WEG WG20 User guide

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WG20 Geared Motors - Mounting Instruction

E-2 | WG20 Geared Motors
1. General E-3
1.1. Safety and information markings E-3
1.2. General information E-3
1.3. Exclusion of liability E-3
1.4. Indication of copyright and protective right E-3
2. General safety E-4
3. Gear unit / Geared motor description E-5
3.1. Nameplate E-5
3.2. Type designation E-5
4. Transport E-7
5. Storage E-8
6. Gear unit construction E-9
6.1. Basic design principles helical gear unit C E-10
6.2. Basic design principles parallel shaft gear unit F E-12
6.3. Basic design principles helical bevel gear unit K E-14
7. Mechanical installation E-16
7.1. Preparatory work gear unit E-16
7.2. Preparatory work motor E-16
7.3. Setting up the gear unit / geared motor E-18
8. Check list - Gear unit E-24
9. Check list - Motor E-24
10. Startup E-24
10.1. Electrical connection of the motor E-24
10.2. Direction of rotation E-25
10.3. Oil level in the gear unit as delivered E-25
11. Operation E-25
12. Malfunction E-26
13. Inspection and maintenance E-27
13.1. Inspection and maintenance intervals E-27
13.2. Inspection and maintenance work on gear unit E-27
14. Lubricants E-28
15. Mounting positions and lubricant capacity E-29
15.1. Helical gear units C E-29
15.2. Parallel shaft gear units F E-30
15.3. Helical bevel gear units K E-31
16. Position of terminal box and cable entry E-32
17. Terminal board connection E-32
18. Optional motor devices E-34
18.1. Anti-condensation heating E-34
18.2. Drain E-34
18.3. Forced cooling E-34
18.4. Temperature controller Bimetal switch „NC contact“ (TH) E-35
18.5. PTC Thermistor protection (TF) E-35
18.6. Brake E-35
19. Table of Tightening Torques E-38
20. Disposal E-38
21. Declaration of incorporation E-39
22. EU declaration of conformity ATEX 2014/34/EU E-40
23. EU declaration of conformity: low voltage directive 2014/35/EU E-41

WG20 Geared Motors | E-3
1. General
1.1. Safety and information markings
1.2. General information
1.3. Exclusion of liability
1.4. Indication of copyright and protective right
This Mounting Instruction (MI) is part of the gear unit as supplied and must be read carefully before working with the gear
unit. The instructions in the MI must be followed. Keep the MI close to the gear unit.
We assume no liability for damages or disruptions of operations resulting from the failure to observe this MI.
In order to develop the product further, the producer reserves the right to make modications to the individual components
or assemblies that are believed to be useful to improve the product, while maintaining its essential characteristics.
Protection class:
The gears are in accordance with Protection Class IP 65.
Motors are designed within Protection Class IP 55 at minimum (see nameplate).
Intended use:
The gears / geared motors are exclusively assigned for the generation of a dened rotary motion within machinery and
plants. The gears comply with the basic requirements of the machinery directive 2006/42/EC as far as possible.
Any other use or utilisation above this is deemed a not intended use. The user / operator of the machine / plant is solely
liable for damages resulting therefrom.
The details in this mounting instruction, on the nameplate as well as in other technical documentation, are to be considered
and observed.
Intended use for motors:
The motors comply with the basic requirements of the Low Voltage Directive 2014/35/EU. They are designed for power
operating as well as operating in combination with frequency inverters.
Standard motors are designed for use at:
■Ambient temperatures of -20°C (-4°F) to +40°C (104°F)
■Altitudes of ≤ 1,000 m above sea level
You must comply with the information contained in this MI to ensure safe operation of the gear unit, geared motor and to
achieve the specied product characteristics and performance requirements.
The producer assumes no liability for injury to people or damage to equipment or property resulting from non-observance
of this MI. In such cases, any liability for defects is excluded.
All technical documents are protected in the sense of the copyright law. The processing, reproduction and dissemination of
it, even in extracts, as well as other utilisation is not allowed, unless it has been expressly conceded in written form.
WARNING!
All safety and warning instructions must be followed without exception!
Warning of electrical or mechanical danger
ATTENTION!
Important instructions for safe and trouble-free operation

