MARUZEN KOGYO BH221 Operating Manual Download Page 1

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FOR THE SAFETY PURPOSE, PLEASE READ THIS MANUAL THROUGHLY

BEFORE ATTEMPTING TO USE THIS BREAKER. ANY FALES

OPERATING PROCEDURES WILL CAUSE DAMAGES OF THE MACHINE.
ALWAYS KEEP THIS MANUAL TO AN EASILY ACCESSABLE PLACE.

HYDRAULIC HANDHELD BREAKER

MODEL BH221

（

230

）

OPERATING MANUAL

MARUZEN KOGYO CO., LTD.

CAUTION

(Revised Mar.14, 2013

Summary of Contents for BH221

Page 1: ...RE ATTEMPTING TO USE THIS BREAKER ANY FALES OPERATING PROCEDURES WILL CAUSE DAMAGES OF THE MACHINE ALWAYS KEEP THIS MANUAL TO AN EASILY ACCESSABLE PLACE HYDRAULIC HANDHELD BREAKER MODEL BH221 230 OPER...

Page 2: ...the guidelines and safety alerts in the manuals and on the machine or use this machine in alternative ways from the manuals may result in system failure or serious personal injury Keep this manual wit...

Page 3: ...ecifications Descriptions 9 Precaution Labels and Positions 10 Inspection before Each Operation 11 Guidelines 12 13 Operation 13 14 Suitability of Power Source 15 Periodically Inspection 16 Installati...

Page 4: ...e In this manual and on machines labels the following safety alert symbol are used to express the potential level of hazard Safety alert symbols are to emphasize all operation which if not strictly fo...

Page 5: ...feeling tired 2 under the influence of drugs or alcohol 3 hands feet lower back or other parts of your body hurt or being injured Failure to observe this precaution can result serious injury or even d...

Page 6: ...this precaution can result getting burned CAUTION When lending someone the equipment Make sure the safety instructions have been thoroughly read and fully understood by the person who is going to use...

Page 7: ...njure them 2 For preventing flying debris make sure protection fences are being set up Failure to observe this precaution can result personal injury WARNING Be special cautions to high pressure gas 1...

Page 8: ...DO NOT operate this breaker on the following situations 1 drench part of the breaker or whole breaker into water or seawater 2 connect with power source which its oil flow and pressure exceeds prescri...

Page 9: ...m Working Pressure 80 120kgf 7 8 11 8Mpa Max Pressure 210kgf 20 6MPa Oil Flow 15 30L min Blow Per Minute 1100 1800bpm Shank Size Hex 1 X 4 1 4 Coupling 3 8 Couplers Max Hose Length 1 2 X 20m Accumulat...

Page 10: ...10 PRECAUTION LABELS AND POSITIONS Make sure labels are legible Replace new one when they are illegible...

Page 11: ...ment 3 Loose hose attachment Tighten hose attachment 4 Cracks on handle grips Replace new one 5 Wears found on Latch Replace new one 6 Damage cracks on tool Replace new one 7 Loose bolts on side handl...

Page 12: ...the breaker 1 Be cautious for not being injured by the front of the tool 2 Be cautious for not being tripped by the extension hoses 3 Make sure there are no obstacles at jobsite Be cautious not being...

Page 13: ...ecessary 12 After the operation use tool to push up the piston Immediately STOP the power source if the breaker does not stop after releasing the control lever Ask Maruzen dealer for repair and servic...

Page 14: ...and let engine run for a while to warm up the machines 3 Unlock the latch on breaker load the tool and lock the latch again 5 Clasp the handle grip bear down the breaker clasp the control lever gently...

Page 15: ...w 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 f...

Page 16: ...ment of each O ring More than 3 years INSTALLATION OF SIDE HANDEL 1 Place side handle on the flat part of front end of the breaker 2 Set washers with bolts Screw the bolts with torque 3 5kgf m 34 3N m...

Page 17: ...High pressure hoses is connected to the upper side of the breaker Functioning but weak hammering or low hammering speed 1 Low rate of oil flow from power source 2 Pressure in relief valve in power sou...

Page 18: ...mage 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 lat...

Page 19: ...19 EXPLODED VIEW MODEL BH221...

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