Schindler 3100/3300/6300
J 43402603 / 01
191/269
Copyright © 2017 INVENTIO AG
4.11.2
Buffers P+S
4.11.2.1 Overview
4.11.2.2 Maintenance Task List
Task List
4.11.2.3 Maintenance Checks
General Check on
the installation
Visual Check on the
Buffer Material
WARNING
Contamination of Elastomer Buffers
The performance of buffers made from Diepocell BM deteriorates if contaminated with
aqueous liquids, which in the event of a buffer travel may result in damage to the
installation or injury to elevator passengers.
Replace buffers made from Diepocell BM if,
–
The buffers are contaminated with aqueous liquids, for example after flooding of
the pit with water.
–
A scratch test shows that the buffer material is brittle.
–
The buffer bonding to the baseplate is weakened.
Interval
[Months]
Description
12
General check of buffers
1)
1) This task must be completed after a buffer impact.
12
Visual check
12
Decomposition check by scratch test
-
Buffer replacement due to:
–
Contamination
–
Deterioration
–
Weak bonding between the buffer and the baseplate.
No
Step
1
Check the buffer and its horizontal support (if available) for any damage.
2
Check the buffer stands vertically in the hoistway.
3
Check the bolts are fastened and retightened if necessary.
4
Check the buffer bonding to the baseplate is intact.
No
Step
1
Check the buffer for any visible contamination or deterioration due to contact
with liquids such as detergent, water, oil, etc. If required, replace the buffer(s)
in chapter "Replacement".