E-4 | WG20 Geared Motors
2. General safety
The customer is responsible for setting up the drive in accordance with good engineering practices.
The instructions in this Mounting Instruction must be followed to achieve the conrmed characteristics of the drive units and
to ensure approval in case of warranty claims.
Make certain that you never put damaged products into operation!
Read this Mounting Instruction carefully before you begin any setup, installation or maintenance work.
Installation, start-up, maintenance and repair work on the gear unit / gear motor as well as on electrical accessory equip-
ment may only be performed by qualied technical personnel, taking the following items into account:
■Operating Instructions
■Information labels/tags on the gear unit / geared motor
■All other project documents, setup manuals, operating manuals
■Drive-specic specications and requirements belonging to the drive unit
■The applicable regional and national regulations on safety and accident prevention
Work is only permitted:
■on the stationary drive,
■while disconnected and
■prevented from being switched on again.
Operation of the drive unit by means of a frequency inverter may only occur if the specications shown on the motor name-
plate have been carried out.
WARNING!

WG20 Geared Motors | E-5
3. Gear unit / Geared motor description
3.1. Nameplate
3.2. Type designation
All data on the nameplate of the gear denes the limits of its intended usage. It is imperative to adhere to this data.
Please take further technical data and drawings from the latest geared motor catalogue.
aType code hSerial number
bMotor power iMaterial number
cOutput torque jQR code with link to additional data
dService factor kOutput speed
eOil quantity and type lTotal gear ratio
fSpace for additional information mMounting position
gProduction date nWeight
Type designation
(example)
CG02-11N-63-04F-TH-TF-BR2 FH032-11P-80-04F-TH-TF-BR10 KH022-11N-63-04F-TH-TF
Type C (Helical gear unit) F(Parallel shaft gear unit) K(Helical bevel gear unit)
Possible gear unit
execution
CA … … Foot and ange type
with output shaft
CF … B14-ange housing with
output shaft
CG … Flange type with output
shaft
CW … Foot and B14-ange
type with output shaft
FD … Hollow shaft and shrink
disc
FF … B5-ange type with output
shaft
FH … Hollow shaft
FO … B5-ange type with hollow
shaft
FP … B5-ange type with hollow
shaft and shrink disc
FS … Output shaft
FT … Hollow shaft with rubber
buffer
FU … Hollow shaft with shrink
disc and rubber buffer
KD … Hollow shaft and
shrink disc
KF … B5-ange type with
output shaft
KH … Hollow shaft
KO … B5-ange type with
hollow shaft
KP … B5-ange type with
hollow shaft and shrink disc
KS … Output shaft
KT … Hollow shaft with
torque arm
KU … Hollow shaft with
shrink disc and torque arm
Possible gear unit
sizes 00, 01, 03, 05, 06, 07, 08 02, 03, 04, 05, 06, 07 02, 03, 04, 05, 06, 07
Possible gear
stages
00, 01: 2 stages
03-08: 2 or 3 stages
02, 03: 2 stages
04-07: 2 or 3 stages
02: 2 stages
03-07: 3 stages
Watt Drive Antriebstechnik
2753 Markt Piesting, Austria
www.wattdrive.com
MADE IN
AUSTRIA
SN:
Mat.:
P1 kW rpm
Oil kg
M2 Nm i
fB
CG012-11H-80-04F-TH-TF
12SEP16
16I18056
0.75
0.1 l - ISO VG 220 CLP 16.6
116
62 14.88
1.4 M1
WG20
a
b
c
d
e
f
g
h
i
j
k
l
m
n
WG20 nameplate (example)

E-6 | WG20 Geared Motors
Gear unit input types
63... - 180... Motor frame size
I.. IEC adapter
N.. NEMA adapter
Optional additional motor devices
Type designation (example) 11P 100L-04F SH K1 KB MIP BRH40 FL SD
11P 100L-04F Motor type
TH, TF, KTY Temperature control
FL Forced cooling
IG, SG Encoder
BR.. Brake
BBR.. Double brake
BRH.. Brake with manual release
BRHA.. Brake with manual release and locking device
KKM, RSM Back stop
U, UW Unventilated
KB Drain
SH Anti condensation heating
K1, K2 Climatic protection
MIP, MIG Terminal box design
SD Protection cap
HR Hand wheel
ZM Metal fan
ZL Fly wheel fan
ZWM, ZWV Second shaft end

