OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
3.9 Accumulator
Warning：
The accumulator is charged with high-pressure nitrogen gas. Improper operation may
lead to explosion and result in serious injury or damage.
When handling accumulator, always follow the steps below.
The pressure in control piping could not be completely released. When disassembling hydraulic devices,
do not stand in the oil ejecting direction. Loosen the bolts gradually.
Do not disassemble accumulator.
Do not place the accumulator close to naked flame or get it exposed in fire.
Do not drill holes or weld on accumulator.
Do not get accumulator hit, rolled or shocked.
When handling accumulator, it’s necessary to bleed the air. Please contact distributor.
The accumulator is fixed in control piping. The accumulator is a device being used to store pressure. With
this accumulator equipped, you are allowed to operate controlling piping in a short time, even if engine
stops. Therefore, work equipments could be lowered under their own weight by means of control lever.
Releasing pressure on a machine equipped with accumulator.
Lower the work equipment on the ground, turn off its breaker or other accessories.
Stop the engine.
Shift starting switch to ON position to flow the circuit current.
Set safety lock lever to free position. Operate work equipment lever and accessory control pedal forward,
backward, leftward and rightward alternately to release pressure in piping.
Set safety control lever to LOCK position to lock up control lever and accessory pedals.
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