WITTUR CSGB-01 User manual

Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Progressive Type Safety Gear
CSGB-01 / 02
PM.7.002505.EN 02.2018
Blatt/ëÜÉÉí PM.7.002505.EN.001
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå cJOPKMNKOMNU
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved
Product manufacturer reference can be found on the product type label.
or any support or further questions please contact your trading office.
Änderungen vorbehalten! Subject to change without notice!
No part of this publication may be reproduced or translated, even in part, without prior written permission from WITTUR. We reserve the right to make alterations with respect to the specifications and
figures in this manual. Original operating instruction language is english.
www.wittur.com
Original Instruction
CSGB-01
CSGB-02

`çåíÉåí m~ÖÉ
1 General nformat on pr or to nstallat on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .003
1.1 Description and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .003
1.2 Liability and guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .004
1.3 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .004
1.4 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .005
1.5 Advice for when working on safety components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .005
1.6 Content of supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .006
2 Name plate, des gnat on, dent f cat on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .007
3 Installat on and adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .008
3.1 astening of the safety gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .008
3.2 Movement of the safety gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .008
3.3 Alignment of the safety gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .009
3.4 Safety gear linkage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .009
3.5 Mounting to the car frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .010
3.6 Gripping wedge synchronization and adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .011
4 Funct on test ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .012
4.1 Static functions test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .013
4.2 Dynamic functions test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .014
4.2.1 Gripping test for car safety gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .014
4.2.2 Gripping test for counterweight safety gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .015
4.2.3 Checking safety gear, car and counterweight and returning the elevator to normal
drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .016
4.2.4 Visual checks after a safety gear test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .016
4.3 Braking mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .017
4.3.1 Measuring of braking mark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .017
4.3.2 Check of braking mark “s” . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .017
4.3.3 Tolerated gripping distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .018
5 Ma ntenance, nspect on, repa r and d sposal of waste . . . . . . . . . . . . . . . . . . . .021
5.1 Maintenance and inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .021
5.1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .022
5.1.2 Maintenance and inspection check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .022
5.1.3 Cleaning of guide rails . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .022
5.2 Periodical tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .022
5.3 Operational life time of the safety gears . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .023
5.4 Carrying out repairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .023
5.5 Disposal of waste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .024
5.6 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .025
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.002
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå `JMSKNNKOMNR
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved

1.1 Description and functions
CSGB-01/02 is a combination of disk springs and
braking elements, which are activated by a mova-
ble tripping wedge. The braking force is adjusta-
ble by the disk spring assembly. There is always a
pair of safety gears used.
The basic function of the safety gear is, if the lift
car exceeds its nominal speed upon descent, the
overspeed governor cuts in when its tripping speed
is reached and triggers the safety gear on the lift
car via the governor rope. The lift car is brought to
a standstill and clamps onto the guide rails.
The setting is carried out in the factory (according
to the load and rail conditions) and sealed. Later
adjustments will not be necessary and are in any
case prohibited for safety reasons.
The progressive safety gear is released by lifting
the car or counterweight. This returns the clamped
tripping wedge to its initial positions.
The operating range is defined as follows:
*) or lifts according EN81: +5...+40°C, General
temperature range if no tighter range is stated in
the local valid code: -5...+55°C
Care must be taken that there is no ice on
the guide rails during normal run!
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
1 General information prior to installation
Blatt/ëÜÉÉí PM.7.002505.EN.003
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå cJOPKMNKOMNU
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved
1. Tripping wedge
2. Brake lining
3. ixing for lifting lever
4. Disk spring assembly
5. Adjustment screw
6. Split spin
7. Block
8. Seal (sealing wax)
A Normal position of the fixing for lifting lever
B Gripping position of the fixing for lifting lever
Type
max. tripping speed
[Vmax]
(Guide rail)
min. Mass to be
gripped [ min]
max. Mass to be
gripped [ max]
CSGB-01 CSGB-02
2,37 m/s
(drawn)
-
(drawn)
2,63 m/s
(machined)
3,55 m/s
(machined)
575 kg 1.130 kg
2.700 kg 3.500 kg
Width of guide rail
head [k]
Temperature during
operation
9 / 10 / 15,88 / 16mm
-5 ... +55°C *)
Temperature during
storage
max. Air humidity
-40 ... +70°C
95% / +25°C
93% / +40°C