WG20 Geared Motors | E-7
4. Transport
After delivery, the unit must be inspected for any damage that may have occurred during transport. In case of damage do
not put the motor into operation.
Helical geared motors C
1
<60°
12
Gear size Motor size Load handling
C00
C01 all No equipment for load handling provided -
C03
C05
C06
63 - 71 No equipment for
load handling provided -
80 - 90 Lifting eye on the gearbox 1
100 - 132
Lifting eye on the gearbox
+ eye bolt on motor
(max. angle of 60° between
the ropes)
2
C07
C08
63 - 90 Lifting eye on the gearbox 1
100 - 180
Lifting eye on the gearbox
+ eye bolt on motor
(max. angle of 60° between
the ropes)
2
Parallel shaft geared motors F
1
<60°
2
Gear size Motor size Load handling
F02 all No equipment for
load handling provided -
F03
F04
F05
63 - 71 No equipment for
load handling provided -
80 - 90 Support hole 1
100 - 132
Support hole + eye bolt on
motor (max. angle of 60°
between the ropes)
2
F06
F07
63 - 90 Support hole 1
100 - 160
Support hole + eye bolt on
motor (max. angle of 60°
between the ropes)
2
ATTENTION!
To lift the geared motors, you have to use the following load handling equipment:

E-8 | WG20 Geared Motors
5. Storage
General:
The following items must be taken into account when storing the gear units:
■In general, the drive units must be stored in closed rooms.
■Ambient temperature max. 25°C (77°F)
■Relative humidity max. 80 %
■The drive units are to be protected from exposure to the sun or UV light.
■No aggressive or corrosive materials are to be stored in the vicinity of the unit.
■The gear units are to be stored in the same position that is intended for a later use.
■The gear units are to be rotated 1-2 revolutions on the output side every 6 months to ensure that the interior parts are
wetted with lubricant.
■The units are to be protected from mechanical loads and exposure to outside forces.
Long-term storage:
■When the gear units are to be stored for longer than 12 months, they must be completely lled with lubricant as stated
on the nameplate or lubricant plate.
■Unnished, bare-metal parts on the outside of the unit are to be protected with a corrosion protection product
(inspection every 6 months is recommended). The corrosion protection must be replaced after one year.
■Before starting the gear unit, drain the lubricant from it. If more than one lubricant chamber is present, make certain that
all of the lubricant chambers have been drained out.
■Gaskets settle, especially after a longer period without loading. Before starting, the screws must be retightened.
■Then ll the gear unit with the lubricant type specied on the nameplate using the specied quantity.
■If the gear units are stored for longer than 24 months before being put into service, they must be checked for leaks.
If there are any visible cracks on the surfaces of sealing elements, such parts must be replaced.
Helical bevel geared motors K
<60°
1
2
Gear size Motor size Load handling
K02 all No equipment for load
handling provided -
K03
K04
K05
63 - 71 No equipment for load
handling provided -
80 - 90 Lifting eye on the gearbox 1
100 - 132
Lifting eye on the gearbox
+ eye bolt on motor
(max. angle of 60° between
the ropes)
2
<60°
12
K06
K07
63 - 90 Lifting eye on the gearbox 1
100 - 160
Lifting eye on the gearbox
+ eye bolt on motor
(max. angle of 60° between
the ropes)
2

