SKIRT-PISTON 1300241 - Caterpillar

SMS Bypass Cabinet
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Bypass Cabinets (Front View with Shields) (1) Bypass switch (optional) (2) Output switch (optional) (3) Input switch (optional) (4) Upper shield (5) Lower shield (6) GSM circuit breaker (optional)
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(7) LCD display (8) Key switch (9) Home soft key
When servicing or repairing electric power generation equipment:
Make sure the unit is either locked out or tagged DO NOT OPERATE.
Remove all fuses.
Make sure the generator engine is stopped.
Make sure all batteries are disconnected.
Make sure all capacitors are discharged.
Make sure residual voltage in the rotor, stator and the generator is discharged.Failure to do so could result in personal injury or death.
System Internal Bypass Procedure
The internal bypass is used when the system voltage must regulate the power to the load, but not protecting the load in a utility outage.
Turn the key switch (8) to the Bypass position at the flywheel cabinet.
Ensure that the UPS is in Bypass mode. Confirm the mode by pressing the "Home" soft key (9) . The "Home" is located on the user interface panel. Observe the status line on the LCD (7) .The system is now in Internal Bypass.SMS with Bypass Cabinet
Maintenance Bypass Procedure
Perform the maintenance bypass procedure. The voltage is not regulated and the load is not protected.
Turn the key switch (8) to Bypass position at the flywheel cabinet.
Ensure that the UPS is in Bypass mode. Confirm the mode by pressing the "Home" soft key (9) . The "Home" is located on the user interface panel. Observe the status line on the LCD (7) .
If the system does not enter the Bypass mode, Do Not Proceed with this procedure. Equipment damage or load interruption may occur. Contact Technical Support.
Note: When the flywheel is spinning, the following components are energized: the DC bus, the armature leads and the fuses (armature). In order to brake the flywheel, follow the