1.2 Liability and guarantee
This instruction handbook is written for people
who are familiar with lift servicing and installa-
tion. Sufficient knowledge of lifts is essential.
WITTUR does not take responsibility for damage
caused by improper handling, or for damage
caused as a result of actions other than those stat-
ed in these operating instructions.
The WITTUR guarantee may be voided if parts
other than those described in these instructions
are installed.
Unless stated otherwise, the following is not per-
missible due to technical safety reasons:
• The use of components other than those
installed
• Carrying out modifications, of any kind on the
safety gear
• Installing two different brake heads with dif-
ferent index numbers together
• Destruction of the seal
If the seal is shacked, the complete
set of safety gears has to be replaced.
• Combining different component types
• Installing progressive safety gears intended for
other employment than that stipulated
• Carrying out faulty or improper maintenance
or inspection checks
• Using unsuitable accessories, spare parts or
operating material which has neither been re-
leased by the WITTUR Company nor consists of
original WITTUR spare parts
1.3 Safety precautions
Installers and servicing personnel are fundamen-
tally responsible for their safety while working.
The monitoring and following of all valid safety
rules and legal conditions is required in order to
prevent personal injury and damage to materials
during installation, maintenance and repair work.
This refers especially to the corresponding accident
prevention rules.
Important safety advice and danger warnings are
emphasized with the following symbols:
General danger warning
High danger risk warning (i.e. crushing
edge, cutting edge etc.).
Risk of damage to machinery parts (i.e. due
to incorrect installation, or such like).
Important information sign
These operating instructions belong with the
whole installation and must be kept in a safe place
at all times (i.e. machine room).
The proper assembly and installation of WITTUR
safety gears requires correspondingly well trained
fitting engineers. The responsibility of training lies
with the company appointed to carry out the
work.
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.004
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå 26.07.2012
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved

Before starting installation work:
Only properly trained personnel may carry
out work, or be allowed access to the
installation site.
- Attach safety devices to guard against falling
(platform or harnesses)
- Cover any floor openings
- Secure installation tools or objects against
accidental falling
- Lift shaft openings should be cordoned off
and suitable warning signs should be erected
when working in shaft openings
- Work involving electrical equipment should
only be carried out by an electrical engineer or
qualified personnel.
1.4 Preparation
Before beginning installation work it is in your
own interest to ascertain the constructional and
spatial conditions. Where (workshop or on site)
and when which installation operations can or
must be carried out. It is therefore recommended
to take all the given circumstances into account
and to plan the various operational sequences in
advance, rather than carrying them out prema-
turely and in an unconsidered manner.
On the receipt of the delivery, the goods or com-
ponents should be checked for correctness and
completeness with the order sheet.
The following should be checked also:
- the factory and order number must correspond
- the details on the name plate must correspond
to those on the order
- the elevator speed
- the width and type of guide rail used
- the total load (mass to be gripped)
1.5 Advice for when working on
safety components
Safety gears are classified as safety components. It
is most important that the standards and guide-
lines described in this section are complied with as
well as those given in the rest of this operating
manual.
These instructions, and especially the sec-
tion on safety precautions, should be read
and fully understood before work begins.
Safety devices require special attention. It is com-
pulsory that they function perfectly to ensure
danger free installation operation.
Safety devices that can only be adjusted after
installation should be done so immediately after
installation.
Operation of safety devices installed ex-works
must be tested immediately.
If it is necessary to disassemble a safety device
during servicing or repair, they should be reassem-
bled and checked with the required tests, as soon
as the work has been carried out.
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.005
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå 26.07.2012
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved

