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Enerpac E Series Repair Parts Sheet
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Enerpac E Series Repair Parts Sheet

Electric pump, dump and hold, solenoid valve, 100-120/200-250 vac - nema 5-15 plug / schuko cee 7/7
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Document
Number
L4352
To Protect Your Warranty, Use Only ENERPAC Hydraulic Oil.
Enerpac recommends that all kit components be installed to ensure optimum performance of the repaired product.
Fully relieve hydraulic pressure, disconnect hydraulic hoses and unplug AC power cord from electrical
WARNING
outlet before beginning any inspection, maintenance or repair procedures. Failure to observe these precautions
could result in death or serious personal injury. Appropriate shop safety procedures are to be followed during
disassembly and reassembly to minimize any possibility of injury.
Document
Revision
B
Models:
• EP3304SB and EP3304SB-G (100-120 VAC - NEMA 5-15 plug)
• EP3304SI and EP3304SI-G (200-250 VAC - NEMA 6-15 plug)
• EP3304SE and EP3304SE-G (200-250 VAC - Schuko CEE 7/7 plug)
Repair Parts Sheet
E-Series Electric Pump
Dump and Hold, Solenoid Valve
Document
Revision Date
10/2019
Product Date Code
Beginning With
A

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Summary of Contents for Enerpac E Series

