LEYBOLD TRIVAC E2 User manual

Part Nos.
140 000
140 001
140 002
140 003
140 004
140 005
140 008
140 009
TRIVAC E 2 / D 2,5 E
Dual-Stage Rotary Vane Vacuum Pump
Operating Instructions GA01602_002_C0

Contents
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Page
0 Important Safety Information 5
0.1 Mechanical hazards 5
0.2 Electrical hazards 5
0.3 Thermal hazards 6
0.4 Hazards caused by materials and substances 6
0.5 Danger of ignition 7
0.6 Risk of damaging the pump 8
1 Description 9
1.1 Function 10
1.2 Supplied Equipment 12
1.3 Technical Data 13
1.4 Accessories 20
2 Transport and Storing 21
3 Installation 22
3.1 Placement 22
3.2 Normal use 23
3.2.1 Abnormal use 24
3.3 Connection to the System 24
3.4 Electrical Connections 26
4 Operation 26
4.1 Media Compatibility 26
4.2 Start-up 26
4.3 Operation 27
4.3.1 Pumping of Non-Condensable Gases and Vapours 27
4.3.2 Pumping of Condensable Gases and Vapours 27
4.3.3 Operating Temperature 28
4.4 Shutdown 29
4.4.1 Shutdown through Monitoring Components 29
4.4.2 Controller/Mains Power Failure 29

Contents
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Original installation and operating instructions.
5 Maintenance 30
5.1 Maintenance Plan 31
5.2 Leybold Service 32
5.3 Monitoring the Oil Level 32
5.3.1 Checking the Condition of LVO 100 33
5.4 Oil Change 34
5.5 Cleaning the Inlet Screen 35
5.6 Removing and Fitting the Internal Demister 36
5.7 Disassembly and Reassembly of the Electric Motor 37
5.8 Full maintenance 38
6 Troubleshooting 39
7 Wearing Parts and Original Spare Parts 41
7.1 Maintenance Kits and Repair Sets 41
7.2 Ordering Information for the Maintenance Kits
and the Repair Sets 42
7.3 Ordering Information for the Special Tools 42
8 Waste Disposal 46
EC- Declaration of Conformity 47
Page

Notes
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Obligation to Provide Information
Before installing and commissioning the TRIVAC E, carefully read these
Operating Instructions and follow the information so as to ensure optimum
and safe working right from the start.
The Leybold TRIVAC E has been designed for safe and efficient operation
when used properly and in accordance with these Operating Instructions. It is
the responsibility of the user to carefully read and strictly observe all safety
precautions described in this section and throughout the Operating
Instructions. The pump must only be operated in the proper condition
and under the conditions described in the Operating Instructions. It
must be operated and maintained by trained personnel only. Consult local,
state, and national agencies regarding specific requirements and regulations.
Address any further safety, operation and/or maintenance questions to our
nearest office.
DANGER indicates an imminently hazardous situation which, if not avoided,
will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided,
could result in minor or moderate injury.
NOTICE is used to notify users of installation, operation, programming or
maintenance information that is important, but not hazard related.
Figures
The references to figures, e.g. (4/2) consist of the consecutive Fig. No. and
the Item No. in that order.
We reserve the right to alter the design or any data given in these Operating
Instructions. The illustrations are not binding.
Retain the Operating Instructions for further use.
NOTICE
DANGER
WARNING
CAUTION
NOTICE

Safety information
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0 Important Safety Information
0.1 Mechanical hazards
1 Avoid exposing any part of the human body to the vacuum.
2 Never operate the pump without a connected intake line or without fit-
ting a blank flange.
3 Do not operate the pump with any of the covers removed.
Serious injury may result.
4 The location at which the TRIVAC E (including its accessories) is being
operated should be such that angles over 10° from the vertical are
avoided.
5 The pump when filled with oil must only be moved in its vertical positi-
on. Spilled oil involves the risk of falling.
6 Make sure that the gas flow from the exhaust port is not blocked or
restricted in any way.
7 If exhaust gases must be collected or contained, do not allow the
exhaust line to become pressurised.The pressure in the oil box must
not exceed 0.5 bar relative to the atmospheric pressure. An exhaust
line which is too small in diameter or which is blocked can result in the
formation of overpressures within the pump. Possible consequences
can be damage or even burst open the pump. Thus the exhaust line
must be checked from time to time to ensure that there are no obst-
ructions.
8 When moving the TRIVAC E always use the lifting means provided.
0.2 Electrical hazards
1 The electrical connections must only be provided by a trained electri-
cian as specified, for example, by the regulations EN 50110-1.
Observe local regulations.
2 Lethal voltages are present at the mains connections. Before starting
with any maintenance and service work, de-energise (lockout/tagout)
the product first.
3 Lay connecting lines so that they cannot be damaged. Protect the
lines against humidity and contact with water. Avoid any heat stress on
the line due to unfavourable laying conditions.
4 Suitably support the connecting lines so that the pumps are not
exposed to any major mechanical stress.
5 After a mains power failure the pump will run up automatically again.
This also applies in the case of an emergency shutdown. In order to
prevent the pump from running up automatically again, the pump must
be integrated within a control arrangement such that it can only be
switched on manually again after the mains power has returned.
6 Provide an adequate ground connection for the pump so as to avoid
any electrostatic charging.
WARNING
WARNING

