1 Repair Parts Sheet - Electric Pumps POWERFUL SOLUTIONS. GLOBAL FORCE. ZW5020NB-N (83C-PWR-1PH) ZW5020NG-N (83C-PWR-3PH) L3003 Rev. B 06/14 For Date Codes Beginning with the Letter B To Protect Your Warranty, Use Only ENERPAC Hydraulic Oil. Enerpac recommends that all kit components be installed to insure optimum performance of the repaired product See Figures 2 through 5 for additional components ft-lbs. [27-34 Nm] ft-lbs. [19-22 Nm] in-lbs. [6,8-8,5 Nm] Notes: 1 Apply Loctite 545 to threads. 2 Apply Loctite 243 to threads. 3 Torque capscrews in a crossing pattern to ensure even seating of gasket. Figure 1, Pump and Reservoir Assembly Repair Parts List for Figure 1 37 H DC Reservoir Gasket, Z 58 DC Wire Nut (not shown) 42 (See Figure 3) - Basic Assembly 68 DC Decal, Hot Surface 43 H S Copper Gasket 70 H DC Valve Gasket 44 CBE A 13 SHCS, M6 X 16 mm 71 (See Figures 4 & 5) 1 Control Valve 54 DC Motor, 1.5 HP 115/230V 1PH 75 DC Return Tube DC Motor, 1.5 HP 230/460V 3PH 76 CBE A 4 SHCS, M8 X 80 mm 55 BSS5509D 1 Spring 149 CJ Decal, Clockwise Rot. 57 CBE B 4 Motor Mounting Bolt H Items included in and available only as part of Repair Kit ZE3K.
2 ft-lbs. [27-30 Nm] ft-lbs. [48-54 Nm] 33 Figure 2, Additional Pump and Reservoir Components Repair Parts List for Figure 2 31 DC Reservoir, 20L 35 DC " Sight Glass, 20L 33 C Magnet 79 DC Decal, HIGH VOLTAGE 34 DD Flush Plug, 1/2 2
3 X ft-lbs. [27-30 Nm] ft-lbs. [61-64 Nm] in-lbs. [ Nm] ft-lbs. [20-24 Nm] ft-lbs. [20-24 Nm] in-lbs. 1 [ Nm] in-lbs. [40-43 Nm] 13 1 Note: Apply Loctite 545 to threads ft-lbs. [20-24 Nm] Figure 3, Basic Assembly Repair Parts List for Figure 3 10 Pump Element 1 (See RPS L2596) 23 H B O-Ring 11 F Fitting 5-4 FTX-S 24 H DC Copper Gasket 12 F Fitting, Hose Barb 25 H DC Pump Gasket 13 DC Hose, Bypass 8" 26 CBE A 2 SHCS, M6 X DC Cover Plate, ZE 27 DC Tube, ASM Steel 17 B Plug SAE #10 28 DC Intake Tube, 3" 20L 19 B Plug, SAE #8 29 DC Intake Filter 21 DC Connector Fitting 301 DC Breather Assy 22 H B Back-up 305 F Adapter H Items included in and available only as part of Repair Kit ZE3K. 3
4 Notes: Ft-lbs [14-16 Nm] Ft-lbs [43-53 Nm]. 3 Lubricate all seals and mating surfaces with grease prior to assembly. 4 Coin ball seat at psi using a 10-ton press. Use ball B to coin. 5 Press seat (item 2) into (item 1) to 1000 psi ±100 psi [68.9±6.8 bar] using a 10-ton press. Install ball B and coin ball seat to psi [ bar]. Install (Item 4) over ball as shown. Figure 4, Manifold Assembly Repair Parts List for Figure 4 1 DC WH Common Manifold 9 DC Relief Valve Seat 2 DC Seat 10 DC SR 1 Relief Valve Assembly (See Fig. 5) 3 B /4 Ball 11 A /8 Plug 4 DC Retainer 12 A /16 Plug 5 B PLUG, SAE #8 13 A /4 Plug 8 P Copper Seal 4
5 Grease before assembly Press Item 7 into Item 6 to 100 psi using a 10-ton press. Insert guide and ball onto end of AT-0325c to help hold in place during pressing. Figure 5, User Adjustable Relief Valve Assembly Repair Parts List for Figure 5 1 DC Body 6 DC Guide 2 BC FX 1 Set Screw 7 B /8 Dia. Ball 3 B X 1 O-Ring 8 B O-Ring 4 DC Plug 9 B Nut 5 A Spring Items included in and available only as Repair Kit DC SR. 5
6 NOTES: 6
7 NOTES: 7
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