Enerpac CULP10 Скачать руководство пользователя страница 11

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7.  Troubleshooting Guide

Refer to the troubleshooting guide when diagnosing cylinder operational problems. Please note that the 

troubleshooting guide is not all-inclusive, and should be considered only as an aid to help diagnose the most 

common possible problems.
For repair service, contact your nearest Enerpac Authorized Service Center. As required, also refer to the 

troubleshooting information provided with your hydraulic pump or power unit.

Troubleshooting guide

Symptom

Possible Cause

Solution

1.  Plunger will not advance.

a. Pump release valve open.

Close pump release valve.

b. Directional control valve not in proper position. Shift directional control valve to proper 

position.

c. Coupler not fully tightened.

Tighten coupler.

d. Pump oil level is low.

Add oil to pump reservoir as required.

e. Pump malfunctioning.

Repair or replace pump as required.

f. Cylinder load rating too low for application.

Use a cylinder with a higher load rating.

g. Cylinder seals leaking.

Repair or replace cylinder.

2.  Plunger advances only 

part way.

a. Oil level in pump is low.

Add oil to pump reservoir as required. 

b. Coupler is not fully tightened.

Tighten coupler.

c. Cylinder plunger binding.

Repair or replace cylinder.

3.  Plunger advances 

erratically.

a. Air in hydraulic system.

Remove air from hydraulic system.

b. Cylinder plunger binding.

Repair or replace cylinder.

4.  Plunger advances more 

slowly than normal.

a. Leaking connection.

Repair leaking connection.

b. Coupler not fully tightened.

Tighten coupler.

c. Pump malfunctioning.

Repair or replace pump as required.

5.  Plunger advances but will 

not hold.

a. Pump malfunctioning.

Repair or replace pump as required.

b. Leaking connection.

Repair leaking connection.

c. Incorrect system set-up.

Check hose connections at pump 

and cylinders.

d. Cylinder seals leaking.

Repair or replace cylinder.

6.  Cylinder leaks oil.

a. Worn or damaged cylinder seals.

Repair or replace cylinder.

b. Internal cylinder damage.

Repair or replace cylinder.

c. Loose connection.

Tighten or repair connection.

7.  Plunger will not retract 

or retracts more slowly 

than normal.

a. Pump release valve opened.

Close pump release valve.

b. Directional control valve not in proper position. Shift directional control valve to 

proper position.

c. Pump reservoir is overfilled.

Drain oil from pump reservoir as re-

quired.

d. Improper hose connections.

Check hose connections.

e. Narrow hose restricting oil flow.

Replace with larger diameter hose.

f. Internal cylinder damage.

Repair or replace cylinder.

g. Cylinder plunger binding and/or internal dam-

age.

Repair or replace cylinder.

h. Flow control valve closed. 

Open flow control valve.

Содержание CULP10

Страница 1: ...vision H Document Revision Date 07 2022 Document Language ENGLISH EN Operation and Maintenance Manual High Tonnage Ultra Flat Cylinders Enerpac CULP To reduce the risk of injury user must read and und...

Страница 2: ......

Страница 3: ...afety and precision matters elite professionals in industries such as aerospace infrastructure manufacturing mining oil gas and power generation rely on Enerpac for quality tools services and solution...

Страница 4: ...TABLE 6 3 3 PRODUCT DESCRIPTION 6 3 4 TECHNICAL SPECIFICATIONS 6 4 INITIAL SETUP 6 4 1 HYDRAULIC PUMP REQUIREMENTS 6 4 2 HYDRAULIC OIL REQUIREMENTS 7 4 3 HYDRAULIC CONNECTIONS 7 4 4 AIR REMOVAL 7 4 5...

Страница 5: ...ore than the rated capacity of the cylinder Overloading may cause equipment failure and possible personal injury Be sure setup is stable before lifting load Cylinders should be located on a firm and l...

Страница 6: ...the lifted load with cribbing Always be certain that hydraulic pressure is fully relieved and that the load is fully removed from the cylinder s before disconnecting hydraulic hoses loosening hydraul...

Страница 7: ...2 3 Feature Diagram 1 Plunger 2 Stop Ring 3 Cylinder Base 4 Female coupler 5 Dust Cap Only on CULP100 6 Lifting Eye Only on CULP100 Figure 1 Major features and components of CULP cylinders NOTE CULP1...

Страница 8: ...le of holding a sufficient amount of hydraulic oil to operate the cylinder or set of cylinders to full extension The pump must be equipped with a pressure release valve to allow cylinder retraction Th...

Страница 9: ...ration If multiple cylinders are to be used it is recommended that air be removed from each cylinder individually Refer to the following procedure 1 Place the cylinder in the vertical position on a fl...

Страница 10: ...r 5 2 Operating Instructions To advance Operate pump and valve so that pressurized oil flow is directed in a controlled rate from the pump reservoir to the cylinder coupler To retract Operate pump and...

Страница 11: ...nder 3 Plunger advances erratically a Air in hydraulic system Remove air from hydraulic system b Cylinder plunger binding Repair or replace cylinder 4 Plunger advances more slowly than normal a Leakin...

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Страница 16: ...2022 Enerpac Tool Group All Rights Reserved www enerpac com...

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