background image

Replace the exhaust filter (

 

page 10: Exhaust Filter)

In case an inlet air filter is installed:

Replace the inlet air filter

Check the inlet screen, clean if necessary

Version with gas ballast with paper filter:

Replace the filter

Every 500 - 2000 Operating Hours:

(

 

page 9: Oil Life):

Change the oil (

 

page 9: Oil Change)

Checking the Oil

Checking the Level

Make sure that the vacuum pump is shut down and the oil has col-
lected at the bottom of the oil separator (f)

Read the level on the sight glass (g)

In case the level has dropped underneath the MIN-marking:

Top up oil (

 

page 9: Topping up Oil)

In case the level exceeds the MAX-marking:

Excessive dilution with condensates - change the oil and check
the process

If appropriate retrofit a gas ballast (Busch Service) and observe
the chapter Conveying Condensable Vapours (

 

page 8)

In case the level exceeds the MAX-marking despite proper use of the
gas ballast:

Replace the filter

Topping up Oil

Note

: Under normal conditions there should be no need to top up oil

during the recommended oil change intervals. A significant level drop
indicates a malfunction (

 

page 12: Troubleshooting).

Note

: During operation the exhaust filter gets saturated with oil. It is

therefore normal that the oil level will drop slightly after replacement
of the exhaust filter.

CAUTION

_a

Filling oil through the suction connection (c) will result in breakage
of the vanes and destruction of the vacuum pump.

Oil may be filled through the filling port (b) only.

CAUTION

_a

During operation the oil separator is filled with hot, pressurised oil
mist.

Risk of injury from hot oil mist with open filling port.

Risk of injury if a loosely inserted filling plug (b) is ejected.

Remove the filling plug (b) only if the vacuum pump is stopped.

The vacuum pump must only be operated with the filling plug (b)
firmly inserted.

Make sure that the vacuum pump is shut down and locked against
inadvertent start up

Remove the filling plug (b)

Top up oil until the level reaches the middle of the sight glass (g)

Make sure that the seal ring is inserted into the filling plug (b) and
undamaged, if necessary replace the filling plug (b)

Firmly reinsert the filling plug (b) together with the seal ring

Checking the Colour of the Oil

Note

: The oil should be light, either transparent, a little foamy or a little

tarnished. A milky discolouration that does not vanish after sedation of
the oil indicates contamination with foreign material. Oil that is either
contaminated with foreign material or burnt must be changed
(

 

page 9: Oil Change).

In case the oil appears to be contaminated with water or other conden-
sates despite proper use of the gas ballast:

Replace the filter

Oil Life

The oil life depends very much on the operating conditions. A clean
and dry air stream and operating temperatures below 100 °C are ideal.
Under these conditions the oil shall be changed every 500 to 2000 op-
erating hours or after half a year.

Under very unfavourable operating conditions the oil life can be less
than 500 operating hours. Extremely short life times indicate malfunc-
tions (

 

page 12: Troubleshooting) or unsuitable operating conditions,

though.

Chosing a synthetic oil instead of a mineral oil can extend the oil life.
To select the oil best suited oil for your process please contact your
Busch representative.

If there is no experience available with regard to the oil life under the
prevailing operation conditions, it is recommended to have an oil anal-
ysis carried out every 500 operating hours and establish the change in-
terval accordingly.

Oil Change

DANGER

_age32

In case the vacuum pump conveyed gas that was contaminated
with harmful foreign material the oil will be contaminated with
harmful material.

Danger to health during the changing of contaminated oil.

Danger to the environment.

Personal protective equipment must be worn during the changing
of contaminated oil.

Contaminated oil is special waste and must be disposed of sepa-
rately in compliance with applicable regulations.

Draining Used Oil

Note

: After switching off the vacuum pump at normal operating tem-

perature wait no more than 20 minutes before the oil is drained (the oil
shall still be warm when being drained).

