once a year
once a year
once a year
once a year
Änderungen vorbehalten!
Subject to change without notice!
Overspeed Governor
OL35E-NA
Operating instructions
Blatt/
sheet PM.7.002374.019
Datum/
date
08.04.2011
Stand/
version D-20.08.2018
Geprüft/
approved WAT/MZE
5
Maintenance, inspection and repair
5.1
Maintenance and inspection
The overspeed governor OL35E-NA is mainte-
nance-free, subject to elevator-specifically normal
operation within its wear limits.
Inspection checks must be carried out at regular
intervals to guarantee safe operation.
Alterations, damage or other irregularities should
be reported, and repaired if possible. Frequent
servicing and control checks not only make opera-
tion of the installation safer, but also ensure long
and reliable service life. It is recommended that
control checks and servicing be carried out before
legally prescribed functional tests (e.g. before TÜV
tests).
The lift must be out of service before you
can start with maintenance checks where
the safety cover must be removed.
The table below shows the standard mandatory
tests and intervalls.
5.2
Recommended checking periods
The lift installation must be immediately
taken out of use should any damage or
irregularities arise which could possibly
impair operational safety.
The checks and tests mentioned below are
the minimum required checks to ensure
product safety. The required checks to
adhere national laws or requlation can dif-
fer from the shown table and have to be
fullfilled.
Maintenance work should be expertly car-
ried out with utmost care in order to guar-
antee safe installation operation.
Pleasecontact us at WITTUR if you have
any problems or queries.
With the consent of Wittur, the test proce-
dure and intervals can be changed.
Chapter
Acceptance
test
Mandatory periodical tests
OL35E-NA
Check of the mechanical tripping (TS)
Check of the electrical tripping (CS)
Check of the tripping speed (CS/TS)
4
4
4
x
x
x
every second year
every second year
every second year
Cleaning
Condition of the flyweights and springs
Operation of the overspeed contact
Condition of the pulley (main) bearings
Mechanical tripping test
Tripping speed test
Brake force (pull through force)
5.3
5.3
5.3
5.3
4
5.4
5.4
Wear of the rope groove
5.3
every second year
After every operation (tripping) a visual check of the governor, the rope and the connection to the
safety gear syncronisation as well as a check of the flyweights (see 5.3.2/5.3.3) has to be performed.
If any damage is recognized the product has to be changed.
D
