Enerpac EWCH140, Instruction Sheet

Page 1: ... DANGER Indicates a hazardous situation that if not avoided will result in death or serious personal injury NOTICE WARNING Indicates a hazardous situation that if not avoided could result in death or serious personal injury NOTICE CAUTION Indicates a hazardous situation that if not avoided could result in minor or moderate personal injury NOTICE Indicates information considered important but not h...

Page 2: ...hen they become dull Suitably maintained cutting tools with sharp edges are less likely to jam and are easier to control Always perform a visual inspection of the cutter before placing it into operation If any problems are found do not use the tool Make repairs before using the cutter Do not use the cutter if it is leaking oil Do not use the cutter if damaged altered or in need of repair Do not re...

Page 3: ...er during operation Stay clear of cutting area Wear eye and face protection 1 3 General Hydraulic Tool Safety Precautions Tools with external hydraulic pumps NOTICE WARNING Failure to observe and comply with the following precautions and instructions could result in death or serious personal injury Property damage could also occur Always read follow and completely understand all manufacturer s ins...

Page 4: ...d lock out power at the AC power supply and disconnect the hydraulic hoses Refer to the separate pump instruction sheet provided with the pump for detailed pump safety operation and maintenance instructions 1 6 Crush Hazard DANGER Cutter will start immediately when pump motor is ON and cutter advance or retract button is depressed DO NOT place hands fingers or other parts of your body inside the c...

Page 5: ...ll during operation if one or more of the maximum limits is exceeded 2 2 Specifications Cutter Model No Max Cutting Force Weight Max Hyd Operating Pressure Ambient Operating Temp Hyd Pump Tons kN lb Kg psi bar F C EWCH90 61 8 550 117 53 10 150 700 40 to 122 40 to 50 External EWCH140 61 8 550 198 90 10 150 700 40 to 122 40 to 50 External Notes Hydraulic pump sold separately Special Enerpac pump req...

Page 6: ...roduct dimensions are subject to change without notice Dimension in mm A 22 9 582 B 11 1 282 C 9 9 251 D 6 7 169 EWCH140 B C A D Product dimensions are subject to change without notice Dimension in mm A 30 8 782 B 9 6 245 C 12 2 309 D 6 7 169 D ...

Page 7: ...ning Handle 2 8 Moving Blade 9 Fixed Blade 10 Lifting Eye EWCH140 Cutting Head Details NOTICE Mounting location of positioning handle 2 Figure 1 item 7 has been changed for latest production EWCH90 cutters Handle now attaches to the lifting eye bracket instead of the cutter cylinder head Please note that the old handle mounting location remains shown in some of the figures on the following pages o...

Page 8: ...isconnecting couplers on a cutter that has been in operation NOTICE WARNING Never use any hydraulic component that contains damaged hydraulic couplers Never connect or disconnect a hydraulic coupler if the hydraulic circuit is pressurized Failure to observe these instructions may result in the uncontrolled release of pressurized hydraulic oil Skin penetration may occur Death or serious personal in...

Page 9: ... 2 Hydraulic and Electrical Connections at Cutter 2 1 Key 1 Hydraulic Hoses and Couplers 2 Electrical Connectors and Cable 6 4 Pump Setup Prepare the pump for operation as described in the pump instruction sheet Before connecting the pump to the cutter verify that the pump relief valve is set at 10 150 psi 700 bar Figure 3 Hydraulic and Electrical Connections at Pump 1 1 2 Key 1 Hydraulic Hoses an...

Page 10: ...ys close cutting head after performing any adjustments maintenance or repairs Be certain that cutting head is in good condition and secured 7 2 Opening and Closing the Cutting Head The cutting head can be opened and closed to allow the material to be inserted into the cutting head NOTICE WARNING Be certain that cutter is off before opening or closing the cutting head Serious personal injury may re...

Page 11: ... solid and stable work surface of sufficient weight rating capacity Refer to Section 2 2 for cutter weight Position the cutter as needed using the positioning handles located at the side and rear of the cutter hydraulic cylinder See Figure 1 If it is necessary to move or transport the cutter use only the cutter handles or the supplied lifting eye See Figure 7 Use appropriately rated lifting equipm...

Page 12: ...ly retracted This procedure may also be performed after the cutter has been serviced Refer to the cutter controls information in Section 8 6 of this manual when performing the air removal procedure 8 5 Positioning Material Always be sure that the piston and moving blade are in the fully retracted home position before placing any material inside the cutting head See Figure 8 90 90 Figure 9 Position...

Page 13: ...ace the material into the cutting head and close the cutting head Refer to Section 7 2 for additional information 5 Be sure that the material is positioned perpendicular to the piston axis as shown in Figure 9 Refer to instructions in Section 8 5 for additional information NOTICE Failure to properly position the material in the cutting head may result in blade breakage and reduced cutting efficien...

Page 14: ...forming any cleaning maintenance or repair procedures Failure to observe this precaution could result in death or serious personal injury 9 2 Cleaning Clean the cutter using a dry cloth or compressed air For plastic surfaces use a cloth slightly dampened with water Use a soft brush or compressed air to remove any cutting remnants or debris that have collected in the cutting head These items can be...

Page 15: ...ve retaining ring Figure 12 item 1B Remove clevis pin Figure 12 item 5 and cutting head Figure 12 items 6 14 7 For model EWCH90 remove nine capscrews Figure 12 item 6 washers Figure 12 item 13 and nuts Figure 12 item 14 For model EWCH140 remove six socket head screws washers and nuts 8 Separate left side outer plate Figure 12 item 9 inner plate Figure 12 item 11 and right side outer plate Figure 1...

Page 16: ...de as described in the following steps 1 Start the pump Retract the piston to the home position 2 Stop the pump Be sure that hydraulic pressure is completely relieved 3 Disconnect pump from AC power supply NOTICE WARNING Always disconnect pump from AC power supply before beginning cutter blade replacement procedures Failure to observe this precaution could result in accidental startup as procedure...

Page 17: ...ing blade screw Figure 13 item 1 Torque to 18 ft lb 25 Nm Apply Loctite 243 or equivalent 9 Lubricate the slide slot and the tool guide in the cutting head using an NLGI Grade 2 extreme pressure lithium grease 10 Close the cutting head Refer to Section 7 2 for additional information 11 Test for proper operation before placing the cutter back into service 10 0 STORAGE 10 1 Storage Guidelines If the...

Page 18: ... Check pump relief valve setting Troubleshoot and repair pump and solenoid control valve as required Service Center Cutter seal wear and or internal damage Repair cutter as required Service Center 2 Cutter vibrates during operation Loose or missing screws or bolts Verify screws and bolts are properly tightened Replace any missing screws or bolts Operator 3 Piston does not advance or retract when p...

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