TS 910 TRANSFER SWITCH
PM140 REV 2 14/01/23 17 Thomson Power Systems
9 RECOMMENDED MAINTENANCE
DANGER!!!!
Arc Flash and Shock Hazard. Will cause severe injury or death.
Do not open equipment until ALL power sources are disconnected
This equipment must be installed and serviced only by qualified electrical
personnel utilizing safe work practices and appropriate Personal Protective
Equipment (PPE). Failure to do so may cause personal injury or death
9.1.1 DO NOT perform dielectric tests on the equipment with the control components in the circuit.
9.1.2 Check if control components are tight in sockets.
9.1.3 Periodically inspect all terminals (load, line and control) for tightness. Re-torque all bolts,
nuts and other hardware. Clean or replace any contact surfaces, which are dirty, corroded or
pitted.
9.1.4 Transfer switches should be in a clean, dry and moderately warm location. If signs of
moisture are present, dry and clean transfer switch. If there is corrosion, try to clean it off. If
cleaning is unsuitable, replace the corroded parts. Should dust and/or debris gather on the
transfer switch, brush, vacuum, or wipe clean. DO NOT
blow dirt into power switching
devices.
9.1.5 Test the transfer switch operation. While the unit is exercising, check for freedom of
movement, hidden dirt, corrosion or any excessive wear on the mechanical operating parts.
9.1.6 Verify all settings on the TSC 9 controller as per the TSC 9 component calibration label
inside the transfer switch enclosure.