Title:
DRAIN HOSE CLEANING METHOD FOR HYDRAULIC ELEVATOR
Document Type and Number:
Japanese Patent JPH11301951
Kind Code:
A
Abstract:
To facilitate the cleaning of a drain hose and to facilitate the treatment of cleaning solvent after the cleaning.
A car is stopped in a specified position lower than a gland section and, after a cleaning solvent recovery container 13 is connected to the end of a drain hose 6 removed from the inside of the hydraulic oil tank of a hydraulic power unit, in a state where the end of the drain hose 6 removed from the gland section is connected to a portable tank 11 storing cleaning solvent, the drain hose 6 is cleaned by using a clearing solvent pump 12 to feed the cleaning solvent in the portable tank 11 by pressure.
Inventors:
SHOJI HIROSHI
Application Number:
JP10806198A
Publication Date:
November 02, 1999
Filing Date:
April 17, 1998
Export Citation:
Assignee:
HITACHI BUILDING SYS CO LTD
International Classes:
B08B9/027; B66B5/00; B66B9/04; (IPC1-7): B66B9/04; B08B9/06; B66B5/00
Attorney, Agent or Firm:
Kenjiro Take (2 outside)