Safety information
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0.3 Thermal hazards
1 Under certain ambient conditions the TRIVAC E may attain a
temperature of over 70 °C (158 °F). There then exists the danger of
receiving burns.
Note the symbols on the pump pointing to the hazards, and in the
case of a hot pump wear the required protective clothing. All work on
the “pump still warm from operation” should only be done using pro-
tection gloves.
2 Before servicing and maintenance work always leave the pump to cool
down.
3 Note the warning information on the housing surface. If these warning
notices have been removed, covered or obstructed, include corre-
sponding additional warning notices.
0.4 Hazards caused by materials and substances
1 Before pumping oxygen (or other highly reactive gases) at concentra-
tions exceeding the concentration in the atmosphere (> 21 % for
oxygen) it will be necessary to use a special pump. Such a pump will
have to be modified and degreased, and an inert special lubricant
(like PFPE) must be used
2 Before commissioning the TRIVAC E, make sure that the media which
are to be pumped are compatible with each other so as to avoid
hazardous situations. All relevant safety standards and regulations
must be observed.
3 When pumping toxic, chemical, radioactive and corrosive gases as
well as pyrophorous substances, the user is under the obligation to
comply with the national and international safety regulations and
guidelines. Regarding the suitability of the TRIVAC E pumps for special
applications in which such gases shall be pumped, Leybold should be
consulted first.
4 If the pump has previously handled hazardous gases, implement the
proper precautionary measures before opening the intake or exhaust
connection.
Before opening the pump, purge it for a longer period of time with an
inert gas.
If necessary, use gloves, a respirator and/or protective clothing and
work under an exhaust hood. Firmly seal off the pump.
When shipping the contaminated pump for servicing, please also state
the type of hazard. For this you must use a form which we have pre-
pared for you.
5 Contaminated parts can be detrimental to health and environment.
Before beginning with any work, first find out whether any parts are
contaminated. Adhere to the relevant regulations and take the neces-
sary precautions when handling contaminated parts.
CAUTION
DANGER

Safety information
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0.5 Danger of ignition
1 The standard version of the TRIVAC E is not suited for operation in
explosion hazard areas.
2 The TRIVAC pumps including the accessories are fundamentally not
suited for pumping of combustible and explosive gases or vapours.
Mixtures of substances may, regarding the fire and explosion risk be
critical or uncritical. The operating company is under the commitment
to analyse this and rate the hazard potential accordingly so as to the-
refrom derive the necessary safety measures which must be intro-
duced.
Provided ignitable or pyrophorous substances are present in the
equipment you must:
nensure that no air can enter into the equipment,
nensure that the system is leak-tight,
nwith an inert gas purge (a nitrogen purge, for example) dilute all igni-
table gases or vapours which may enter into the pump through the
pump’s inlet and/or with an inert gas purge reduce the concentration
of ignitable gases or vapours in the pump and in the exhaust line to
less than a quarter of the lower explosion limit (LEL) published for the
respective gases.
CAUTION

