Clarke STRONG-ARM CSA20EP Instruction Manual

WARNING: Read these instructions before using the press

OPERATION & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC07/22

20 TONNE HYDRAULIC PRESS

MODEL NO: CSA20EP

PART NO: 7614052

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Servi[email protected]om

INTRODUCTION

Thank you for purchasing this CLARKE 20 Tonne Hydraulic Press. Before

attempting to operate the press it is essential that you read this manual

thoroughly and carefully follow all instructions given. In doing so you will ensure

the safety of yourself and that of others around you, and you can also look

forward to the press giving you long and satisfactory service.

PRODUCT SPECIFICATIONS

SAFETY SYMBOLS

The above safety symbols appear on the product.

Rated Load 20 Tonnes

Throat Width 670 mm

Throat Height (Ram to pressing plate) 937 mm

Platform at position 1

Platform at position 2

Platform at position 3

Platform at position 4

457 mm

577 mm

697 mm

817 mm

Ram Travel 150 mm

Ram travel per stroke 0.8mm

Number of strokes to full extension 188

Length of handle 500 mm

Oil Capacity/grade 0.51 L (HLP ISO32)

Dimensions (D x W x H) 540 x 640 x 1500 mm

Weight 85 kg

Read instruction

manual before use

Wear safety glasses

Wear Safety Shoes

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or [email protected]

SAFETY PRECAUTIONS

Due to the weight of the press, the help of an assistant will be beneficial during

assembly and installation.

ALWAYS operate the press with adequate light.

Before starting work, check for signs of cracked welds, loose or missing bolts, or

any other structural damage. Do not operate if any of these conditions exist.

Have repairs made only by authorised service centre.

NEVER tamper with any components. The safety valve is calibrated and

sealed at the factory; do not attempt to change the setting.

Use only the recommended hydraulic oil.

The components of this press are designed to withstand the rated capacity.

DO NOT substitute any other components or exceed the rated capacity of the

press.

Before applying pressure, ALWAYS ensure the workpiece is firmly secure and

stable.

ALWAYS clean up spills of hydraulic oil immediately as this can be dangerous in

a workshop environment.

DO NOT allow any person who is unfamiliar with hydraulic presses to use the

press unless they are under direct supervision.

DO NOT stand directly in front of the press when it is in use.

ALWAYS apply the load under the centre of the ram. Offset loads can

damage the ram and may cause the work piece to be ejected.

ALWAYS ensure the work piece is properly supported by the press bed.

When using accessories such as pressing plates, be certain they are centered

below the ram and are in full contact with the bed.

Parts being pressed may shatter or be ejected from the press. In the case of

varied applications, it is your responsibility to always use adequate guards,

and wear eye protection and protective clothing when using this press.

Keep hands and fingers away from parts that may pinch or shift.

NEVER use extension tubes to increase the length of the pump handle.

Excessive effort can cause damage and/or accidents.

Failure to heed these warnings may result in damage to the equipment, or

serious personal injury.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Servi[email protected]om

UNPACKING

Ensure the press components suffered no damage during transit and that all

components are present. Should any loss or damage become apparent,

please contact your CLARKE dealer immediately.

ID DESCRIPTION QTY ID DESCRIPTION QTY

1 Foot 2 9 Bottle Jack 1

2 Bottom Cross Member 1 10 Spring 2

3 Side Support 2 11 Bottle Jack Handle 1

4 Foot Brace 4 12 Bed Supporting Pins 2

5 Pressing Bed 2 13 Fixings pack, containing

bolts, nuts, washers and

attachment hooks

itemised on page 13.

6 Cross Beam 1

7 Middle Bolster 1

8 Pressing Plate 2

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or [email protected]

ASSEMBLY

The press must be firmly secured to a solid level floor such as concrete, using

expansion bolts (not supplied). Holes are provided in the foot sections for this

purpose. Do not locate your press where it will be open to the elements, as

harsh weather conditions will damage the hydraulic parts.

Due to the weight of the components, we recommend that the press is

assembled by two people.

1. Attach the feet and the bottom

cross member to the side

supports, using the M12 nuts, bolts

and washers.

2. Add the foot braces to each side

using the remaining M10 nuts,

bolts and washers.

3. Bolt the cross beam to the side

supports, securing it with the M16

bolts, nuts and washers.

• Assemble loosely before

tightening all fastenings.

4. With the help of an assistant,

manoeuvre the frame to its

intended location in the

workshop.

5. Fix the 2x hooks to the moving

cross beam using the nuts

supplied. Take the two springs and

hook them to their positions on the

moving beam. Support the

moving beam and attach the

other end of the springs to the

cross beam.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Servi[email protected]om

6. Take the bottle jack unit, and by

pressing down on the moving

cross beam against the resistance

of the springs, manoeuvre the

jack so that the jack ram sits in the

socket below the cross beam.

7. Using the small hex bolt and nut,

secure the jack to the beam.

• The jack will remain self-centred

during use.

Bolt the two halves of the pressing

bed together using the long bolts

with nuts and spacer tubes supplied.

