Komatsu PC88MR-10 Shop Manual page 240

10 Structure and function
Accumulator
Attachment circuit accumulator (for low pressure circuit)
(Machines ready for installation of attachment)
1. Cap
2. Core
3. Ring
4. Lid
5. Bladder
6. Shell
Specifications
(PC138-PL40-030-K-01-A)
Gas to be used
Volume of gas (cc)
Charged pressure
(MPa {kg/cm 2 })
Max. pressure used
(MPa {kg/cm 2 })
Function
(PC138-PL40-042-K-02-A)
This accumulator is installed to the attachment piping to absorb the oil pulsation generated by the breaker
work into the compressed nitrogen gas in it for protection of the hydraulic component and piping.
10-162
(PC138-PL40-041-K-01-A)
Nitrogen gas
480
0.1 {1.0}
(At 80°C)
6.86 {70}
PC88MR-10