Advertisement
Quick Links
L2596
Rev. G
Service Instructions ....................... English ................ 10-15
Entretien ........................................ Français .............. 16-24
Serviceanleitung ............................ Deutsch ............... 25-33
Istruzioni Di Servizio ...................... Italiano ................ 34-42
Instrucciones De Mantenimiento ... Español ............... 43-51
Onderhoudsinstructies .................. Hollands .............. 52-59
To Protect Your
Warranty, Use Only
ENERPAC Hydraulic
Oil.
Enerpac recommends
that all kit components
be installed to assure
optimum performance of
the repaired product.
(begins with "A", "B", "C" or "D")
10/13
Pump Element Date Code
Figure 1, Pump Element Assembly (typical)
Item
1
2
3
4
Repair Parts Sheet/Service Instruction Sheet
Z-CLASS Pump Element 3-6
For Date Codes Beginning with the Letter "A", "B", "C" and "D"
Instruções de serviço .................... Português ........... 60-68
Huolto-ohjeet ................................. Suomalainen ....... 69-76
Serviceinstrukser ........................... Norsk .................. 77-84
Serviceinstruktioner ....................... Svensk ................ 85-92
Service I
......................................... Japanese .......... 93-100
ce I
................................................. Chinese ........... 101-107
Torque 120-144 in-lbs
[13,5-16 Nm]
Figure
Description
2A, 2B
Top Plate Assembly
3A, 3B
Eccentric Assembly
4
Piston Ring Assembly
5
Gear Pump Assembly
Intake
Torque 120-144 in-lbs
[13,5-16 Nm]
4
3
By-pass valve
2
High-pressure port
Safety relief valve
By-pass port
1
Advertisement
Related Manuals for Enerpac DC8143900
Summary of Contents for Enerpac DC8143900
- Page 1 ......... Japanese ..93-100 Onderhoudsinstructies ....Hollands ....52-59 ce I ..........Chinese ... 101-107 To Protect Your Intake Warranty, Use Only ENERPAC Hydraulic Torque 120-144 in-lbs [13,5-16 Nm] Oil. Enerpac recommends that all kit components be installed to assure optimum performance of the repaired product.
- Page 2 Section A-A Note: Plug installed in smaller port. Torque 17-19 Ft.-lbs Torque 144-168 in.-lbs [23-26 Nm] [16-19 Nm] Figure 2A, Top Plate Assembly for Gear Reduction Motor (ZU Series - All Date Codes) Repair Parts List for Figure 2A Item Part Number Qty.
- Page 3 (2 piston only) Section A-A Note: For ZE, ZG and ZW Series pumps with pump element date codes (6 piston only) A, B or C, see next page. Torque 17-19 Ft.-lbs Torque 144-168 in.-lbs [23-26 Nm] [16-19 Nm] Figure 2B, Top Plate Assembly for Direct Drive Motor (ZA Series - Aluminum Top Plate - (ZE, ZG and ZW Series - Steel Top Plate - Date Codes A, B, C and D)
- Page 4 IMPORTANT: ZE, ZG and ZW Series pumps with pump element date code A, B or C: New top plate and eccentric must be replaced as a set. Be sure to install ALL kit parts (see bottom of page). (2 piston only) Section A-A (6 piston only)
- Page 5 Note: Item 7 not used on ZA Series Figure 3A, Eccentric Assembly for Gear Reduction Motor Figure 3B, Eccentric Assembly for Direct Drive (ZU Series - All Date Codes) (ZE, ZG and ZW Series - Date Code D Only) (ZA Series - All Date Codes) Repair Parts List for Figure 3A (see graphic above) Repair Parts List for Figure 3B (see graphic above) Item...
- Page 6 Torque to 144-168 in.-lbs [16,3-19 Nm] ZRKS Detail A By-pass cap height SECTION A-A Fig. 5A 9 10 Detail A SECTION C-C Figure 4, Piston Ring Assembly (6 Piston Shown) Repair Parts List for Figure 4 (Note: part quantities will vary - quantities for 6 piston shown) Item Part Number Qty.
- Page 7 Repair Parts List for Figure 5 Item Part Number Qty. Description Gear Pump ✝ DC9219155 Bearing Ball 20 x 52 x 15 ★✝ B1400503 O-ring ★✝ B1402503 O-ring CCA633028-1A 12 SHCS M6 x 1.0 x 50 (6 piston only) ✜ DC9638101 Intake Spacer DC9642097 Intake Elbow...
- Page 8 1.0 FIRST STAGE, LOW PRESSURE - HIGH FLOW 1st stage = low pressure – high flow • By-pass valve is closed. • All low-pressure gear pump flow is routed through the high-pressure pistons inlet and outlet checks, (up to six sets) and then out the pressure port.
- Page 9 2.0 SECOND STAGE, HIGH PRESSURE - LOW FLOW 2nd stage = high pressure – low flow • By-pass opens at pre-set pressure. • Low pressure, gear pump flow, supercharges high pressure pistons. Remaining gear pump oil returns to tank via the by-pass valve.
-
Page 10: Troubleshooting
10/13 SERVICE INSTRUCTIONS: These Service instructions are intended to be used by qualified personnel at Authorized Enerpac Service Centers. Users of Enerpac equipment should see the pump Instruction Sheet for installation, operation, and maintenance information. ■ REQUIRED TOOLS AND TEST EQUIPMENT: ✓... - Page 11 Install the piston ring it from the pump. Note: The hex cam may come off with the onto the top plate with 12, M6x1.0x35, bolts (Enerpac P/N assembly. This will hold the pistons in if you do not need to CCA627028-1A).
- Page 12 Check Valve Removal Place check ball (Fig. 4, item 4) on outlet seat (Fig. 4, item 6) and apply 1500 lbs. of force by using tool DC9505816 and Set piston ring assembly in a bench press with the o-ring a hydraulic press. Note: This will install and coin the outlet grooves on the bottom.
-
Page 13: Test Procedure
Flow Flow Height /rev [mL/rev] /rev [mL/rev] in [mm] Number PSI [Bar] PSI [Bar] 1625 [112] DC8143900 10,300 [710] - 10,800 [745] 0.11 [1.8] 0.07 [1.15] .92 [23.4] 850 [58.6] DC9700900 10,300 [710] - 10,800 [745] 0.252 [4.13] 0.023 [0.38] .99 [25.1]... - Page 14 4.2 Bypass Valve Test Outlet Remove the pump assembly from the reservoir and place it on a test bench, lying on its side so the bottom Internal Relief Valve of the pump can be easily observed. Measure the bypass cap height shown in Figure 4. This dimension should closely match the value shown in the By-Pass Test Specification Table.
- Page 15 5.2 High Pressure Flow Measurement 5.4 High Pressure Flow Measurement Attach a V-152 relief valve to advance port of the valve on Verify sufficient oil exists inside the pump reservoir to the pump. Install a 0-15,000 psi pressure gauge onto the complete this test.
Need help?
Do you have a question about the DC8143900 and is the answer not in the manual?
Questions and answers