MARUZEN KOGYO BH221, Руководство по эксплуатации

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(Adjust oil flow to the right range)
An abrupt stop during operation 1. Couplers are not connected
2. Damage of control valve
1. Check each connected parts
2. Replace a control valve *
Oil leakage from control lever 1. Damage, wear or harden of O ring 1. Replace O ring *
Profuse Oil leakage from front end 1. Damage of U cup packing
2. Damage of U cup packing due to the
scratch of piston rod.
1. Replace U cup packing *
2. Replace U cup packing, remove the
scratch on piston rod *
Latch is nearly coming off 1. Damage of lock spring
2. Ware of latch
1. Replace lock spring *
2. Replace latch *
High pressure hose shakes intensely 1. Damage of accumulator diaphragm 1. Replace diaphragm *
Release the control valve but the breaker
does not stop
1. Foreign substance is caught in the
valve rod
1. Disassemble, clean and adjust *
For items with *, ask Maruzen dealers for service and maintenance.