Make sure that the vacuum pump is shut down and locked against
inadvertent start up

Make sure that the vacuum pump is vented to atmospheric pres-
sure

Put a drain tray underneath the sight glass (g)

Remove the sight glass (g) and drain the oil

When the oil stream dwindles:

Reinsert the sight glass (g)

Switch the vacuum pump on for a few seconds

Make sure that the vacuum pump is shut down and locked against
inadvertent start up

Remove the sight glass (g) again and drain the remaining oil

Make sure that the seal ring is inserted into the sight glass (g) and
undamaged, replace if necessary

Firmly reinsert the sight glass (g) together with the seal ring

Dispose of the used oil in compliance with applicable regulations

RB/RC 0006 C/E

Maintenance

0870152229

page 9

Summary of Contents for R5 RB 0006 C

Page 1: ...Installation and Operating Instructions Vacuum Pumps R5 RB RC 0006 C E 0870152229 0001 28 10 2021 Original instructions ...

Page 2: ... and Disposal 11 Troubleshooting 12 Spare Parts Kits 17 Accessories 17 Oil 17 EU Declaration of Conformity 18 RB RC 0006 C E Preface 0870152229 page 2 Preface Congratulations on your purchase of the Busch vacuum pump With watchful observation of the field s requirements innovation and steady development Busch delivers modern vacuum and pressure solutions worldwide These operating instructions cont...

Page 3: ...ith a paper filter Oil Circulation The vacuum pump requires oil to seal the gaps to lubricate the vanes and to carry away compression heat The oil reservoir is located on the pressure side of the vacuum pump i e high pressure at the bottom of the bottom chamber of the oil separator f The feed openings are located on the suction side of the vacuum pump i e low pressure Forced by the pressure differ...

Page 4: ...west possible level only gen uine Busch exhaust filters shall be used The oil in the process gas is separated to the greatest possible extent but not perfectly CAUTION_a The gas conveyed by the vacuum pump contains remainders of oil Aspiration of process gas over extended periods can be harmful The room into which the process gas is discharged must be suffi ciently vented Note The possibly sensibl...

Page 5: ...the vacuum pump is installed in a colder environment than al lowed with the oil used Fit the vacuum pump with a temperature switch and control the vacuum pump such that it will start automatically when the oil sump temperature falls below the allowed temperature ambient pressure atmospheric Make sure that the environmental conditions comply with the pro tection class of the drive motor according t...

Page 6: ...discharge Electrical Connection Controls Make sure that the stipulations acc to the EMC Directive 2004 108 EC and Low Voltage Directive 2006 95 EC as well as the EN standards electrical and occupational safety directives and the local or national regulations respectively are complied with this is the responsibility of the designer of the machinery into which the vacuum pump is to be incorporated p...

Page 7: ...h on the vacuum pump In case the suction line is equipped with a shut off valve Close the shut off valve In case the suction line is not equipped with a shut off valve Cover the suction connection c with a piece of rubber mat Let the vacuum pump run for a few minutes Shut down the vacuum pump and wait a few minutes Check that the level is between the MIN and the MAX markings of the sight glass g I...

Page 8: ...s start Open the shut off valve in the suction line At the process end Close the shut off valve in the suction line Operate the vacuum pump for another approx half an hour Maintenance DANGER_age32 In case the vacuum pump conveyed gas that was contaminated with foreign materials which are dangerous to health harmful ma terial can reside in filters Danger to health during inspection cleaning or repl...

Page 9: ... oil indicates contamination with foreign material Oil that is either contaminated with foreign material or burnt must be changed page 9 Oil Change In case the oil appears to be contaminated with water or other conden sates despite proper use of the gas ballast Replace the filter Oil Life The oil life depends very much on the operating conditions A clean and dry air stream and operating temperatur...

Page 10: ...is running Check that the drive motor current drawn is in the usual range Version with oil return valve RB 0006 C E Note The discharged gas will also contain oil if the vacuum pump is operated without interruption for too long a period page 7 Opera tion Notes Check that the discharged gas is free from oil Assessment If the drive motor draws too much current and or the pump flow rate has dropped th...

