Torc HYFLOW 230-2

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Checks and repairs on hydraulic components

 Check whether oil is emitted from the back pressure valve (E).

If oil is emitted from the back pressure valve, it is defective.

 If the back pressure valve is defective, replace it, see page 79.

Main Page

Table of Contents2
Notes Concerning this Manual and the Manufacturer5
Referenced Documents5
Design Features of this Manual6
Manufacturer's Address6
Safety7
Responsibilities of the Operating Company7
Persons at Particular Risk7
Ambient Conditions7
Qualification of Personnel8
Carrying out Electrical Work8
Carrying out Mechanical and Hydraulic Tasks9
Ban of Unauthorized Conversions9
Personal Protective Equipment9
Basic Safety Information10
Preventing Serious Injury or Death10
Preventing Explosion Hazards10
Preventing Electric Shock10
Preventing Burns from Fire10
Preventing Burns from Oil and Hot Surfaces10
Preventing Poisoning11
Preventing Bone Fractures and Crushing11
Preventing Eye Damage11
Preventing Skin Irritation12
Preventing Material Damage12
Intended Use12
Design Characteristics of Warning Information12
Design of Information about Property Damage13
Warning and Information Signs13
Carrying and Setting down14
Required Tools15
Maintenance Schedule16
Carrying out Maintenance Tasks17
Changing the Hydraulic Oil17
Replacing Hydraulic Hoses18
Replacing the Pressure Gage19
Malfunctions20
Checks and Repairs on Electrical Components23
Preparing Checks and Repairs on Electrical Components23
Moving the Unit into the Repair Position for the Electric Control24
Carrying out Checks and Repairs on Electrical Components25
Checking the Circuit Board25
Replacing the Circuit Board26
Checking the Energy Supply27
Replacing the Power Cord29
Checking the Remote Control31
Replacing the Remote Control35
Checking a Motor Temperature Problem36
Replacing the Capacitor42
Checking the Solenoid Valve Electrically43
Replacing the Solenoid Valve47
Checks and Repairs on Hydraulic Components49
Preparing Checks and Repairs on Hydraulic Components49
Removing the Carrying Handle50
Moving the Unit into the Repair Position for the Upper Structures51
Moving the Unit into the Repair Position for the Lower Structures52
Carrying out Checks and Repairs on Hydraulic Components55
Checking the Torque Valve Hydraulically55
Checking the Solenoid Valve Hydraulically58
Checking the Pump Flange61
Checking and Cleaning the Screen Filter64
Checking the Maximum Pressure Valve65
Replacing the Maximum Pressure Valve67
Checking and Replacing the Pump Element69
Checking the Low-Pressure Cut off Valve72
Replacing the Low-Pressure Cut off Valve74
Checking the Back Pressure Valve76
Replacing the Back Pressure Valve79
Checking the Pipe Work80
Replacing the Pipe Work83
Checks and Repairs on Mechanical Components84
Preparing Checks and Repairs on Mechanical Components84
Carrying out Checks and Repairs on Mechanical Components84
Checking the Torque Valve Mechanically84
Replacing the Torque Valve86
Completing Repair Work87
Mounting the Unit on the Oil Tank87
Cleaning Unit90
Carry out a Test Run91
Disposal92
In Europe92
In the USA93

Torc HYFLOW 230-2 - Page 78

Table of Contents