6.18 Disconnect box and photohelic switch/gauge (accessories)
WARNING
Only personnel specially trained to perform electrical maintenance should
attempt troubleshooting inside electrical enclosures. These enclosures contain
hazardous voltages and are not operator areas.
Before performing any maintenance or troubleshooting it is recommended that you follow
the lockout/tagout procedures according to the Control of Hazardous Energy
(Lockout/Tagout) in Volume 29 of the code of federal Regulation (29CFR) section 1910.147
for the customer supply. Lockout/tagout for the disconnect box are shown in Figure 6-6.
iH Dry Pumping Systems 6-19
ON
ON
OO
FF
FF
DO
NOT
OPERATE
DO
NOT
OPERATE
SIGNED BY
DATE
SIGNED BY
DATE
DANGER
DANGER
Normal Operating Position
Top View In Off Position
Pull Tab Out to Enable Lockout/Tagout
Slide Lock and Tag
Around Tab
and Close Lock
Upon Completion of Work,
Remove Lock and Tag
and Re-Start System
Following Instructions Provided
l
l
Turn System Off Using PDM
(Refer to iH/iQDP Instruction Manual)
Turn Disconnect Switch to
Off Position
18930606
Figure 6-6 - System lockout/tagout procedures
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