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10

MH-Series | Version 2.01

Testing the Hydraulic machine lift

Venting

After some time, or after oil has been added, air bubbles 
can form in the hydraulic system of the Hydraulic ma-
chine lift and impair its function.

Step 1: Lowering the lifting table to min. height

Step 2: Slowly and carefully open the oil filler plug to 

allow the trapped air to escape.

Step 3: Check the Hydraulic machine lift for its function, if 

necessary repeat the steps 

Check oil level

Step 1: Open the oil filler plug and check the oil level. 

The oil should be enough with completely defla

-

ted lifting claw to the lower edge of the oil filler 
neck.

  Step 2: Add hydraulic oil if necessary. Only use new, 

clean hydraulic oil, viscosity class "ISO VG 32".

Step 3: Screw the oil filler plug back in. Check the func

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tion of the machine lifter.

Step 4: Venting the hydraulic system 

11 Testing the Hydraulic machine lift

The hydraulic machine lifter is in accordance with the 
provisions of the German Industrial Safety Regulations 
and the BGR 500, Chapter 2.8, before the first start-up 
and at intervals as long as required 1 year by a qualified 
person to check for safe working condition. A person 
may be considered qualified if he / she has at least the 
qualifications previously given to the expert. The scope 
of testing and the inspection deadlines are i.a. according 
to the results of the risk assessment to be carried out. 
Type, extent and deadlines of the tests described in the 
BGR 500 are previous practice and comply with the rules 
of technology. The test is essentially a visual and functio-
nal test. It covers the examination of the condition of the 
components and equipment, the completeness and ef-
fectiveness of the safety equipment and the complete-
ness of the test book. If a test period of no more than one 
year is adhered to, the operator can assume that this pe-
riod is adequate. Verification of hydraulic machine lifts 
must be verified by a log book.

12 Troubleshooting

Faults

Possible cause

Solution

Machine lift can not  pumped

- The valve is not closed

- Turn the lowering valve clockwise

Machine lift can not be released at 
top dead center

- The valve is not open enough

- Open the lowering valve until 

necessary

Machine lift can not be pumped to its 
rated capacity

- Oil level incorrect (too little)

- Add hydraulic oil

Machine lift is leaking, hydraulic oil 
has leaked

- Gaskets are worn

- Renew seals
- Check all seals

Содержание MH 10

Страница 1: ...MH S ERIES MH 8 Operating instructions Machine lift MH 3 MH 8 MH 10 MH 20 MH 20 MH 10 MH 3...

Страница 2: ...uction 3 1 1 Copyright 3 1 2 Customer service 3 1 3 Limitation of liability 3 2 Safety 3 2 1 Symbol explanation 3 2 2 Responsibility of the operator 4 2 3 Personnel requirements 5 2 4 General safety r...

Страница 3: ...nce and knowledge gained from using the application which then could be shared and be valuable to develop our products even further 1 3 Limitation of liability All information and notes in these opera...

Страница 4: ...ter whether the operating instructi ons he has prepared are in line with the current state of the regulations and adjust them if neces sary The operator must clearly regulate and determine the respons...

Страница 5: ...cturer Certain work may only be carried out by specialist per sonnel of the manufacturer Other personnel are not au thorized to carry out this work To carry out the work contact our customer service 2...

Страница 6: ...must safety devices be re mo ved or put of operation potential risk of serious crush ing danger to life If it is necessary to remove any safety devices for fitting repair or maintenance work they mus...

Страница 7: ...given to the recycling collection The film is made of polyethylene PE and the cushioned parts of polystyrene PS These materials should be taken to a collection point for recyclable materials or to th...

Страница 8: ...ever exceeds the maximum load stated on the name plate Never move the lifted load Never stand or work under a load lifted by the ma chine lifter A lifted load must never be subjected to impact or shoc...

Страница 9: ...painted surfaces should be cleaned with a soft damp cloth and some neutral detergent Remove excess grease or spilled oil with a dry and lint free cloth 10 2 Maintenance and repair If the hydraulic jac...

Страница 10: ...a qualified person to check for safe working condition A person may be considered qualified if he she has at least the qualifications previously given to the expert The scope of testing and the inspe...

Страница 11: ...t manufacturer If necessary ask for the product specific data sheets 14 EC Declaration of Conformity According to machine directive 2006 42 EC Annex II 1 A Manufacturer Distributor St rmer Maschinen G...

Страница 12: ...d on the Hydraulic machine lift Example The handle for the machine lifter MH 20 must be or dered The handle has position number 1 in the spare part drawing Type of device MH 20 Item number 6190020 Pos...

Страница 13: ...s In case of service the following drawing shall help to identify the necessary spare parts If necessary send a copy of the parts drawing with the marked components to your authorised dealer 16 1 Spar...

Страница 14: ...14 MH Series Version 2 01 Spare Parts Drawings 16 2 Spare parts drawing MH 10 Fig 4 Spare parts drawing MH 10...

Страница 15: ...Spare Parts Drawings MH Series Version 2 01 15 16 3 Spare parts drawing MH 20 Fig 5 Spare parts drawing MH 20...

Страница 16: ...www unicraft de...

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