WG20 Geared Motors | E-9
6. Gear unit construction
The following drawings basically show the construction of the various dry series in theory. Deviations from other gear unit
sizes and design versions are possible per gear unit series.
Legend for the construction drawings:
Position Description Position Description
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
01
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
02
03
03
03
03
03
03
03
03
03
03
00
01
02
03
04
05
06
08
09
20
21
22
23
24
25
26
27
29
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
20
00
01
02
03
04
05
06
07
10
20
Kit Housing
Housing
Gasket
Pin
Gasket
Inspection cover
Inspection cover screws
Plug
Vent plug
Kit Case cover/Motor adapter
Case cover/Motor adapter
Motor gasket
Screws
Screws
Screws
Pin screws
Hexagon nut
Lifting eye/Eye bolt
Kit Output shaft
Output shaft
Bearing 1 (C), 1/2 (F, K)
Bearing 2
Shaft sealing 1 (C), 1/2 (F, K)
Shaft sealing 2
Key
Key
Circlip
Distance sleeve
Bearing cover
Adjusting washer
Shrink disc
Glycodur bush
Shim washer
Shim washer
Circlip 2
Shim washer
Output gear
Kit Intermediate pinion shaft
Intermediate pinion shaft
Bearing 5
Bearing 6
Circlip 1
Circlip 2
Bearing cover
Key
1st stage gear
Bevel pair
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
04
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
11
11
11
00
01
02
03
04
05
06
07
08
09
11
18
19
20
21
22
23
24
25
26
27
28
29
30
31
40
50
00
01
02
10
11
12
13
14
20
21
22
30
31
32
33
40
41
42
43
00
10
11
Kit Output pinion shaft
Output pinion shaft
Bearing 3
Bearing 4
Circlip
Cover
Shim washer
Adjusting washer
Bearing 5
Key
Shim washer
Distance sleeve
Distance sleeve
Kit Bearing carrier
Bearing carrier
Bearing 5/6
Bearing 6
Circlip
Distance sleeve
Screws
Shim washer
Adjusting washer
Circlip
Shim washer
Key
Pinion
Intermediate gear/
1st stage gear
Kit Output ange
Output ange
Screw
Kit Torque arm
Torque arm
Silent block
Bushing
Screws
Kit Rubber buffer set
Rubber buffer
Shim
Kit Shaft cover
Shaft cover
Gasket
Screws
Kit Hollow shaft xing kit
Disc
Circlip
Screw
Motor
Slinger
Key

E-10 | WG20 Geared Motors
6.1. Basic design principles helical gear unit C
Gear sizes C00 to C06

WG20 Geared Motors | E-11
Gear sizes C07 to C08

E-12 | WG20 Geared Motors
6.2. Basic design principles parallel shaft gear unit F
Gear sizes F02 to F05

WG20 Geared Motors | E-13
Gear sizes F06 to F07

E-14 | WG20 Geared Motors
6.3. Basic design principles helical bevel gear unit K
Gear sizes K02 to K05

WG20 Geared Motors | E-15
Gear sizes K06 to K07

E-16 | WG20 Geared Motors
7. Mechanical installation
7.1. Preparatory work gear unit
7.1.1.Inspecting the gear unit
7.1.2.Mounting position
7.1.3.Torque support by means of rubber buffer
7.1.4.Painting the gear unit
7.1.5.Housing surface temperature
7.2. Preparatory work motor
7.2.1.Terminal box
The gear unit must not be put into operation unless:
■no damage caused, for example, by storage or transport, is apparent.
■in particular, the shaft seals, cover caps, and guard hoods are not damaged.
■no leaks or loss of oil are visible.
■no corrosion or other indication of improper storage or storage under damp conditions is present.
■all of the packaging materials were removed.
■oil drain plugs and vent plugs must be fully accessible!
As a general rule, drive shafts and ange surfaces must have all corrosion protection products and dirt cleaned from them,
standard commercial solvents can be used.
The gear unit may only be operated in the specied mounting position, which may be found on the nameplate. The moun-
ting position must not be changed during operation.
Every Urelast spring must be mounted with a pre-stressing of 2 mm (F02, F03) or 3 mm (F04, F05, F06, F07).
If the gear unit will be painted or partially repainted, make certain that the vent plug and the shaft seals are carefully mas-
ked. Remove the masking tape after the painting work is completed.
In order to prevent excessive heating of the gear unit, the following must be observed:
■Sufcient clearance must be provided around the gear unit.
■The cooling air for gear unit motors must be able to ow unhindered around the gear unit.
■The gear unit must not be completely boxed in with a housing.
■The gear units must not be exposed to hot exhaust air from other units.
No heat must be transferred into the gear unit.
It must be ensured that there are no foreign bodies, dirt or moisture in the terminal box. Open entries are to be sealed
with an O ring or a suitable at gasket so that dust and water cannot enter, whereas the terminal box itself is to be sealed
against dust and water with the original seal.
It must be ensured that the terminal box, terminal board and cable connections etc. inside the terminal box are not dam-
aged!
ATTENTION!
The sealing lips on the shaft seals must not be allowed to come in contact with the solvent!
Material can be damaged!
WARNING!
The terminal box must be sealed so that dust and water cannot enter!

