Elmo Rietschle G-BH1 Operating instructions

G-Series Side Channel Blower Repair Manual
Types 2BH1 6
G-BH1
All rights reserved.
Original Operating Instructions
610.44434.40.316
Edition 07-2010
English

2Gardner Denver Deutschland GmbH

Contents
Gardner Denver Deutschland GmbH 3
Contents
1 General.................................................................................... 5
1.1 About this manual ..................................................................................... 5
1.2 Target group .............................................................................................. 5
1.3 Other valid documents ............................................................................. 5
1.4 Means of illustration ................................................................................. 5
1.5 Explanations of terms ............................................................................... 6
2 Safety...................................................................................... 7
2.1 General ....................................................................................................... 7
2.2 Labelling of warning signs ....................................................................... 7
2.3 Correct Use of The Equipment ................................................................ 7
2.4 Information on explosion protection ....................................................... 7
2.5 Staff qualifications and training .............................................................. 8
2.6 Working in a safety-conscious manner .................................................. 8
2.7 Safety instructions for installation, maintenance and servicing work 8
2.8 Safety notes for repair work ..................................................................... 8
3 Transportation, storage and disposal.................................. 9
3.1 Transporting .............................................................................................. 9
3.1.1 Lifting and transporting ................................................................................ 9
3.2 Disposal ................................................................................................... 10
4 Tools, spare parts and exploded view drawings .............. 11
4.1 Tools and expendable materials ............................................................ 11
4.2 Ordering spare parts ............................................................................... 11
4.3 Spare parts list ........................................................................................ 12
4.4 Exploded view drawings ........................................................................ 15
5 Disassembling the side channel compressor................... 21
5.1 Removing the foot ................................................................................... 21
5.2 Removing the silencer ............................................................................ 21
5.3 Disassembling the compressor side ..................................................... 21
5.4 Disassembling the ventilation side ....................................................... 24
6 Assembling the side channel compressor........................ 25
6.1 Assembling the ventilation side ............................................................ 25
6.2 Assembling the compressor side .......................................................... 28
6.3 Fitting the silencer .................................................................................. 31
6.4 Fitting the foot ......................................................................................... 31
7 Commissioning.................................................................... 33

Contents
4Gardner Denver Deutschland GmbH

1 General
About this manual
Gardner Denver Deutschland GmbH 5
1 General
1.1 About this manual
This Repair Manual:
• is part of the G-series type 2BH1 6.. side channel compressor
• describes the safe, correct repair procedures for the side channel com-
pressor
• must be available for reference at the place of repair
1.2 Target group
The target group for this manual is technically trained specialist staff.
1.3 Other valid documents
1.4 Means of illustration
2BH1 1-/2-stage/twin-flow
Other valid documents and their purpose
Document Purpose
Operating instructions
610.44434.21.000
Information regarding the safe, correct handling
of the side channel compressor in all phases of its
life
Symbols Explanation
Condition, prerequisite
Handling instructions, measures
Result
Cross reference with reference to page
Procedure only applies to one-stage 2BH1 6..
Procedure only applies to two-stage 2BH1 6..
Procedure only applies to twin-flow 2BH1 6..
Procedure only applies to one and two-stage
2BH1 6..
Procedure only applies to two-stage and twin-
flow 2BH1 6..
Procedure only applies to 2BH1 6.. in the explo-
sion protection version (ATEX)
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1 General
Explanations of terms
6Gardner Denver Deutschland GmbH
1.5 Explanations of terms
2BH...
Term Explanation
Plant Part provided by the user in which the G-
BH1 is installed
External side of the compres-
sor housing
Side of the G-BH1 to which the motor is con-
nected
Motor Side channel compressor's drive motor
External side of the compres-
sor cover
Side of the G-BH1 to which no motor is con-
nected
Side-channel compressor Ready to connect combination of compres-
sor and G-BH1 motor
System Side channel compressor fitted with addi-
tional equipment

2 Safety
General
Gardner Denver Deutschland GmbH 7
2 Safety
The manufacturer is not liable for damage caused by failure to adhere to the
overall documentation.
2.1 General
The Repair Manual contains all procedures required for repair. Compliance
with these procedures will ensure safe handling of the 2BH1 6.. and prevent
personal injury and material damage.
The safety instructions in all chapters must be adhered to.
The Repair Manual must be read and fully understood by the respective spe-
cialist staff/operator before repairs are carried out. The content of the Repair
Manual must be available at all times to specialist staff on site. Signs attached
directly to the 2BH1 6.. must be adhered to and kept in a fully legible condition.
This applies, for instance, to:
• Labelling of connections
• Rating plate
The user is responsible for ensuring that the local regulations are observed.
2.2 Labelling of warning signs
2.3 Correct Use of The Equipment
Decontamination prior to repair
Before carrying out repairs, the 2BH1 6.. must be:
• permanently isolated from the power supply
• removed from the plant
• be cleaned of any media residue
2.4 Information on explosion protection
Explosion protected (ATEX) versions of the 2BH1 6.. (ATEX) must only be re-
paired in certified workshops.
Warning sign Level of risk Consequences if not
observed
Immediate
danger
Death, serious
physical injury
Possible
danger
Death, serious
physical injury
Possible dangerous
situation
Slight
physical injury
Possible dangerous
situation
Material damage
DANGER
WARNING
CAUTION
NOTICE
WARNING
Danger from combustible, corrosive or toxic substances!
a) Side channel compressors, which have been in contact with inflamma-
ble, corrosive or poisonous substances, must be decontaminated prior
to repair!