1.6 Content of supply
After delivery, check the safety gear for damage
and for full delivery of parts. The content of sup-
ply covers:
- Operating instructions manual
- One left handed and one right handed safety
gear (pre-adjusted and sealed at the factory)
- ixing material
Optional:
- Housing (preassembled)
- Safety switch
- Synchronization
- Rope hitch
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.006
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå `JMSKNNKOMNR
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved
4 bushings
4 fixing screws
Safety switch
Rope hitch
Synchronization
Housing

The safety gear identification indicators are
located on the safety gear.
The data on the name plate must be com-
pared with ordering and the project docu-
ments.
The name plate gives following data:
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
2 Name plate, designation, identification
Blatt/ëÜÉÉí PM.7.002505.EN.007
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå aJMTKMQKOMNS
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved
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9
Tripping speed
Vmax (m/s)
Mass to be gripped
max (kg)
Serial number
Order number /
Elevator number
Type
Date of manufacture
Guide rail head width
k (mm)
Guide rail conditions
Type A (drawn)
Type B (machined)
oiled/ dry
CE- Type-examination number
WITTUR manufacturing base no.
(see declaration of conformity)

3.1 Fastening of the safety gear
To fasten the safety gear the in the delivery inclu-
ded srews and bushings must be used. If this is not
the case, note the following criterias:
If the screws are too short (thread engage-
ment <11mm) a secure fixing of the safety
gear isn’t guaranteed.
If the screws are too long (thread engage-
ment >13mm) the proper function of the
safety gear isn’t guaranteed.
Shim washers can be used to adjust the
thread engagement.
3.2 Movement of the safety gear
The safety gear must be able to move hori-
zontally.
Therefore the delivered bushings must be used.
Use this bushings (1) to fix the safety gear (2) on a
fixing plate (3)*) in slotted holes (4).
So the safety gear can be screwed with the fixing
screws and the safety gear can still move horizon-
tally.
Additional the safety gear must be held in position
with a spring*) (force at installation length 66N,
spring rate 2N/mm) and a variable adjustable stop
collar (6) must be in the opposite side.
*) not in the standard content of supply (with
optional housing included in delivery)

Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
3 Installation and adjustment
Blatt/ëÜÉÉí PM.7.002505.EN.008
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå ^JMOKMRKOMNP
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved

) 1
5 1PP






Observe tightening torque!
Screw M12: 80 Nm

Progress ve Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.009
Datum/Ç~íÉ 26.07.2012
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© WITTUR – All rights reserved
3.3 Alignment of the safety gear
The safety gear has to be well aligned in accor-
dance to the guide rail.
The alignments have to be done inplicit-
ly, otherwise the following mailfunctio-
ning may happen:
•unintended gripping of the gripping
wedge
•brake force performance impaired
3.4 Safety gear l nkage
The maximum activating force of the overspeed
govrnor GOVmax is 2100N if A≤B/2.
If governor force is >2100N or A>B/2 a
synchronisation with force limiter must be
used.
©
ú
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©
©



Progress ve Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.010
Datum/Ç~íÉ 10.07.2012
Stand/îÉêëáçå B-20.05.2015
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© WITTUR – All rights reserved
3.5 Mounting to the car frame
1) ix first safety gear housing to the car frame
2) Shove synchronization tube into the
activation shaft (do not tighten the screws)
3) ix second safety gear housing to the car frame
4) Slide synchronization tube into both
activation shafts (left and right)
5) ix synchronisazion tube

Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.011
Datum/Ç~íÉ 26.07.2012
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© WITTUR – All rights reserved
3.6 Gripping wedge synchronization
and adjustment
After installation of the car frame and the guides,
the correct centering and adjustment of the safe-
ty gear in accordance to the rails has to be done.
When mounting the safety gear, observe
the position of the overspeed governor
rope. The position of the lifting lever of the
rope at the safety gear cannot be changed
if the safety gear is built-in.
(1) Check that the tripping wedge is in the normal
position (10).
If necessary readjust by use of the screw (11)
on the opposite side of the governor rope
hitch.
If necessary adjust the synchronization in
accordance with the instructions for the
car frame or the counter weight safety
gear.
The adjustment screws of the synchro-
nization must be easily accessible.
(2) Activate the synchronization by hand and
check that both safety gears are activated at
the same time.
(3) Check the horizontal movement of the safety
gear to be sure that the brake lining is able to
access the guide rail when the safety gear is
activated.
(4) Check the horizontal adjustment of the safety
gear.



(1-3)
y
x
(4)
(x)
2,5 +/-0,5
x
4 +/-2
y
CSGB-01
4 +/-0,5
8 +0/-2
CSGB-02

Based on the proper installation of the elevator in
compliance with all regulations, it can be assumed
that the functionality of the system is guaranteed.
Quality and function of the individual components
are subject to strict controls and are tested before
factory shipment. Prior to the initial acceptance
and perhaps even prior to TÜV tests a functional
review of the safety gear system should be per-
formed.
First test run after installation
Before the first test run:
The protective coating of grease is to be
carefully removed from the guide rails!
Clean the guide rails!
The cleaning of the guide rail must be
done with a disc brake cleaner or a similar
fluid e.g. De-Solv-It 1000 degreaser,.... . It
is important that the cleaning agent does
not leave any residue on the guide rail. It
is also not allowed to do mechanical
cleaning like grinding. If the surface can-
not be cleaned properly contact the man-
ufacturer.
Clear all people and objects from the lift
shaft before commencing the test run
isk of crushing injuries!
The entire lift travel path should be slowly trav-
elled (in inspection mode) before the functions
tests. Attention should be paid to the clearance of
all fastened parts, especially with regards to the
guide brackets/safety gear devices. ind and
remove any protruding bolts or other dangerous
restrictions well in advance.
Preparations before tests:
When sliding guides shoes are used, clean
the installation (the sliding guide shoes
too) and if necessary also the safety gear.
Then applie a thin coating of the guide rail
oil to the guide rails or fill the oiler.
When roller guide shoes are used the guide
rail must not be lubricated at all.
The lubrication oil must not include high
pressure additives. (see chapter 5.1.1)
• Check the activating force of the safety gear
synchronization (it should be between 200
and 250 N). This value can be higher if the
travel is over 75m. Calculate the minimum
required force 1as follows:
1= mass of overspeed governor rope x down-
wards acceleration x safety factor (2)
e.g.: 1min = 100kg x 1,5m/s 2 x 2=300N
This is the minimum force which should be
measured on the car frame safety gear
synchronization to prevent unintended
gripping. If the force is less than the
retaining spring of the safety gear syn-
chronization must be adjusted.
The operating force of the optional
WITTUR synchronization is 200N - 250N.
This force can not be adjusted on site.
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
4 Function testing
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• Check the tripping force of the overspeed gov-
ernor GOV:
This force must be at least twice as high as
the force measured on the safety gear syn-
chronization.
e.g.: 1= 300N =>
GOVmin = 2 x 1= 2 x 300 = 600N
The maximum activating force GOVmax of
the overspeed governor rope is 2100N (see
chapter 3.4).
4.1 Static functions test
The function of the safety gear is to be checked
with empty car and at lower speed before the real
safety gear test is performed.
• Activate the safety gear actuating lever (or
the overspeed governor rope as well by means
of the tripping function if available) manually.
At the same time, use the recalldrive to grad-
ually lower the car or counterweight.
• Check if both safety gears worked at the same
time. If not, the safety gear synchronization
must be readjusted.
• After a few centimeters, the car or counter-
weight should be caught by the pair of safety
gears.
• To crosscheck the function of the safety gear,
the ropes have to slip in the traction sheave
when the motor is driven.
• The safety gear contact must respond.
• Release the safety gear by running up the car
or counterweight. Check that the actuating
mechanism and the safety gear contact have
returned to their initial positions.
The dynamic safety gear test can be done
when the function test is shown to be ok.
If there isn’t a correct gripping check the follow-
ing with the elevator data:
• Mass to be gripped
• Tripping speed
• Guide rail dimensions and manufacture
• Guide rail condition (dry or oiled)
• Check the functionallity of the synchronisa-
tion
If the gripping after checking the above
mentioned points is not correct, the safety
gear must be replaced (please contact WIT-
TUR).
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.013
Datum/Ç~íÉ 26.07.2012
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© WITTUR – All rights reserved