WG20 Geared Motors | E-17
The sealing lips on the shaft seals must not be allowed to come in contact with the solvent!
Material can be damaged!
7.2.2.Checking the insulation resistance
7.2.3.Connecting the ground conductor
The insulation resistance needs to be checked prior to start-up and again after any extended periods of storage or periods
during which the equipment is not in operation!
Before you begin measuring the insulation resistance, please read the manual for the insulation resistance meter you are
going to use. Any cables of the main circuit, which are already connected, should be disconnected from the terminals in
order to carry out the insulation measurements.
Where possible, measure the minimum insulation resistance of the winding to the motor enclosure when the winding tem-
perature is between +20°C and +30°C. For other temperatures, different values apply to the insulation resistance. When
taking the measurement, you must wait until the nal resistance value is reached (approximately 1 minute).
If the critical insulation resistance is less than or equal to this value, the windings must be dried or, if the fan is
removed, cleaned thoroughly and dried. Note that the insulation resistance of dried, clean windings is lower than
that of warm windings. The insulation resistance can only be properly assessed after conversion to the reference
temperature of +25 °C. If the measured value is close to the critical value, you must subsequently check the insula-
tion resistance at appropriately frequent intervals.
The following Table 1 indicates the measuring circuit voltage together with the minimum insulation resistance and the
critical insulation resistance. Values apply at a winding temperature of +25°C.
Also note the following points:
■When measuring at winding temperatures other than +25°C, the measured value must be converted to the reference
temperature of +25°C. The insulation resistance is reduced by a factor of a half for every 10 K increase in temperature,
and it is increased by a factor of two for every 10 K decrease in temperature.
■ New, dry windings have an insulation resistance of between 100 and 2,000 MΩ, or even higher values in some cases. If
the insulation resistance is close to or below the minimum value, the cause could be humidity and/or dirt accumulation.
The windings must then be dried.
■During operation, the insulation resistance of the windings can fall to the critical insulation resistance due to ambient
and operational inuences. Depending on the rated voltage, the critical insulation resistance for a +25 °C winding
temperature can be calculated by multiplying the rated voltage (kV) by the specic critical resistance value (0.5 MΩ/kV);
e.g. critical resistance for a rated voltage (UN) 690 V: 1000 V x 0.5 MΩ/kV = 0.345 MΩ
The grounding has to be connected in the terminal box at the place intended for this purpose and marked accordingly.
The cross-section of the ground conductor of the machine must comply with the regulations for electrical installations, e.g.
DIN EN IEC 60204-1.
During the measurement, and immediately afterwards, some of the terminals are at hazardous voltage levels and
must not be touched. Carry out a check with the power cables connected that no voltage can be applied.
Rated voltage
Urated < 2 kV
Measuring circuit voltage 500 V
Minimum insulation resistance with new, cleaned or repaired windings 10 MΩ
Critical specic insulation resistance after a long operating time 0.5 MΩ/kV
WARNING!
ATTENTION!
Table 1: Insulation resistance

E-18 | WG20 Geared Motors
7.3. Setting up the gear unit / geared motor
7.3.1.Gear unit ventilation
Minimum surface area „S“
of phase conductor (L1, L2, L3)
Minimum surface area
of corresponding ground connection
mm² mm²
S ≤ 16 S
16 < S ≤ 35 16
S > 35 0.5 x S
■When installing please ensure that the unit is not exposed to any shocks or vibrations in order to avoid noise during
operation.
■The mounting surface should be even and torsionally rigid.
■Distortion of the gear case should also be avoided.
■Reduce reaction torque with a torque arm or a rubber buffer kit (no rigid joints).
■Input and output elements have to be equipped with a contact protection.
■When installing the motor, ensure that the intake is not obstructed and air can circulate freely. Do not remove the fan
blade or cowl, or enclose the motor with a casing because in both cases, there would not be enough air for cooling and
the motor could overheat.
Gear unit with vent plug:
Oil drain plugs and vent plugs must be fully accessible!
The vent plug with transport locking device is installed at the proper position for the mounting position.
Following gear unit sizes are equipped with a vent plug:
■C07, C08
■F06, F07
■K06, K07
Activating the vent valve:
The vent valve is to be activated before the unit is put into operation by completely demounting the transport
protection (rubber clip) as described below.
Remove the rubber clip completely before start-up!
ATTENTION!
Figure 1: Information label (red) on the gear unit
Table 2: Minimum surface area
Please note the following when connecting-up:
■The contact surface must be clean and bright, and protected with a suitable anti-corrosion agent, e. g. acid-free Vaseline.

