Goldschmidt GH-10-28-O Operation Manual Download Page 23

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GRINDER STRAIGHT HANDLE GH-10-28-O

OPERATION MANUAL

Troubleshooting and repairs

8.1

General information for troubleshooting and repairs

Goals of the troubleshooting are:

-

to find and evaluate causes for malfunction

initiate measures to solve malfunction

fix malfunction and restore operational readiness

Repairs to the machine may only be carried out by the PortaCo Inc. or personnel who have been specially instructed. Additionally,
work on electrical system parts may only be made by electrical specialists.

8.2

Troubleshooting and repairs

Malfunction

Possible causes

Remedy

Grinding disc is not turning or
turning too slowly

Hydraulic fluid level too low

Top off hydraulic fluid or replace

Connection not airtight or loose

Check connections and sealings and tighten, or
replace sealings

Air in the device

Bleed system

Mechanical error

Check the entire device for damage

Pressure or flow too low

Set pressure relief valve to 145 to 150 bar

Operating lever stiff

Counter-pressure too high

17 bar and 38 lpm should not be exceeded.

Device soiled

Clean the device

Hydraulic fluid leak

Damaged sealing

Remove device and replace sealings

Grinding disc is turning in reverse Flow and return flow reversed

Connect the hydraulic hoses properly.

Table 7: Troubleshooting

Summary of Contents for GH-10-28-O

Page 1: ...OPERATION MANUAL GRINDER STRAIGHT HANDLE GH 10 28 O ...

Page 2: ...GRINDER STRAIGHT HANDLE GH 10 28 O OPERATION MANUAL 2 ...

Page 3: ...H 10 28 O OPERATION MANUAL 3 Change overview Auditing Date Comment including chapter changed by 01 02 03 05 23 2018 07 02 2018 08 08 2018 Creation Updated Title Tables Added section 3 6 pg 14 Sven Kummer Garrett Lee Garrett Lee ...

Page 4: ...ersonnel 13 3 5 Emergency information safety devices 14 3 6 Safety signs 14 Table 2 Safety signs 14 4 Design and function 15 4 1 Design 15 4 2 Specifications 15 Table 3 Specifications 15 4 2 1 Hydraulic fluid 16 Table 4 Hydraulic fluids 16 Table 5 Suitable hydraulic fluids 16 4 2 2 Supply interfaces and connections 16 4 3 Function 16 4 4 Boundaries and interfaces 16 5 Transport assembly and disman...

Page 5: ... and repairs 23 8 1 General information for troubleshooting and repairs 23 8 2 Troubleshooting and repairs 23 Table 7 Troubleshooting 23 9 Shutdown and re commissioning 24 10 Storage 24 11 Dismantling and disposal 24 Publisher PortaCo Inc 1805 2nd Ave N Moorhead MN 56560 Phone 1 218 336 0223 Fax 1 218 233 5281 info portaco com www portaco com Date of publication 05 31 2018 Documentation version 1 ...

Page 6: ...rating company s specialized staff In addition to the operation manual the spare part catalogue and the maintenance manual of the manufacturers of the individual components are to be observed WARNING Operating errors using the device e g by instruction errors may lead to personal injury or damage to the device The instruction for use must be accessible to operators and maintenance personnel at all...

Page 7: ... JB1 part of the scope of delivery We recommend the hydraulic power units D 23 E 15 G 18 G 21 G 23 or G 31 Use grinding wheels with an 8 inch diameter 20 32 cm and a 1 inch thickness 2 54 cm The grinding wheels must also be suited for use at 3300 RPM Further design information is shown and described in chapter 4 Regarding ergonomics the stresses and strains resulting from the device are typical fo...

Page 8: ...the guidelines in the operating manual 2 3 Environment requirements 2 3 1 Operating requirements The machine is designed for use on construction sites outdoors It can be used at temperatures between 20 C to 45 C respectively 4 F to 113 F The temperature of the hydraulic fluid should be at least 10 C respectively 50 F The statutory minimum distance must be observed around power lines and conductor ...

Page 9: ...rstood by all persons who work on the device Introduction to the device is to be documented in writing CAUTION Hazards from the operational environment of the device can lead to injuries of persons No alterations to the device may be made which lead to a change in function All hazards from the environment or from unforeseeable operating conditions of the device cannot be captured and depicted with...

Page 10: ...e 1 Signal words and symbols 3 2 Important safety information Read this chapter and observe the safety information before using The safety regulations are to be observed by all persons who work on the device The regulations and instructions for accident prevention valid at the place of operation are to be observed Instruction of the operating and maintenance personnel in system safety is to be doc...

Page 11: ... electric shock In the case of railway tracks with live rails the busbar must be shorted or switched off by the control room of the transport company Check that no voltage is present in the rail system continuously DANGER The operator inhales aerosol of hydraulic oil Only use the device within the prescribed limits The device must be maintained at regular intervals the intervals are specified by t...