Safety information
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0.6 Risk of damaging the pump
1 Before starting up for the first time, the motor circuit must be equipped
with a suitable protective motor switch. Please take note of the infor-
mation in these Operating Instructions and on the electric motor (wiring
diagram).
2 Do not allow the ingestion of small objects (screws, nuts, washers,
pieces of wire, etc.) through the inlet port. For this reason always use
the inlet screen which is supplied as standard.
3 Do not use the pump for applications that produce abrasive or
adhesive powders or condensable vapours that can leave adhesive or
high viscosity deposits. When planning to pump vapours other than
water vapour please contact our sales or service department for
advice.
4 This pump is suited for pumping water vapour within the specified
water vapour tolerance limits.
5 Avoid vapours that can condense into liquids when being compressed
inside the pump, if these substances exceed the vapour tolerance of
the pump.
6 Before pumping vapours the TRIVAC E should have attained its
operating temperature. This will be the case approximately 30 minutes
after having started the pump. During this warming up phase, the
pump should be separated from the process, by a blocking valve in
the intake line, for example.
7 In the case of wet processes we recommend the installation of liquid
separators upstream and downstream of the pump as well as the use
of the gas ballast.
8 The exhaust line should be laid so that it slopes down and away from
the pump so as to prevent condensate from backstreaming into the
pump.
9 The entry of particles and fluids must be avoided under all
circumstances.
10 Reactive or aggressive substances in the pump chamber may impair
the operating oil or modify it. In addition, such substances may be
incompatible with the materials of the pump (Viton, grey cast iron, alu-
minium, steel, resins, glass etc.).
11 Normal amounts of humidity within the range of the pump’s water
vapour tolerance will not significantly affect pump performance when
the gas ballast is active.
12 When operating the pumps at gas throughput, it is urgently recom-
mended to connect an exhaust filter or use a suitable exhaust line.
Here, the exhaust line must slope down and away from the pump.
13 In the case of custom pumps (with part numbers deviating from those
stated in the EC Declaration of Conformity) please note the information
provided in the supplementary sheets.
NOTICE

Description
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Fig. 1 TRIVAC D 2,5 E rotary vane pump
TRIVAC
OUT
IN
OUT
IN
OIL
B
G
0
1
2
3
1 Intake port
2 Oil drain
3 Oil level indicator
4 Name plate
5 Oil fill
6 Exhaust port
7 Gas ballast valve
8 Mains power connection
1 Description
The TRIVAC D 2,5 E are dual stage oil sealed rotary vane vacuum pumps.
The number in the designation of the pump indicates the pumping speed
of this pump in m3· h-1.
These pumps are capable of pumping gases and vapours out of vessels
and vacuum systems down into the fine vacuum pressure range. The stan-
dard pumps are not designed to handle oxygen at concentrations excee-
ding the concentration of oxygen in the atmosphere. Moreover, these
pumps are not suited for pumping of hazardous gases or extremely
aggressive or corrosive media.
The drive motor of the TRIVAC D 2,5 E is screwed directly to the bearing
piece. The shaft of the pump and the shaft of the motor are linked by a
coupling piece. The bearings in the inner pump body are force-lubricated
sliding bearings.
The oil level glass for viewing the minimum/maximum oil level and the oil
drain plug as well as the name plate are located on the front of the pump.
The connection components, the gas ballast knob and the oil fill plug are
located on the top of the pump.
1
2
3
4
5
6
7
8

Description
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1.1 Function
The rotor (2/6) which is eccentrically arranged in the pump housing (pump
chamber) has two radially sliding vanes (2/7 and 2/9) which divide the pump
chamber of the pump into several chambers.
The volume of each chamber changes periodically with each turn of the rotor
so that the gas at the intake port (2/4) is sucked in. The gas enters the pump
chamber, and after the admission aperture has been sealed off by the vane,
the gas is compressed and moved on.
The compressed gas is ejected from the pump chamber through the exhaust
valve. Oil which is entrained in the gas is roughly separated by an internal
demister and at the same time any mechanical contaminations are also
removed from the oil. The gas exits the pump through the exhaust port.
Oil injected into the pump chamber serves the purpose of sealing and lubri-
cation. The knocking noise (oil slap) which normally occurs when the pump
approaches its ultimate pressure is avoided by injecting a small amount of air
into the oil so that a silencing effect is attained.
B
G
0
1
2
3
1 Gas ballast valve
2 Gas ballast inlet
3 Tandem valve
(vacuum protection)
4 Intake port
5 Oil feed (oil pump)
6 Rotor
7 Vane (HV)
8 High vacuum stage
(pump chamber)
9 Vane (FV)
10 Forevacuum stage
(pump chamber)
11 Non-return valve
12 Diaphragm valve
13 Exhaust valve
14 Bypass valve
15 Exhaust port
Fig. 2 Sectional view through a TRIVAC D 2,5 E pump
15
123
4
5
6
7
8
9
10
11
12
13
14

