MARUZEN KOGYO BH221, Руководство по эксплуатации

Страница: 15 / 21

15
SUITABILITY OF HYDRAULIC POWER SOURCE AND BH163 BREAKER
Refer to the following charts while using with power source other than Maruzen power units.
(1)
Suitability of oil flow (Pressure is in the range of 120
～
210kgf/
㎠
)
BH163 Activation Performance Effect on BH201 breaker Recommendation Countermeasure
Over 28L/min
△ ×
×
Damage of accumulator,
valves and etc
×
Use of flow control
valve
22
～
28L/min
○ △
Strong recoil
△
valves wear out easily
○
Reduce the number of
rotation of the engine
18
～
22L/min
○ ○ ○ ◎ ―
14
～
18L/min
△ △ ○ ○
N/A
Under 14L/min
× × ― ×
N/A

Use of orifice is an alternative to adjust oil flow of the power source.
(2) Suitability of pressure (Oil flow is in the range of 20
～
25L/min)
Power Source Activation Performance Effect on BH201 breaker Recommendation Countermeasure
Over 210kgf/
㎠ ○ ○
×
Damage of accumulator,
valves, hoses and etc
×
Pressure relief valve
140
～
210kgf/
㎠ ○ ○ ○ ◎ ―
100
～
140kgf/
㎠ ○ △ ○ ○ ―
80
～
100kgf/
㎠ △ △ ○ △ ―
Under 80kgf/
㎠ × × ― ×
N/A
＊
Oil flow has greater effects on breakers then pressure.