2 Safety
Staff qualifications and training
8Gardner Denver Deutschland GmbH
2.5 Staff qualifications and training
• Make sure that the staff delegated to carry out work have read and under-
stood this Manual and all other pertinent documents, in particular the infor-
mation on safety, maintenance and repair, before starting work.
• Clearly define the responsibilities, obligations and monitoring of staff
• Have all work carried out by specialist technical staff only
– Installation, repair, maintenance work
– Working on the electrical system
• personnel under training must only work under the supervision of techni-
cally skilled personnel.
2.6 Working in a safety-conscious manner
In addition to the safety instructions listed in this manual and the stipulations
on proper use, the following safety instructions must also be observed:
• Regulations for the prevention of accidents, safety and operating regula-
tions
• Standards and laws
2.7 Safety instructions for installation, maintenance
and servicing work
2.8 Safety notes for repair work
CAUTION
When carrying out repair work, there is a danger of injury through
sharp-edged parts.
a) Wear protective gloves, safety footwear and protective goggles.
NOTICE
Parts of the aggregate can be damaged if repair work is not carried out
correctly.
a) Carry our disassembly and assembly work with due diligence and cau-
tion.
b) Replace damaged parts.

3 Transportation, storage and disposal
Transporting
Gardner Denver Deutschland GmbH 9
3 Transportation, storage and disposal
3.1 Transporting
3.1.1 Lifting and transporting
WARNUNG: Kippen de, herabfal lende Lasten
2BH1...
Preparing the G-BH1 for transportation
Transportation is made in different ways, depending upon the type:
• 2BH11.., 2BH12.., 2BH13.., 2BH14.. and 2BH15.. (1-stage) with a weight
of up to 30 kg are not provided with lifting eyes and can be transported by
hand
• 2BH15.. (2-stage), 2BH16.., 2BH18.. and 2BH19.. are provided with a lift-
ing eye attached to the housing
• with the 2BH1943, the lifting eye and the holes in the feet of the housing
are foreseen for attaching lifting gear.
a) Tighten the lifting eye. The eye of the lifting eye must be aligned to the axis
of the axle, use shims if necessary.
b) Attach the lifting strops to the lifting points described above.
c) Prevent the compressor from toppling by attaching the belts appropriately.
Transportation with a crane
a) Attach the crane hook to the lifting belts.
b) Transport the side channel compressor by crane.
Do not place loads on the lifting eye which act transversely.
Avoid shock loading.
c) After transportation remove the crane hook and the lifting belts.
WARNING
Risk of injuries from toppling or falling loads.
Adhere to the following when transporting with lifting gear:
a) Select the appropriate lifting gear for the total weight which you wish to
transport..
b) Secure the goods for transportation to prevent them from toppling or
falling.
c) Do not remain under supported loads.
d) Set the transported goods down on a horizontal surface.

3 Transportation, storage and disposal
Disposal
10 Gardner Denver Deutschland GmbH
3.2 Disposal
Decontamination before disposal
When performing disposal, adhere to the following:
a) Collect oil and grease and dispose of them separately in accordance with
the valid local regulations.
b) Do not mix solvents, lime scale remover and residual lacquer.
c) Remove add-on parts.
d) Dispose of the compressor, drive and add-on parts in accordance with the
valid national and local regulations.
WARNING
Danger from combustible, corrosive or toxic substances!
a) Side channel compressors, which have come into contact with hazard-
ous substances, must be decontaminated before disposal.

4 Tools, spare parts and exploded view drawings
Tools and expendable materials
Gardner Denver Deutschland GmbH 11
4 Tools, spare parts and exploded view
drawings
4.1 Tools and expendable materials
Tools required
The following tools are required to disassemble and assemble the 2BH1 6..:
01 Tools 2BH 1 • Circlip pliers
• Hammer
• Screwdrivers
• Spanners
• Allen keys
• Sidecutters/combination pliers
• Bearing puller
• Clamping device for the rotor, when fitting the deep groove ball bearing
• Plastic pipe for fitting the deep groove ball bearing
• Locating pin for the housing end plate
• Measuring devices
• Hot plate
• Temperature sensor with indication unit
• Metal sleeve, the same diameter as the deep groove ball bearing
Expendable materials required
The following expendable materials are required for assembly of the 2BH1 6..:
02 Expendab le materials 2B H1 • Sealing compound, Loctite 496
• Sealing compound, Epple 03213
• ESSO UNIREX N3 (alternative grease as per DIN 51825-K3N)
• Shell Alvania 3 grease
4.2 Ordering spare parts
The following information must always be provided when ordering spare parts
from the manufacturer:
• Order number (1), see rating plate
•Serial number (2), see rating plate
• No. and designation from the spare parts list
Example order
2BH1900-7AH06
No. BN Y9 99 999 99 001
Impeller 027

