Checking Hoisting Solenoids And Security Bolts; Checking The Plug Connections; Checking The Filter Mats; Checking The Cable And Screw Terminals - Siemens SINAMICS SH150 Operating Instructions & Installation Instructions

9.4.3.3

Checking hoisting solenoids and security bolts

● Check the hoisting solenoids and security bolts at regular intervals.
● Replace defective hoisting solenoids and security bolts before (re)commissioning.
9.4.3.4

Checking the plug connections.

Regularly check the plug connections to ensure they are seated correctly and the contacts are
not corroded.
Note
The fiber-optic cables for the gating boards must be properly inserted in the connectors.
9.4.3.5

Checking the filter mats

● Check the air filters in the cabinet doors for pollution.
● Clean the filter mats or replace them if the air flow is obstructed.
See also
Cleaning (Page 97)
9.4.3.6

Checking the cable and screw terminals

● Check the cable and screw terminals regularly to ensure that they are secure.
● Tighten the screws if necessary. When doing this, comply with the specified torques
● Check the cabling for defects.
● Replace any defective parts immediately.
9.4.3.7

Inspecting door limit switches

● Inspect the door limit switches regularly for contamination and corrosion.
● Also verify that the the door limit switches function correctly at regular intervals.
SINAMICS SH150 6SL3805
Operating Instructions 05/2020
(Page 99).
Maintenance
9.4 Preventive maintenance
93