Description
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By opening the gas ballast valve (2/1, optional) it is possible to admit a con-
trolled quantity of air (gas ballast) into the pump chamber while the compres-
sion process is in progress. The gas ballast will prevent the condensation of
vapours within the pump up to the extent of the vapour tolerance levels as
stated in the specifications for the pump (these data refer to water vapour).
A special lubrication system with forced lubrication of the sliding bearings has
been developed to enable operation of the pump at intake pressures up to
1000 mbar.
An oil pump supplies the oil from the oil reservoir into a high pressure oil sys-
tem which in turn supplies all bearings. From here the oil enters the pump
chamber of the vacuum pump.
The oil pump is located in bearing piece of the high vacuum stage.
Separation of oil and gas in the pump involves two stages. First an internal
demister which is arranged ahead of the exhaust valve ensures the creation
of larger droplets.
Next these are returned back to the oil reservoir via a separation panel. This
ensures a minimal loss of oil.
This and the combination with the large usable oil reservoir, results in long
intervals between the oil exchanges, even at high intake pressures.
The gas ballast valve (GB) is opened or closed by turning it (positions 0, 1,
2, 3).
Available as an option is a gas ballast valve having a knurled screw
(see Fig. 11). When fully opening this valve, the resulting gas flow will corre-
spond to that of valve position 3 in the following Table.
GB-Position Explanation
0 no gas ballast
maximum ultimate pressure
1 for cleaning the pump’s oil at a good ulti-
mate pressure and low oil consumption
2 good water vapour tolerance -
without producing excessive noise
3 maximum water vapour tolerance in accordance with the
technical data
When the pump is at standstill (mains power failure, or when the pump is
shut down) the pump chamber is hermetically sealed off by two safety valves
(tandem valve and gas ballast diaphragm valve) which are controlled through
the oil pressure.
This reliably avoids any inadvertent venting of the vacuum chamber and the
backstreaming of oil.

Description
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1.2 Supplied Equipment
Each TRIVAC D 2,5 E pump is supplied with the following basic equipment:
Pump with motor,
Separately included oil,
Separately included dirt sieve with O-ring,
Operating Instructions,
The connection ports are provided with foil protectors for protection during
shipping.
The TRIVAC E pumps are supplied ready for operation, complete with switch,
built-in thermal motor overload protection, mains cord (1.8 m long) and a
mains plug which depends on the country of use.
The following part numbers are exceptions: P/N140000 is supplied with
cable and Schuko shockproof plug (CEE 7/4), P/N140008 is supplied with
cable and custom plug, see Section 1.3 Motor Data.
Notes on the Oil and how to order
Oil LVO 100 is used as standard. If any other kind of special oil is being
used, this fact will be indicated by a sticker on the oil box stating the type
of special oil used.
You must only use the kind of oil which has been specified for the particu-
lar pump.
Special oils upon request.
Only use the kind of oil specified by Leybold.
NOTICE

Description
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1.3 Technical Data
D 2,5 E
two-stage
50 Hz / 60 Hz
Nominal pumping speed 1) m3· h-1 3.2 / 3.6
Pumping speed 1) m3· h-1 2.7 / 3.3
Ultimate partial pressure without gas ballastt 1) mbar 5 · 10-4
Ultimate total pressure without gas ballastt 1) mbar 2 · 10-3
Ultimate total pressure with gas ballast 1) mbar 3 · 10-3
Water vapour tolerance 1) mbar
Stage 1 10
Stage 2 20
Stage 3 30
Water vapour capacity g · h-1
Stage 1 20 / 25
Stage 2 40 / 50
Stage 3 0 / 75
Oil filling, min./max. l 0.4 / 0.7
Noise level to DIN 45 635 dB (A) 47
(without/with gas ballastt)
Admissible ambient temperature 2) °C +12 ... +40
Connections, intake and exhaust side DN 6 KF
1) In acc. with DIN 28 400 et seq. valid for LVO 100. For other oils the ultimate pressure may differ.
2) The motor may accelerate with a delay when simultaneously an undervoltage is present at the motor and the pump is at the minimum
permissible and ambient temperature..
10-4 2
10-1
Saugvermögen
Druck
101
100
8
6
4
2
864
10-3 10-2 10-1 101 100mbar 103 102
-1
h
3.
m
Fig. 3 Pumping speed characteristics of the TRIVAC D 2,5 E
Pumping speed
Pressure