4.2 Dynamic functions test
Nobody should be in the lift car, on the car
roof or in the lift shaft when carrying out
test runs or functions tests!
General notes:
Each gripping test has to be documented and a
copy of the test report should remain in the eleva-
tor book.
After each test or activation of the safety
gear check that there are no defects that
can impair the normal run of the elevator.
Change the safety gear if there is a damage
on it. A visual check is sufficient.
It is recommended to do the test near a
door, to unload the weights and make it
easier to lift up the elevator after testing
the safety gears.
4.2.1 Gripping test for car safety gear
Method A - Gripping test with overload
- 125% of the rated load in the car
- gripping speed = nominal speed or lower
• Secure the counterweight safety gear (if any)
by tying the safety gear lever up. This prevents
unintended gripping of the counterweight
safety gear due to jumping of the counter-
weight.
• Place test weights (equal to 125% of the
rated load) inside the car. Distribute the
weights evenly.
• Drive the car down with nominal or lower
speed, keep the machine brake manually
open. After reaching the test speed activate
the tripping function of the overspeed gover-
nor at the door zone.
• If the car does not stop after 1-2 seconds close
the brake immediately.
• Try to drive the car down to check that the
safety gear has engaged (suspension ropes
should slide on the traction sheave).
Method B - Gripping test with rated load
- 100% of the rated load in the car
- gripping speed = tripping speed of the over-
speed governor
Always ensure that the travelling height is
high enough to keep the car from running
onto the buffer.
Three persons are required for the test. The first-
person keeps the machine brake open. The second
person monitors the speed of the elevator with a
manual tachometer. The third person observes the
distance to the pit. His task is to notify when the
machine brake must be closed if the safety gear-
does not grip within safe distance to the pit. After
switching the power O , if the safety gear does-
not grip within the value of nominal speed +2 sec-
onds close the machine brake. or example, if the
nominal speed is 3m/s the safety gear must grip
within 5 seconds.
• Secure the counterweight safety gear (if any)
by tying the safety gear lever up. This prevents
unintended gripping of the counterweight
safety gear due to jumping of the counter-
weight.
• Place test weights (equal to 100% of the rated
load) inside the car. Distribute the weights
evenly.
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.014
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Stand/îÉêëáçå bJ
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© WITTUR – All rights reserved