  • Page 1 L4352 10/2019 To Protect Your Warranty, Use Only ENERPAC Hydraulic Oil. Enerpac recommends that all kit components be installed to ensure optimum performance of the repaired product. Models: • EP3304SB and EP3304SB-G (100-120 VAC - NEMA 5-15 plug) • EP3304SI and EP3304SI-G (200-250 VAC - NEMA 6-15 plug) •...
  • Page 2 The quantity of a part supplied in a repair kit or service assembly may be less than the total quantity shown in the parts list. • Information contained in this document is subject to change without notice due to design variables, product improvements and other factors. Copyright © 2019 Enerpac. All rights reserved.
  • Page 3 Figure 1 - Pump Exterior See Figure 1A Notes: Torque to 13-16 ft-lbs [18-22 Nm]. Torque to 10-12 ft-lbs [14-16 Nm]. Repair Parts List for Figure 1 Item Part Number Qty. Description k DC7887026 CE Safety Label Read Instructions DD6799026 Decal, Product Specification DD7248009 Plug, Dome, 7.5 Dia...
  • Page 4 Figure 1A - Speed Control Potentiometer and Cable Kit: DD7060960K Orientation Holes Orientation tab See Figure 14 for main electrical wiring diagram. Notes: Remove nut. Insert potentiometer through endcap, aligning orientation tab. Reinstall nut and torque to 8-10 in-lbs [0.9-1.1 Nm]. Apply decal, turn potentiometer shaft fully clockwise.
  • Page 5 Figure 2 - Miscellaneous Assemblies See Figure 2E See Figure 2D See Figure 3 See Figure 4 Refer to Figures 2A through 2D for electrical cable assemblies.
  • Page 6 Figure 2A - DC Power Cable Assembly: DD7061960 Black Section A-A J2 Connector Black Figure 2C - Serial Communications Cable Assembly: DD7064960 Black 1 Black 3 Red 2 Red 2 Serial Communication Port White 3 White 1 1 2 3 Section B-B Section A-A Figure 2C - Jumper Connection: DD7125960...
  • Page 7 Figure 2D - Pump Handle Kit: DD6789800SR Note: Torque to 42-47 in-lbs [4.7-5.3 Nm]. Repair Parts List for Figure 2D Item Part Number Qty. Description CAE1050108-1A Flat Washer DIN125A M5 CCE523028-1A Screw-SHCS, Hex, M5 x 0.8 x 25, 12.9, Zinc DD6789800 Casting Handle Pump DD7167026...
  • Page 8 Figure 2E - 2 Button, Pendant Assembly: DD7278900SR2 See Figure 14 for main electrical wiring diagram. Note: Torque to finger tight plus an additional 1/4 turn. Repair Parts List for Figure 2E Item Part Number Qty. Description DD7278900 Pendant and Cable Assembly, 2 Button DC9538021 Locking Nut 20mm DD7350026...
  • Page 9 Figure 3 - Motor Controller Cover Assembly 13 3 11 2 11 2 Notes: Install ground cable with ring terminal between star washers. Torque to 8-10 in-lbs [0.9-1.1 Nm]. • Attach all wires including ground wire! • Remove lip seal from old cover and attach to new Remove adhesive backing before installation.
  • Page 10 Figure 4 - Power/App Assembly See Figure 14 for DIP switch settings. 11 2 Notes: Install ground cable with ring terminal between star washers. Torque to 8-10 in-lbs [0.9-1.1 Nm]. Torque to 5-6 in-lbs [0.6-0.7 Nm]. Remove adhesive backing before installation. Torque to 6-7 in-lbs [0.7-0.8 Nm].
  • Page 11 Figure 5 - Motor Stator Assembly SEE DETAIL ‘A’ See Figure 5B See Figure 5A SEE CROSS SECTION ‘A’ DETAIL ‘A’ - COUNTERWEIGHT ORIENTATION Notes: Insert tubes and torque to 200-220 in-lbs [23-25 Nm]. (At manifold end prior to installing pump into reservoir) Align notch in counterweight Apply Loctite 243.
  • Page 12 CROSS SECTION ‘A’ (Figure 5) See Figure 5D ORIENT FERRULE FOR COMPRESSION FITTING WITH SMALL OD TOWARD TUBE END Repair Parts List for Figure 5 Item Part Number Qty. Description CAE1060108-1A Washer-Flat, M6, 6.4 ID x 12 OD x 1.6, Din 125A, Zinc CBE619028-1A Screw-SHCS, Hex, M6 x 1 x 16, 8.8, Zinc DD6763101...
  • Page 13 Figure 5A - Flareless Tube Kit - A Port: DD7038268SR Item pre-assembled prior to shipment. (Assembled View) Note: Torque to 200-220 in-lbs [23-25 Nm]. Repair Parts List for Figure 5A Item Part Number Qty. Description CU421096 Ferrule, Ferulok, 0.25 Tube DD7038268 Tube, Flareless, A Port F100093-21...
  • Page 14 Figure 5C - Bulkhead Fitting Kit: DD7105093K Note: Torque to 200-220 in-lbs [23-25 Nm]. Repair Parts List for Figure 5C Item Part Number Qty. Description DD7105093 Bulkhead Fitting, 3/8" NPT x 0.25 Flareless DD7106044 Retaining Ring, External, 13/16" Shaft DD7447037 Gasket, Bulkead, E-Pulse Note: Bulkhead Fitting Kit DD7105093K includes all items listed in the table above.
  • Page 15 Figure 6 - Reservoir and End Cap Assembly Notes: Torque to 50-60 in-lbs [5.7-6.8 Nm]. Torque to 95-105 in-lbs [11-12 Nm].
  • Page 16 Foot, Rubber D DD7164108 Washer, Rubber Sealing, M6 See Figure 8 Endcap Assembly, Front See Figure 7 Endcap Assembly, Rear D DD7290026 Decal, Enerpac Logo, Die-cut D S3037 Gasket (See Figure 5, item 20) D - Included in Reservoir Kit DD6788025SR.