Description
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DN
DN
OUT IN
OUT
IN
OIL
M
L
K
J
G
E
F
A
H
NCD
B
TRI VA C
P
O
Q
R
Fig. 4 Dimensional drawings for the TRIVAC D 2,5 E rotary vane vacuum pumps
X
View ”X” Type DN E F G H J K L M N O P Q R
D 2,5 E 16 KF 162.5 75.5 119.5 225 231.5 225 182 177 113 27 15 83 84.5
Dimensions (A), (B), (C) and (D) see next page.

Description
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Cat.-No. of the pump 140 000
Motor type E7B4B3-7-351
Motor L/N 20015412
IP rating
Operating mode IEC34 / Duty
Isolation class F
Phases 1~
Manufacturer Hanning-Elektro-Werke
GmbH & Co. KG
33813 Oerlinghausen
Germany
Number of poles 4
Nom. output power at 50 Hz 280 W
Nom. output power at 60 Hz 300 W
Nom. in frequency 50 Hz
60 Hz
Nom. voltage range
and nom. current at 50 Hz 220-240 V / 1.8 A
Nom. voltage range
and nom. current at 60 Hz 230 V / 1.4 A
Tolerances of voltage range1) ±5 %
Nom. speed at 50 Hz 1400 min-1
Nom. speed at 60 Hz 1600 min-1
Disposal local directives have to be considered
Max. altitude above sea level 1000 m above sea level
Max. ambient temperature when operating1) 40 °C
T-board / plug Mains cord (0.37 m)
with custom plug
Certificates2) for the motor
Length of the pump (A) 392 mm
Height of the pump up to the upper edge 210 mm
of the junction box (B)
Width of the moto (D) 148.5 mm
Weight of the motor 7.6 kg

Description
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Cat.-No. of the pump 140 004 140 005
Motor type E7B4B3-7-375 E7B4B3-7-376
Motor L/N 20015413 20015414
IP rating IP54 IP54
Operating mode IEC34 / Duty
Isolation class F F
Phases 1~ 1~
Manufacturer Hanning-Elektro-Werke Hanning-Elektro-Werke
GmbH & Co. KG GmbH & Co. KG
33813 Oerlinghausen 33813 Oerlinghausen
Germany Germany
Number of poles 4 4
Nom. output power at 50 Hz 280 W 280 W
Nom. output power at 60 Hz 300 W 300 W
Nom. in frequency 50 Hz 50 Hz
60 Hz 60 Hz
Nom. voltage range
and nom. current at 50 Hz 220-240 V / 1.8 A 220-240 V / 1.8 A
Nom. voltage range
and nom. current at 60 Hz 230 V / 1.4 A 230 V / 1.4 A
Tolerances of voltage range1) ±5 % ±5 %
Nom. speed at 50 Hz 1400 min-1 1400 min-1
Nom. speed at 60 Hz 1600 min-1 1600 min-1
Disposal local directives have to be considered local directives have to be consi-
dered
Max. altitude above sea level 1000 m above sea level 1000 m above sea level
Max. ambient temperature when operating1) 40 °C 40 °C
T-board / plug Mains cord (1.8 m) with Mains cord (0.37 m) with
British standard Swiss central plug
BS 1363 Type 12
Certificates2) for the motor
Length of the pump (A) 392 mm 392 mm
Height of the pump up to the upper edge ) 210 mm 210 mm
of the junction box (B)
Width of the motor (D) 153.5 mm 153.5 mm
Weight of the motor 7.5 kg 7.4 kg