Page 12: ...manufacturer and existing directives Components may only be replaced with identical spare parts It is imperative that the specifications of the component manufacturer be followed when mounting the component WARNING Spilled hydraulic oil can lead to an increased risk of fire and environmental pollution Remove spilled hydraulic oil with the prescribed absorbent material WARNING In case of poor weath...

Page 13: ...grazing injury during operation of the Grinder Straight Handle The area around the grinding area and the grinding disc can become very hot Always operate the Grinder Straight Handle with the protective cladding Wear protective work clothing during use After use allow the rail and grinding disc to cool 3 4 Qualification of the operating and maintenance personnel The intended circle of users for the...

Page 14: ...rotective equipment as intended In this case that means work gloves safety glasses or safety mask safety shoes S3 hearing protection 3 6 Safety signs Safety sign Meaning Mandatory sign Wear hearing protection indicates that while working with the machine hearing protection must be worn by all persons near to the machine Mandatory sign Wear safety glasses indicates that while working the machine sa...

Page 15: ...3 Grinding disc 4 Locking mechanism operating 5 Operating lever 6 Connection hydraulic pump flow and return flow 7 Dust caps 4 2 Specifications Criteria Value Width 254 mm 10 inch Length 534 mm 21 inch Height 305 mm 12 inch Weight 7 26 kg 16 lb Hydraulic pressure max 150 bar 2 150 psi JB6 Hydraulic flow max 40 lpm 10 gpm Idle speed 3 300 U min rpm Table 3 Specifications ...

Page 16: ...welding seams or rust can be removed from the rail with the PortaCo Inc Grinder Straight Handle Use grinding discs with an approximately 20 32 cm diameter 8 inch and 2 54 cm thickness 1 inch The grinding discs must also be suited for use at 3 300 RPM The grinding disc is started as soon as the handle is pressed and stopped as soon as the handle is released There is an additional locking mechanism ...

Page 17: ...ng the grinding stone Grinding discs with a diameter of 20 32 cm 8 inches and a thickness of 2 54 cm 1 inch must be used with the Grinder Straight Handle The grinding discs must be suited for use at 3 300 RPM Check the grinding discs for damage before using Damaged grinding discs may not be mounted Remove the three screws on the cover plate of the spark barrier Figure 3 Changing the grinding disc ...

Page 18: ...hed spring Figure 5 6 Changing the grinding disc Ensure that the dished spring is in full contact with the grinding disc Mount the cover plate of the spark barrier After mounting allow the grinding plate to turn for a minute In case of uneven rotation or insufficient rotation the mounting must be checked If the error cannot be remedied then a different grinding disc must be used ...

Page 19: ...flow rate of at least 40 lpm 10 gpm and pressure of 138 bar 2 002 psi The pressure must be limited to 150 bar 2 176 psi The measurement must be carried out at the minimum operating temperature of the hydraulic fluid by 10 C 50 F Warm the hydraulic fluid if necessary The temperature of the hydraulic fluid must be limited to 60 C 140 F We recommend the use of the PortaCo Inc hydraulic units D 23 E 1...

Page 20: ... work lights if necessary 6 3 1 Grinding operation 1 Clean the quick couplings 2 Connect the Grinder Straight Handle with the return flow of the hydraulic unit 3 Connect the Grinder Straight Handle with the supply flow of the hydraulic unit Ensure that the flow and return flow of the hydraulic unit are connected to the correct quick coupling The hydraulic unit must be switched off JB7 and without ...

Page 21: ...o of the operating lever 9 Switch the hydraulic unit off after grinding 10 Depressurize the system 11 Allow the hydraulic fluid to cool 12 Disconnect the supply flow from the Grinder Straight Handle 13 Disconnect the return flow from the Grinder Straight Handle 14 Protect the quick couplings with dust caps ...

Page 22: ...omponents for which wear and tear or even malfunction is determined during inspection must be repaired or replaced at the earliest possible date Components Inspection Intervals Entire device Cleaning The entire device must be cleaned with a lint free cloth at the end of the shift Visual inspection The entire device must be checked for damage daily Damaged parts must be replaced Hydraulic system In...

Page 23: ... and repairs Malfunction Possible causes Remedy Grinding disc is not turning or turning too slowly Hydraulic fluid level too low Top off hydraulic fluid or replace Connection not airtight or loose Check connections and sealings and tighten or replace sealings Air in the device Bleed system Mechanical error Check the entire device for damage Pressure or flow too low Set pressure relief valve to 145...

Page 24: ...p paint damage and coat places prone to rust with a thin oil film Check for correct storage monthly All grinding discs used must be stored in a dry place and must not be subject to the elements Also avoid temperatures below freezing 11 Dismantling and disposal Before dismantling or disposal the machine must be decommissioned This must be followed by draining the hydraulic fluid and properly dispos...

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