WG20 Geared Motors | E-19
7.3.2.Geared motor with backstop
7.3.3.Gear unit with solid shaft
7.3.4.Installation and demounting of hollow-shaft gear units
The backstop allows the operating in only one rotating direction. The free rotating direction is marked with a rotating direc-
tion arrow at the output of the gear or on the ventilation cover of the motor.
A start-up of the motor with full power consumption against the locking direction of the gear will lead to destruction
or damage of the backstop.
The free rotating direction has to be checked before the start-up.
Geared motor with a backstop at the motor:
Using gears with backstop, the rotating direction of the e-motor and the mains are to be detected with a meter. Mind the
rotating direction arrow on the housing! On motors, which are winded 400/690 Volt, the rotating direction can be detected
through a short-time start-up in star connection.
The output shafts are manufactured with a diameter of 50 mm in ISO k6 tolerance class and beginning at a diameter 55
mm in ISO m6 tolerance class.
All output shafts are equipped with DIN 332 tapped centre holes that are used to tighten the transfer elements.
All output shafts are provided with a corrosion protection product upon delivery. This product must be removed with a
conventional solvent.
■The solvent must not be allowed to come into contact with the shaft seals!
■Make certain to prevent all impacts and mechanical shocks on the end of the shaft since the output bearing
system can be damaged.
■Mechanical drive elements that apply radial forces to the output shaft must be installed as close as possible to the
output shaft bearings!
■Add-on power transfer elements should balance and must not cause any unacceptable radial or axial forces
(see Catalogue for acceptable values).
Concerning the design of the customer’s shaft please mind the construction references in the latest geared motor
catalogue.
Assembling: (see Figure 2 and Figure 3)
The hollow-shaft gear units must always be installed in such a way that no axial forces are applied to the output shaft
bearing system.
1. Check the machine shaft (3) on possible damages like e.g. notches or upsettings.
2. Clean the customer’s machine shaft (3) thoroughly before the mounting.
ATTENTION!
ATTENTION!
ATTENTION!
Gear drives lacking a vent plug:
Sealed-design gear drives are supplied without a vent plug.
This applies to the following gear unit types:
■C00, C01, C03, C05, C06
■F02, F03, F04, F05
■K02, K03, K04, K05

E-20 | WG20 Geared Motors
2
3
1
6
5
4
(1) Threaded rod + hex nut
(2) Thrust washer
(3) Customer-side machine shaft
(4) Retaining screw DIN6912
(5) Tension disc
(6) Circlip DIN472
Parts (4), (5) and (6) are included in the optional xing kit GMBSBSD.
Demounting:
1. Loosen the xing bolt (4). Remove the complete xing set and, if existing, the distance tube.
2. Put the pressure disc (11), jack nut (10) and circlip (6) into the hollow shaft.
3. Screw in the xing bolt (9). Through tightening of the screw you are pressing the gear off the machine shaft (3).
3 8111069
(3) Customer's shaft with tapped centre hole as per DIN332, sh.1
(6) Circlip DIN 472
(8) Hollow shaft
(9) RetainingscrewDIN933(tocustomerspecication,lengthaccordingtomachineshaftlength)
(10) Jack nut
(11) Thrust washer
Figure 2: Tightening the customer shaft Figure 3: Mounting the customer shaft using a mounting set
Figure 4: Demounting the customer shaft with or without contact shoulder
3. Before tightening the hollow-shaft gear unit onto the machine shaft, paint the surface of the machine shaft with lubrica-
ting paste (3) such as Klüber Paste 46MR401.
4. Mount the drive onto the machine shaft (4, 5). An additional distance tube is required for a customer’s shaft without
contact shoulder.
5. Implement the optionally obtainable xing set into the hollow shaft and secure the customer’s shaft axial with the
locking bolt (4). Screw tightening torque see Table 5 on page E-38.