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16

11.0  TROUBLESHOOTING

Refer to the Cutter Troubleshooting Chart (Table 2) for 

a list of common hydraulic cutter symptoms, possible 

causes and solutions.
For repair service, contact an Enerpac authorized 

service center. Inspection and repairs should be 

performed only by an Enerpac authorized service center 

or other qualified hydraulic tool service facility.

Table 2 - Cutter Troubleshooting Chart

Symptom

Possible Cause

Solution

Maint. Level

1.  Piston moves 

slowly and/or has 

difficulty cutting 

the material.

Blocked or restricted hydraulic oil 

flow.

Check for incomplete 

hydraulic connections, 

blocked hydraulic hoses or 

other similar problems.

Operator

Low hydraulic oil level.

Check oil level. Add oil if low.

Operator

Material being cut is outside of 

acceptable specifications.

Material properties must not 

exceed stated maximum 

limits. Refer to Section 2.1.

Operator

Low hydraulic oil pressure or flow.

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 pump motor 

is ON and cutter 

push buttons are 

pressed.

Pump not connected to electrical 

power.

Check that pump is connected 

to AC power supply. Be sure 

that pump is on.

Operator

Electrical cable disconnected at 

pump or at cutter.

Connect electrical cable.

Operator

Cutter push button switches and/or 

wiring defective. 

Repair or replace cutter 

electrical components as 

required.

Service Center

Pump solenoid control valve 

components defective. 

Repair or replace control valve 

components as required.

Service Center

4.  External oil leaks.

Loose hydraulic fittings.

Tighten loose fittings.

Operator

Damaged hydraulic hoses.

Replace hoses.

Operator

Damaged hydraulic couplers.

Replace couplers.

Service Center

Worn or damaged cutter 

components.

Repair cutter as required.

Service Center

Summary of Contents for EBH35

Page 1: ...CAUTION and NOTICE NOTICE 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...

Page 2: ...es when 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 ope...

Page 3: ...r 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 compl...

Page 4: ...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 instruc...

Page 5: ...ve Cutter may stall 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...

Page 6: ...IONAL AND INTERNATIONAL STANDARDS Enerpac declares that this product has been tested and conforms to applicable standards and is compatible with all CE requirements A copy of an EU Declaration of Conf...

Page 7: ...must be rated at 10 150 psi 700 bar or above 6 2 1 Connecting the Hydraulic Couplers 1 Be sure that pump motor is stopped 2 Be certain there is no residual pressure in the hydraulic circuit If pressu...

Page 8: ...from AC power supply 2 Connect one end of the electrical cable to the electrical connector at the pump electrical control box 3 Connect the other end of the electrical cable to the electrical connecto...

Page 9: ...hown in Figure 5 Close the safety guard as shown in Figure 6 7 0 CUTTER SAFETY GUARD 7 1 Description When closed the safety guard prevents hand contact with the moving piston and blade See Figure 4 Th...

Page 10: ...the cutter use only the supplied lifting eyebolt See Figure 7 Use appropriately rated lifting equipment NOTICE WARNING Because the cutter components are very heavy there is a risk of cuts crushing or...

Page 11: ...ut when the item is positioned against the fixed blade of the cutter After adjusting the support bolt be sure that the support bolt retaining nut is snug tight against the support bolt mounting ear Th...

Page 12: ...tter model Refer to the chart in Section 2 1 of this manual 1 Figure 11 Operation Advance Cut 2 2 Be sure that the piston is in the home fully retracted position See Figure 8 3 Open the safety guard R...

Page 13: ...mp instruction sheet for pressure relief procedure The pump must be disconnected from the AC power supply The cutter must be given time to cool to prevent burns Procedures must be performed in a suita...

Page 14: ...Disconnect pump from AC power supply 9 5 Blade Replacement The use of worn blades decreases the effectiveness of the cutter and can also side load the cylinder possibly damaging the tool Pump overheat...

Page 15: ...fasteners are tight Replace repair or tighten components as needed NOTICE WARNING Always disconnect pump from AC power supply before beginning cutter blade replacement procedures Failure to observe th...

Page 16: ...ubleshoot 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 Loos...

Page 17: ...Notes...

Page 18: ...Notes...

Page 19: ...Notes...

Page 20: ...WWW ENERPAC COM...

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