Page 11: ...Risk of vane breakage if the vacuum pump is started with the drive motor After longer periods of standstill the vacuum pump shall be turned by hand After longer periods of standstill Make sure that the vacuum pump is locked against inadvertent start up Remove the cover around the fan of the drive motor Slowly rotate the fan wheel by hand several revolutions in the intended direction of rotation se...

Page 12: ...e most common cause Change the oil page 8 Maintenance No or not enough oil in the reservoir Top up oil page 8 Maintenance The exhaust filter is partially clogged Replace the exhaust filter page 8 Maintenance The screen in the suction connection c is par tially clogged Clean the screen If cleaning is required too frequently install a filter upstream In case a filter is installed on the suction conn...

Page 13: ...Repair the vacuum pump Busch service The drive motor is defective Replace the drive motor Busch service The vacuum pump is blocked Solid foreign matter has entered the vacuum pump Repair the vacuum pump Busch service Make sure the suction line is equipped with a screen If necessary additionally provide a filter Corrosion in the vacuum pump from remain ing condensate Repair the vacuum pump Busch se...

Page 14: ...extended period of time Perform oil change incl flushing page 8 Maintenance The exhaust filter is clogged and appears black from burnt oil Flush the vacuum pump Replace the exhaust filter Fill in new oil page 8 Maintenance In case the oil life is too short use oil with better heat resistance page 17 Oil or ret rofit cooling Foreign objects in the vacuum pump Broken vanes Stuck bearings Repair the ...

Page 15: ...s without interruption oil can collect in the upper chamber of the oil separator f to an extent that it gets expelled together with the discharged gas Regularly shut down the vacuum pump for short periods of time Check that the oil return valve functions properly and lets oil run from the upper into the bottom chamber of the oil separator f as soon as the vacuum pump is shut down page 3 Oil Circul...

Page 16: ...he exhaust filter Fill in new oil page 8 Maintenance Make sure the proper oil is used for changing and topping up The oil foams Mixing of incompatible oils Flush the vacuum pump Replace the exhaust filter Fill in new oil page 8 Maintenance Make sure the proper oil is used for topping up Troubleshooting page 16 RB RC 0006 C E 0870152229 ...

Page 17: ...n Australia Busch Australia Pty Ltd 30 Lakeside Drive Broadmeadows Vic 3047 Tel 03 93 55 06 00 Fax 03 93 55 06 99 Your point of contact for service and spare parts in New Zealand Busch New Zealand Ltd Unit D Arrenway Drive Albany Auckland 1311 P O Box 302696 North Harbour Auckland 1330 Tel 0 9 414 7782 Fax 0 9 414 7783 Find the list of Busch companies all over the world by the time of the publicat...

Page 18: ...have been used to fulfil those provisions Standard Title of the Standard EN ISO 12100 2010 Safety of machinery Basic concepts general principles of design EN ISO 13857 2019 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs EN 1012 1 2010 EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Part 1 and Part 2 EN ISO 2151 2008 A...

Page 19: ...machinery Basic concepts general principles of design Risk assess ment and risk reduction BS EN ISO 13857 2019 Safety of machinery Safety distances to prevent hazard zones being reached by the upper and lower limbs BS EN 1012 1 2010 BS EN 1012 2 1996 A1 2009 Compressors and vacuum pumps Safety requirements Air compressors and vacuum pumps BS EN ISO 2151 2008 Acoustics Noise test code for compresso...

Page 20: ......

Page 21: ... Italy info busch it Japan info busch co jp Korea busch busch co kr Malaysia busch busch com my Mexico info busch com mx Netherlands info busch nl New Zealand sales busch co nz Norway post busch no Peru info busch com pe Poland busch busch com pl Portugal busch busch pt Romania office buschromania ro Russia info busch ru Singapore sales busch com sg South Africa info busch co za Spain contacto bus...

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