Table of Contents
Advertisement
Quick Links
Henning GmbH & Co. KG
Loher Str. 4
58332 Schwelm
Germany
Operating Instructions for Elevator Buffers type LP
1
Scope of application
The Elevator Buffer type LP is an energy dissipation type buffer according to EN 81-1/2, EN 81-20, EN
81-50 5.5 and therefore can be universally used for all applications in the construction of elevators. The
EC type examination permits the use in passenger and freight elevators both under the elevator car and
under the counter weight.
2
Functional description
Fig. 1a: Buffer with Protection Tube
Operating Instructions Elevator Buffers LP
fon: +49 2336 92 98-0
fax: +49 2336 92 98-100
info@henning-gmbh.de
www.henning-gmbh.de
www.henning-cnc.de
Fig. 1b: Buffer with Linear Slide
Page 1
Edition 3.3.1 EN of 03.04.2017
Advertisement
Table of Contents
Summary of Contents for HENNING LP
- Page 1 Operating Instructions for Elevator Buffers type LP Scope of application The Elevator Buffer type LP is an energy dissipation type buffer according to EN 81-1/2, EN 81-20, EN 81-50 5.5 and therefore can be universally used for all applications in the construction of elevators. The EC type examination permits the use in passenger and freight elevators both under the elevator car and under the counter weight.
-
Page 2: General Instructions
An en- hanced EC type examination is also provided. The buffer can be supplied in a special design filled with a special hydraulic oil for low ambient Operating Instructions Elevator Buffers LP Page 2 Edition 3.3.1 EN of 03.04.2017... -
Page 3: Safety Instruction
Verify the size of the remaining lower refuge. For In case of dissenting operation conditions, an entirely pressed-in elevator car buffer a suffi- please contact Henning GmbH & Co KG. ciently dimensioned refuge must be provided below the elevator car in compliance with the respective code. -
Page 4: Dangerous Voltage
The visible part of the piston rod is as long The limit switch 13 is not actuated. as the respective stroke (see indication on • the type plate). Operating Instructions Elevator Buffers LP Page 4 Edition 3.3.1 EN of 03.04.2017... - Page 5 Oil level check The elevator buffers series LP are equipped with a sight glass as an oil indicator. Therefore, the buffer does not need to be opened for the oil level check! This inspection should only be car- ried out with fully extended piston rod (see a/m point 7.1).
-
Page 6: Maintenance
Maintenance Under normal operating conditions the elevator Every time, safety measures must be taken buffer LP does not require maintenance. How- against unintentional setting in motion of the ever, if during the a/m checks defects are de- elevator! tected, these can be removed as described in the following. - Page 7 Fill the buffer with nitrogen gas, filling tightness. pressure 5 bar. The filling pressure must not be exceeded. Replace the valve cap. • • The piston rod should now be fully ex- tended. Operating Instructions Elevator Buffers LP Page 7 Edition 3.3.1 EN of 03.04.2017...
- Page 8 For this pur- er should be changed immediately. pose Henning offers a repair/exchange service for buffers. In the case of small leaks the buffer may remain in use.
- Page 9 Service For ordering replacement parts, please, contact The following buffer-specific data is always re- our Service Department. quired: Henning GmbH & Co KG offers elevator buffers • Buffer type as repair/ exchange. These buffers can be sup- Serial number •...
-
Page 10: Technical Data
500 - 4500 61,1 LP 50 x 950 500 - 4500 83,5 Dimensions Type LP 40 with protection tube: All dimensions in mm. All data subject to modifications! Operating Instructions Elevator Buffers LP Page 10 Edition 3.3.1 EN of 03.04.2017... - Page 11 -20 °C up to +40 °C c) Special designs with biodegradable or flame-retardant hydraulic fluids (on request): Various special fluids are tested for the hydraulic buffer LP and released for use. Please note the special marking of the buffer and the additional...
Need help?
Do you have a question about the LP and is the answer not in the manual?
Questions and answers