P.19
PM10U
EBARA
CORPORATION
2.4 Release and shut off residual internal energy
2.4.1 Electrical Power – Lockout and Tagout
Lock the branch circuit in the OFF position and tag it out to perform maintenance or troubleshooting.
The Lockout / Tagout procedures must comply with OSHA 29 CFR 1910.147 and 1910.331-335.
1) Turn off the pump circuit protector.
2) Turn the branch circuit disconnect off. Check with a voltmeter that the power is shut off the
pump.
3) Insert padlock through holes provided on locking device. Close padlock and attach tag.
Keep the key with you while working.
4) Check that the display panel is off.
2.4.2 Returning to Service
1) Remove handle stop bracket and switch circuit breaker on.
2) Restart pump and open fore-line valve only after appropriate leak checks and safety
verifications are completed.
WARNING
· To avoid dangers potentially encountered during maintenance, transportation or
storage, follow instructions below to shut off power.
· Capacitors within the control panel retain residual energy after interruption of power
supply. Wait five (5) minutes after shutting off breaker before opening the control
panel. Carefully check that bleed circuits have discharged the residual energy before
servicing the control panel.
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