4 Tools, spare parts and exploded view drawings
Spare parts list
12 Gardner Denver Deutschland GmbH
4.3 Spare parts list
All damaged parts and parts whose replacement interval is specified as "al-
ways" must be replaced whenever a repair is carried out.
Parts which are marked "if worn" must be replaced depending upon their con-
dition.
All re-usable parts must be thoroughly cleaned.
2BH16
No. Designation Replacement Inter-
val Remark
001 Motor housing, complete
002 Compressor housing if worn
005 Rotor
006 Feather key
007 Deep groove ball bearing always
008 Deep groove ball bearing always
010 Bearing cover, complete
011 O-ring always
012 Washer if worn
014 Screw
025 Screw
027 Impeller if worn
029 Screw
030* Compressor cover if worn
033 O-ring always
034 Flanged
035 Flanged
039 Tolerance ring Axle height ≤90
042 Terminal box, complete
048 Stepped pipe, suction side
049 Stepped pipe, pressure side
053 Screw
054 Seal if worn
055 Seal if worn
058 Screw
061 Square nut
062 Foot
063 Screw
064 Circlip always
065 Sleeve
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4 Tools, spare parts and exploded view drawings
Spare parts list
Gardner Denver Deutschland GmbH 13
066 Screw
067 Circlip
068 Washer
069 Circlip always
072 Centre body
074 Screw
078 Washer
087 Cover
095 Felt washer always
096 Radial shaft seal always
098 Screw
127 Washer
130 Filler piece
134 Sleeve
142 Screw
168 Washer
403 Silencer housing
409 Nut
410 O-ring
413 Silencer insert if worn Part of KIT
433 Seal if worn Part of KIT
444 Screw
450 End plate
451 Screw
452 Radial shaft seal always
455 Steel tape
459 Nut
467 Spring washer always
500 Fan cowling
501 Exterior fan always
503 Screw always
505 Feather key
506 Circlip
600 Frequency inverter, complete Frequency converter
640 Terminal box, upper part of frequency inverter Frequency converter
650 Terminal board, complete
No. Designation Replacement Inter-
val Remark
+
+

4 Tools, spare parts and exploded view drawings
Spare parts list
14 Gardner Denver Deutschland GmbH
* Order No. 010 and No. 011 when ordering No. 030.
670 Capacitor, complete
682 Frequency inverter screw Frequency converter
698 Module carrier Frequency converter
990 Silencer, complete if worn
2000 Rating plate
KIT Silencer spare parts kit if worn
UmrKIT Spare parts kit, frequency inverter Frequency converter
CableKIT Spare parts kit, cable Frequency converter
No. Designation Replacement Inter-
val Remark

4 Tools, spare parts and exploded view drawings
Exploded view drawings
Gardner Denver Deutschland GmbH 15
4.4 Exploded view drawings
Exploded view drawing, 1-stage
027
078
074
006 Motor
067
065
066
063
062
025
002
033
012
014
096
095
413*
403
444
433*
990
127
* Ersatzteilkit
* Spare part kit
058
061
029
010
030 2000
168
064
068
007
011
069
2BH1 60.
2BH1 63.
2BH1 69.

4 Tools, spare parts and exploded view drawings
Exploded view drawings
16 Gardner Denver Deutschland GmbH
Exploded view drawing, 2-stage
064
027
078
072
074
006 Motor
067
065
066
068
063
062
134
027
025
002
033
012
014
096
095
413*
403
444
433*
990
127
* Ersatzteilkit
* Spare part kit
058
061
029
010
007
069
030
011
087
2000
098
990
054
035
053
034
130
055
168
055
142
048
bei Motorgröße 4 / with motor size 4:
2BH1 61.

4 Tools, spare parts and exploded view drawings
Exploded view drawings
Gardner Denver Deutschland GmbH 17
Exploded view drawing, twin-flow
027
072
067
065
066
064
068
062
134
027
025
002
096
095
127
058
061
007
078
074
033
012
014
029
010
069
030
011
142
049
990
055
006
Motor
2000
168
063
413*
403
444
433*
990
* Ersatzteilkit
* Spare part kit
055
142
048
2BH1 64.
2BH1 66.

4 Tools, spare parts and exploded view drawings
Exploded view drawings
18 Gardner Denver Deutschland GmbH
Exploded view drawing, motor
670
042, 650
506
459
Blower
Blower
005
005
001
501
503
503
500
500
008
505
467
410
467
455
409
042, 650
042, 650
001
008
039
455
450
451
452
501
452
450
451

4 Tools, spare parts and exploded view drawings
Exploded view drawings
Gardner Denver Deutschland GmbH 19
Exploded view drawing, add-on frequency inverter 2FC43../2FC44../2FC45../2FC47..

4 Tools, spare parts and exploded view drawings
Exploded view drawings
20 Gardner Denver Deutschland GmbH