Gearless elevator:
• Switch the main power O . Open the machine
brake manually and let the car accelerate to
the tripping speed of the overspeed governor.
The overspeed governor should trip, which will
engage the safety gear and stop the car.
Do not let the car run on the buffer.
Geared elevator:
• Accelerate the car with the hoisting motor to
the nominal speed, keep the machine brake
open manually, switch the main power O
and let the car accelerate to the tripping speed
of the overspeed governor. The overspeed gov-
ernor should trip, safety gear engage and car
stop. If the car does not stop after 1-2 seconds
close the brake immediately.
Do not let the car run on the buffer.
• Try to drive the car down to check that the
safety gear has engaged (suspension ropes
should slip on the traction sheave).
4.2.2 Gripping test for counterweight safety
gear
Always check that the filler weights are
secured in place before the test.
Method C1 - Gripping test with nominal speed
or lower
- empty car
- counterweight frame loaded with required
number of filler weights
- gripping speed = nominal speed or lower
• Secure the car safety gear by tying the safety
gear lever up. This prevents unintended grip-
ping of the car safety gear due to jumping of
the car.
• Drive the counterweight down with nominal
or lower speed and keep the machine brake
manually open.
• After reaching the test speed activate the trip-
ping function of the overspeed governor.
• If the car does not stop after 1-2 seconds close
the brake immediately.
• Try to drive the counterweight down to check
that the safety gear has engaged (suspension
ropes should slide on the traction sheave).
Method C2 - Gripping test with overspeed
- empty car
- counterweight frame loaded with required
number of filler weights
- gripping speed = tripping speed of the over-
speed governor
Always ensure that the travelling height is
high enough to keep the counterweight
from running onto the buffer.
With geared elevators, if the elevator does
not accelerate to the tripping speed of the
overspeed governor, test the safety gear
with nominal speed (according to test
method C1).
• Secure the car safety gear by tying the safety
gear lever up. This prevents unintended grip-
ping of the car safety gear due to jumping of
the car.
Änderungen vorbehalten! Subject to change without notice!
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Datum/Ç~íÉ 26.07.2012
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Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions

Gearless elevator:
• Switch the main power O . Open the machine
brake manually and let the counterweight
accelerate to the tripping speed of the over-
speed governor. The overspeed governor
should trip, which will engage the safety gear
and stop the counterweight.
Do not let the counterweight run onto the
buffer.
Geared elevator:
• Accelerate the counterweight with the hoist-
ing motor to the nominal speed, keep the
machine brake open manually, switch the
main power O and let the counterweight
accelerate to the tripping speed of the over-
speed governor. The overspeed governor
should trip, safety gear engage and counter-
weight stop.
Do not let the counterweight run onto the
buffer.
• Try to drive the counterweight down to check
that the safety gear has engaged (suspension
ropes should slide on the traction sheave).
4.2.3 Checking safety gear, car and counter-
weight and returning the elevator to
normal drive
• Release the safety gear by driving the car or
counterweight up.
max. Force to lift the elevator after gripping:
F = ( 1,3 x Fmax - mcwt ) x g
........... lifting force [N]
max ... mass to be gripped [kg]
mcwt ... mass of counterweight [kg]
g ........... gravity 9,81 [m/s²]
• Remove test weights (if applicable).
• Reset the overspeed governor (if needed).
• Remove temporary securing of the safety gear
(if applicable).
• Check from the gripping marks if left and
right safety gear gripped at almost the same
height.
4.2.4 Visual checks after a safety gear test
• Check that the inclination of the car, car sling
or counterweight frame, in any direction, is
not more than 5% (for example car floor is not
horizontal or car entrance is not parallel with
landing door entrance). A visual check is suffi-
cient.
• Safety gear:
Drive the car to the lowest floor and check
from the pit following items:
- existence of tripping wedge
- existence of brake lining
- visual defects of safety gear parts
- defects on the Synchronisation resp.
governor linkage
- defects on the safety gear housing
• Check that the actuating mechanism and the
safety gear contact have returned to their ini-
tial positions
If there is any defect the safety gear must
be replaced!
After the safety gear test the burrs must be
removed from the guide rails.
If deviations from the permitted limits had
been noticed during safety gear test please
contact us at WITTUR.
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.016
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Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions

4.3 Braking mark
4.3.1 Measuring of braking mark
The braking mark is measured on the side of the
tripping wedge.
If the braking marks didn’t have the same
length on the left and right side, take the
shorter measurement.
The different length between the two
braking marks must be less than 35mm.
As long, as the general appearance of the
scratch patterns on the different sides are
similar, slightly different scratch patterns
on the different sides are acceptable
(caused e.g. by the guide rail surface eve-
ness) if the test is done according manual
and the length of the brake mark is within
the limits.
s = length of the braking mark
4.3.2 Check of brak ng mark “s”
Read the minimum and maximum tolerated brake
distance from the belonging table based on the
weight situation of the lift.
- If the braking distance “s” is within the toler-
ated values, the safety gear is set correctly!
- If the braking distance “s” is out of the toler-
ated values, the safety gear must be replaced
(please contact WITTUR).
Example:
Test method A
Medium Car: P/Q=0,81-1,2
P.....mass of empty car (incl. sling and door)
Q.....rated load
Test speed:
vtest = 1,6 m/s
The braking distance:
s = 25 cm
The table shows that the value for the braking dis-
tance “s” is in the tolerated values - i.e. the brak-
ing mark is OK (the braking distance for vtest = 1,6
m/s is min. 22,4cm and max. 35,7 cm).
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.017
Datum/Ç~íÉ 26.07.2012
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s

4.3.3 Tolerated gripping distances
The following tables are showing the tolerated
gripping distance depending on test method and
tripping speed.
The table contains generic values based on the fol-
lowing assumptions:
• CSGB-0x is the only active braking element
• Rope mass, compensation ropes, pulleys
and motor without mass and inertia
• Mass of empty car / Rated load ratio (P/Q)
between 0,6 and 2
• Balancing (b) between 40 and 50%
It is permissible to use deviating values
when the distributor delivers a calculation
based on the system data to ensure a big-
ger range.
Note that the brake distance can differ from the
calculated values by several parameters:
Additional brake forces as motor brake, shaft effi-
ciency (friction) or motor short circuit can shorten
the gripping distance.
High inertia from pulleys, motor, ropes and com-
pensation means can cause a longer gripping dis-
tance.
Depending on the test method and the position in
the shaft the mass of the empty car / rated load
ratio (P/Q ) and the balancing (b) as well at the
unbalanced rope mass can cause a longer or a
shorter gripping distance.
Therefore it is possible to prove longer or shorter
distances by a calculation including the data from
the actual application.
Intermediate test speed values must be
rounded up and down.
Examples:
Test speed:
vtest = 1,65 m/s
Use vtest = 1,7 m/s in the belonging table.
Test speed:
vtest = 1,64 m/s
Use vtest = 1,6 m/s in the belonging table.
Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.018
Datum/Ç~íÉ 26.07.2012
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© WITTUR – All rights reserved

Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.019
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå cJOPKMNKOMNU
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© WITTUR – All rights reserved
Light Car: P/Q = 0,6-0,8; b=40-50%
vtest Min. Max. Min. Max. Min. Max.
(m/s) [cm] [cm] [cm] [cm] [cm] [cm]
0,5 4,5 10,0 4,3 9,4 3,9 9,5
0,6 5,2 11,4 4,8 10,4 4,3 10,5
0,7 6,0 12,9 5,5 11,7 4,8 11,8
0,8 7,0 14,8 6,3 13,1 5,3 13,3
0,9 8,0 16,8 7,1 14,7 5,9 14,9
1,0 9,2 19,1 8,1 16,5 6,6 16,8
1,1 10,5 21,7 9,2 18,5 7,4 18,9
1,2 11,9 24,4 10,3 20,7 8,2 21,1
1,3 13,4 27,5 11,6 23,1 9,2 23,6
1,4 15,1 30,7 13,0 25,7 10,1 26,2
1,5 16,9 34,2 14,5 28,4 11,2 29,1
1,6 18,8 38,0 16,0 31,4 12,3 32,1
1,7 20,9 42,0 17,7 34,5 13,5 35,3
1,8 23,0 46,2 19,5 37,8 14,8 38,8
1,9 25,3 50,7 21,4 41,4 16,1 42,4
2,0 27,7 55,4 23,4 45,1 17,6 46,2
2,1 30,3 60,4 25,5 49,0 19,1 50,2
2,2 32,9 65,6 27,7 53,1 20,6 54,4
2,3 35,7 71,1 30,0 57,4 22,3 58,9
2,4 38,6 76,8 32,4 61,8 24,0 63,5
2,5 41,6 82,7 34,9 66,5 25,8 68,3
2,6 37,5 71,3 27,6 73,3
2,7 40,2 76,4 29,5 78,5
2,8 43,0 81,6 31,5 83,8
2,9 45,9 87,0 33,6 89,4
3,0 48,9 92,7 35,8 95,2
3,1 52,0 98,5 38,0 101,2
3,2 55,2 104,5 40,3 107,4
3,3 58,5 110,7 42,6 113,7
3,4 61,9 117,0 45,1 120,3
3,5 65,4 123,6 47,6 127,1
3,6 69,1 130,4 50,2 134,0
Tolerated brake distance
Method A Method B Method C1/C2
P/Q = Mass of empty car (incl. sling and door) / Rated load .....Ratio
b = Balancing

