disposing of the accu mulator, the gas must be released.
Plea se contact your Komatsu dist ributor to have this work carried out. The machine is equipped w ith an accumulator (1) in the contr he control circuit is a device to stor circuit. The accumulator in t pressure, and when this acc operate the control circuit fo stopped. Therefore, it is po umulator is installed, it is possible t r a short time even after the engine ssible to lower the work equipme under its own weight by ope to lower the work equipmen rating the control lever in the directio t. Accumulator (2) is a device t o store the pressure in the valve retur circuit. It is installed to protec t the valve return circuit when the wo equipment is suddenly oper ated.
Releasing Hydraulic Pre ssure with Accumulator nt to the ground. ng switch to the ON position. 1. Lower the work equipme 2. Stop the engine. 3. Turn the key in the starti 4. Move lock lever to the fr strokes back and forth, r 5. Set the lock lever to the pressure is not complete (2) in the valve return. ci 1. Lower the work equipme 2. Stop the engine. 3. Turn the key in the starti 4. Move lock lever to the fr ee position. Move the work equipme nt control lever and attachm ent control pedal to full ight and left to release pressure in t he control circuit. evers and attachment contr ol pedal. Note that the 5.
Set the lock lever to the LOCK position to lock the control l evers ly removed, so when removing acc umulator (1) in the control c ircuit and accumulator rcuit, loosen the bolts slowly and do not stand in the direction w here oil spurts out.