  • Page 17 Figure 7 - Rear End Cap Assembly Notes: Torque to 25-30 in-lbs [2.8-3.4 Nm]. Torque to 16-20 in-lbs [1.81-2.26 Nm]. See Figure 7A See Figure 1A See Figure 8A...
  • Page 18 Repair Parts List for Figure 7 Item Part Number Qty. Description CCE1040108-7A Lock Washer, External Tooth For M4 DD6786020 End Cap, Rear, Machined, Black D DD7017037 Gasket, Endcap DD7060960 Cable Assembly, Potentiometer DD7328001 Screw, Thread Forming, M4 x 12 Long DD7331217 Cable Tie, Screw Mount D - Included in Reservoir Kit DD6788025SR.
  • Page 19 Figure 8 - Front End Cap Assembly 10 1 Notes: Apply Loctite 2760. See Figure 12 for optional pressure gauge assembly. Torque to 8-10 in-lbs [0.9-1.1 Nm]. See Figure 8A Install to full depth. Torque to 16-20 in-lbs [1.81-2.26 Nm].
  • Page 20 Repair Parts List for Figure 8 Item Part Number Qty. Description B1240503 O-Ring, 2-1/8 ID, 0.070 W DC8228009 Dome Plug 1/2" DD3883028 Screw M4 x 10 Thread FRM, TRX DD6784020-1 End Cap, Front, Machined, Black DD7264808 Grommet, Valve, Rubber, 3/2E DD6997020 Cap, Gauge DD7002646...
  • Page 21 Figure 9 - Housing Assembly Notes: 14 5 Apply grease to aid assembly of housing to manifold. Torque to 7-9 ft-lbs [9.4-12.2 Nm]. Apply Loctite 2760, and torque to 55-65 in-lbs [6.2-7.3 Nm]. Install flush with top surface, after adding oil. Orient as shown.
  • Page 22 Repair Parts List for Figure 9 Item Part Number Qty. Description CAE1060055-1A Acorn Nut M6 CCA1042044-1C Retaining Ring CCA627028-5A Screw-Set, Flat, HS, M6 x 1 x 35, 45H, Plain DD7004900 Shaft, Sub Assembly DD7008476 Seal, Rotary 17 x 42 x 7 Figure 9A - Eccentric Kit: DD72575375SR Eccentric (items 1-4) is shipped pre-assembled.
  • Page 23 Figure 9B - Pump Housing Kit: DD7005900SR Assemble into center hole of pattern. Flush Notes: Press item 1 and 2 together flush as shown. 375-425 psi using 10 ton press. Press using finger. Lubricate with oil prior to assembly. Repair Parts List for Figure 9B Item Part Number Qty.
  • Page 24 Figure 9C - Piston Block Assembly Kits: DD7230900SR and DD7231900SR Manifold Piston Block O-Ring (Fig. 9D, Item 3) Piston (Ø 9mm or Ø 6mm) (Pump manifold viewed from below) Ø 9mm Ø 6mm Ø 6mm Ø 9mm Ø 9mm Ø 6mm Housing IMPORTANT: Side with oil port must face toward manifold.
  • Page 25 Figure 9D - Piston Block Seal Kit: EPPBSK See Figure 5 (item 20) for locations. This kit does not contain manifold gasket DD7319037. Order separately if needed. See Figure 5, item 15. See Figure 9 for location See Figure 9C for locations See Figure 9E for location...
  • Page 26 Figure 10 - Direct Drive Pump Assembly 13 9 See Figure 10A Notes: Torque to 10-12 ft-lbs [14-16 Nm]. Torque to 6-8 ft-lbs [8-11 Nm]. Coin at 300 psi on 10 ton press after assembly, Torque to orientation, 28 ft-lbs [40 Nm] min. Press into manifold 500 psi on 10 ton press.
  • Page 27 Figure 10A - Rebuild Kit, User-Adjustable Relief Valve: DD7234290K These parts not included in kit. Refer to Figure 10. Notes: Torque to 84-108 in-lbs [9.5-12.2 Nm]. Lubricate O-Ring. Press fit 150-200 psi on 10 ton press, Item 1 onto item 5. Torque to 13-16 ft-lbs [18-22 Nm].
  • Page 28 Figure 11 - 3/2 Solenoid Valve Assembly Solenoid Valve (See Figure 11A) Notes: Apply Loctite 243. Torque to 36-48 in-lbs [4.1-5.4 Nm]. Repair Parts List for Figure 11 Item Part Number Qty. Description B1004016 Ball, 5/32 Dia. CCA513028-5A Screw-Set, Flat, HS, M5 x 0.8 x 8, 45H, Plain...
  • Page 29 Figure 11A - 3/2 Solenoid Valve Kits: DD7096720SR and EP3SVK Notes: Apply Loctite 243. Torque core tube to 10-12 ft-lbs [13.6-16.3 Nm]. Torque valve assembly to 90-95 ft-lbs [122-129 Nm]. • EP3SVK is a full service replacement and includes all items shown in the parts list. •...
  • Page 30 Figure 12: Hydraulic Pressure Gauge Kit: EPGK INSIDE OUTSIDE NOTCH Notes: Torque to 28-34 ft-lbs [38-46 Nm]. Apply Teflon tape to NPTF thread. Repair Parts List for Figure 12 Item Part Number Qty. Description CF773900 Half Coupler, Hose End DD6796808 Grommet, Gauge, Rubber DD6988223 Gauge...
  • Page 31 Figure 13 - Hydraulic Schematic Diagram Quick Coupling (optional accessory) Valve Assembly 24VDC Coil Pump Assembly Removable Pressure Gauge with Quick Coupling User Adj. RV (optional accessory) (1,000-10,150 psi) Bypass Pressure (3000 psi)
  • Page 32 Figure 14 - Electrical Wiring Diagram DIP Switch Settings EP3304S Models...
  • Page 33 Figure 15 - Pump Cover Removal/Installation Instructions Rotate Approx. 30˚ Cover Pull Out Reservoir End Cap Hook Reservoir Removal/installation instructions: 1. Remove 2 pump handle screws and washers. 2. Remove pump handle. 3. Open cover and remove wire connections. 4. Rotate cover approximately 30˚ from closed position. 5.
  • Page 34 NOTES:...
  • Page 35 NOTES:...
  • Page 36 www.enerpac.com...

This manual is also suitable for:

Ep3304sbEp3304sb-gEp3304siEp3304si-gEp3304seEp3304se-g