Description
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Cat.-No. of the pump 140 003 140 002
Motor type E7B4B3-7-353 E7B4B3-7-352
Motor L/N 20015415 20015416
IP rating TE TE
Operating mode IEC34 / Duty
Isolation class F F
Phases 1~ 1~
Manufacturer Hanning-Elektro-Werke Hanning-Elektro-Werke
GmbH & Co. KG GmbH & Co. KG
33813 Oerlinghausen 33813 Oerlinghausen
Germany Germany
Number of poles 4 4
Nom. output power at 50 Hz 310 W
Nom. output power at 60 Hz 330 W 370 W
Nom. in frequency 50 Hz
60 Hz 60 Hz
Nom. voltage range
and nom. current at 50 Hz 100 V / 5.5 A
Nom. voltage range
and nom. current at 60 Hz 100 V / 4.0 A 110-120 V / 3.7 A
Tolerances of voltage range1) ±5 % ±5 %
Nom. speed at 50 Hz 1400 min-1
Nom. speed at 60 Hz 1600 min-1 1600 min-1
Disposal local directives have to be considered llocal directives have to be
considered
Max. altitude above sea level 1000 m above sea level 1000 m above sea level
Max. ambient temperature when operating1) 40 °C 40 °C
T-board / plug Mains cord (1.8 m) with Mains cord (1.8 m) with
plug plug
NEMA 5-15P NEMA 5-15P
Certificates2) for the motor
Length of the pump (A) 392 mm 392 mm
Height of the pump up to the upper edge 210 mm 210 mm
of the junction box (B)
Width of the motor (D) 153.5 mm 153.5 mm
Weight of the motor 7.4 kg 7.7 kg

Description
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Cat.-No. of the pump 140 001, 140 009 140 008
Motor type E7B4B3-7-350 E7B4B3-7-383
Motor L/N 20015417 20016678
IP rating IP54 / TE IP54
Operating mode IEC34 / Duty
Isolation class F F
Phases 1~ 1~
Manufacturer Hanning-Elektro-Werke Hanning-Elektro-Werke
GmbH & Co. KG GmbH & Co. KG
33813 Oerlinghausen 33813 Oerlinghausen
Germany Germany
Number of poles 4 4
Nom. output power at 50 Hz 290 W 280 W
Nom. output power at 60 Hz 310 W 300 W
Nom. in frequency 50 Hz 50 Hz
60 Hz 60 Hz
Nom. voltage range
and nom. current at 50 Hz 100-120 V / 4.4 A 220-240 V / 1.8 A
200-240 V / 2.2 A
Nom. voltage range
and nom. current at 60 Hz 100-120 V / 3.0 A 230 V / 1.4 A
200-240 V / 1.5 A
Tolerances of voltage range1) ±5 % ±5 %
Nom. speed at 50 Hz 1400 min-1 1400 min-1
Nom. speed at 60 Hz 1600 min-1 1600 min-1
Disposal local directives have to be considered local directives have to be considered
Max. altitude above sea level 1000 m above sea level 1000 m above sea level
Max. ambient temperature when operating1) 40 °C 40 °C
T-board / plug Multi pin plug at the junction box, Without mains cord,
mains cord: with custom plug
20081091 (1.8 m) with Schuko plug CEE 7/7 (included in delivery)
20081097 (1.8 m) with UK plug BS 1363 (optional)
20081099 (1.8 m) with CH plug SEV 1011 (optional)
20081141 (1.8 m) with US plug NEMA 6-15P (optional)
Certificates2) for the motor
Length of the pump (A) 392 mm 392 mm
Height of the pump up to the upper edge 227 mm 210 mm
of the junction box (B)
Width of the motor (D) 127 mm 127 mm
Weight of the motor 7.7 kg 7.2 kg

Description
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1) The motor may accelerate with a delay when simultaneously an undervoltage is present at the motor
and the pump is at the minimum permissible and ambient temperature.
2) Key to the certificates:
CSA certification mark for products certified in accordance with CSA for Canada.
UL certification mark for approved components for the USA.
UL certification mark for energy efficiency for listed products and approved components for Canada
and the USA.
Observe the data given on the motor name plate.
For special pumps please note the information contained in the
supplemental sheet.
NOTICE

Description
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1.4 Accessories
Part-No.
Exhaust filter AF 8, DN 16 KF 190 50
Replacement filters FE 8 (5er Pack) 190 80
Drain tap for the exhaust filter AF 8 190 95
Condensate separator AK 8, DN 16 KF 190 60
Oil drain tap 190 90
Manual oil return AR-M via the gas ballast port
(Kit for AF 8) 190 93
Oil suction facility controlled by a solenoid valve
AR-V via the gas ballast port (Kit for AF 8) 190 92
Connection components required to connect the exhaust filter and the
condensate separators in each case:
Part-No.
1 Pipe bend DN 16 KF 184 36
2 Centering rings with O-ring DN 16 KF 183 26
2 Clamping rings DN 16 KF 183 41
Use only the kind of oil specified by Leybold.
NOTICE