8. Insert the bed support pins into

the holes in the side support at a

height of your choosing. Then

lower the pressing bed onto the

pins.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or [email protected]

PREPARATION

1. Before using the press, purge any

air from the jack by using the

crimped end of the handle to

open the release valve (turning it

anti-clockwise) and pumping the

jack several full strokes to

eliminate any air bubbles.

2. Check all parts are secure and

correctly aligned before using the

press.

POSITIONING THE BED

Due to the weight of the bed, we recommend that you get assistance from

another person when changing the bed height.

1. Raise one side of the bed and insert a supporting pin into the next locating

hole.

2. Repeat at the other end to level the bed..

3. Position the bed at the desired height, so that it will be as close as possible

to the ram when the workpiece is mounted on it.

CAUTION: IT IS SAFER AND EASIER IF THE BED HEIGHT IS ONLY RAISED OR

LOWERED ONE HOLE AT A TIME, WORKING ALTERNATELY FROM ONE

SIDE AND THEN THE OTHER UNLESS AN ASSISTANT IS AVAILABLE TO

SUPPORT THE WEIGHT OF THE BED WHILE THE PINS ARE INSERTED.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Servi[email protected]om

OPERATION

1. The press is now ready for use. Place the workpiece on the bed. It must be

completely stable and supported by packing or shims where required. A

pair of pressing plates are supplied, which lay flat on the bed. Place the

workpiece on these to give it stability.

NOTE: Any packing pieces or shims used MUST be capable of

withstanding the pressure that will be brought to bear, and MUST

be of sufficient size with sufficient surface area, so as to avoid the

possibility of slipping or springing out. Mating surfaces MUST be

horizontal so that the force being exerted will NOT be at an angle.

2. Using the crimped end of the

handle, close the release valve by

turning it clockwise until tightly

closed.

3. Pump the handle to bring the ram

very lightly into contact with the

workpiece.

4. Position the workpiece so that the

desired point of contact is directly

beneath the centre of the ram.

5. When satisfied that the workpiece is correctly aligned and is completely

stable in that position, slowly pump the handle so that the ram begins to

exert pressure on the workpiece.

6. Continue to pump the handle and constantly monitor the process,

ensuring the ram and work remain completely in line and there is no risk of

slipping.

7. When the task is complete, turn the release valve anticlockwise in small

increments to release ram pressure and allow removal of the workpiece.

WARNING: FAILURE TO HEED THE WARNINGS ON PAGE 3 MAY RESULT IN

DAMAGE TO THE EQUIPMENT OR COMPONENT FAILURE RESULTING IN

PROPERTY DAMAGE, PERSONAL, OR EVEN INJURY.

NEVER USE EXTENSIONS TO THE RAM PUMPING HANDLE

CAUTION: DO NOT POINT LOAD THESE ACCESSORIES AS THEY ARE NOT

DESIGNED TO TAKE THE FULL FORCE OF THE RAM IN ONE SPOT. ENSURE

THEY ARE ADEQUATELY SUPPORTED.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or [email protected]

MAINTENANCE

ROUTINELY

A visual inspection must be made before use of the press, checking for leaking

hydraulic fluid and damaged, loose, or missing parts.

Owners and/or users should be aware that repair of this equipment requires

specialised knowledge and facilities. It is recommended that a routine

inspection of the press be made and any defective parts be replaced with

genuine CLARKE parts.

If thepress appears to be damaged in any way, is found to be badly worn or

operates abnormally SHOULD BE REMOVED FROM SERVICE until the necessary

repairs are made.

If the press is not to be used for any length of time, store it with the ram piston

withdrawn to protect the moving parts.

PERIODICALLY

Periodically check the press frame to make sure all bolts are tight and inspect

for cracked welds, bent, loose or missing parts. If corrosion is found it should be

removed completely and the paint restored.

Check the hydraulic jack for leaks. Replace or properly repair any damaged

or leaking hydraulic components before using. In the event of leaking seals, oil

can be topped up via the plug on the jack. Oil should be level with the

bottom of the hole. If necessary top up with CLARKE hydraulic oil, Part No.

3050830. This task is carried out with the ram fully retracted.

In the event of leakage, oil can be topped up by removing the filler plug on

the reservoir and topping up level with the plug.

DISPOSAL OF UNWANTED MATERIALS

One of the most damaging sources of environmental pollution is oil products.

Never throw away used oil with domestic refuse or flush it down a sink or drain.

Collect any oil in a leak proof container and take it to your local waste

disposal site.

Should hydraulic components become completely unserviceable and require

disposal, draw off the oil into an approved container and dispose of the

product and the oil according to local regulations.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Servi[email protected]om

TROUBLESHOOTING

Problem Probable Cause Remedy

Pump unit will not work Dirt on valve seat/worn

seals

Bleed pump or have unit

overhauled with new seals

Pump will not produce

pressure

Pump feels hesitant

under load

Air-lock Open the release valve

and remove the oil filler

plug. Pump the handle a

couple of full strokes and

close the release valve.

Replace the filler plug.

Pump will not deliver

pressure

Reservoir could be over-

filled or have low oil level.

Check oil level by removing

the filler plug & topping up

if required.

Pump feels hesitant

under load

Pump cup seal could be

worn out.

Have the cup seal

replaced.

Pump will not lower

completely

Air-lock Release air by removing

the filler plug.

This manual suits for next models

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