Progressive Type Safety Gear
CSGB-01 / 02
Operating instructions
Änderungen vorbehalten! Subject to change without notice!
Blatt/ëÜÉÉí PM.7.002505.EN.020
Datum/Ç~íÉ 26.07.2012
Stand/îÉêëáçå cJOPKMNKOMNU
Geprüft/~ééêçîÉÇ WAT/MZE
© WITTUR – All rights reserved
Medium Car: P/Q = 0,81-1,2; b=40-50%
vtest Min. Max. Min. Max. Min. Max.
(m/s) [cm] [cm] [cm] [cm] [cm] [cm]
0,5 4,5 9,8 4,3 9,3 3,9 9,3
0,6 5,2 11,0 4,8 10,3 4,3 10,4
0,7 6,0 12,5 5,5 11,6 4,8 11,6
0,8 6,9 14,2 6,3 12,9 5,3 13,0
0,9 7,9 16,1 7,1 14,5 5,9 14,6
1,0 9,0 18,2 8,1 16,3 6,6 16,4
1,1 10,3 20,5 9,2 18,2 7,4 18,4
1,2 11,7 23,1 10,3 20,4 8,2 20,5
1,3 13,2 25,9 11,6 22,7 9,2 22,9
1,4 14,8 28,9 13,0 25,2 10,1 25,4
1,5 16,6 32,2 14,5 27,9 11,2 28,1
1,6 18,4 35,7 16,0 30,8 12,3 31,0
1,7 20,4 39,3 17,7 33,8 13,5 34,1
1,8 22,5 43,3 19,5 37,1 14,8 37,4
1,9 24,7 47,4 21,4 40,5 16,1 40,9
2,0 27,1 51,8 23,4 44,2 17,6 44,6
2,1 29,6 56,4 25,5 48,0 19,1 48,4
2,2 32,2 61,2 27,7 52,0 20,6 52,4
2,3 34,9 66,2 30,0 56,1 22,3 56,7
2,4 37,7 71,5 32,4 60,5 24,0 61,1
2,5 40,6 76,9 34,9 65,1 25,8 65,7
2,6 37,5 69,8 27,6 70,5
2,7 40,2 74,7 29,5 75,4
2,8 43,0 79,8 31,5 80,6
2,9 45,9 85,1 33,6 86,0
3,0 48,9 90,6 35,8 91,5
3,1 52,0 96,3 38,0 97,2
3,2 55,2 102,1 40,3 103,1
3,3 58,5 108,2 42,6 109,2
3,4 61,9 114,4 45,1 115,5
3,5 65,4 120,8 47,6 122,0
3,6 69,1 127,4 50,2 128,7
Tolerated brake distance
Method A Method B Method C1/C2
P/Q = Mass of empty car (incl. sling and door) / Rated load .....Ratio
b = Balancing