Table B-1. Preventive Maintenance Checks and Services for ROWPU System (Continued)
CHECK FOR AND HAVE
REPAIRED OR ADJUSTED
IS NOT READY/
A D W M Q
f. Prime chemical metering pump after
replacing coagulant or inhibitor.
Set stroke and speed controls to 100.
Set control station ON/OFF switch
Connect hose to purge air purge
valve to collect any air or liquid.
While pump is priming open air
Close air purge valve when fluid is
free of air.
When pump is primed, turn control
station ON/OFF switch to OFF.
Set chemical metering pump control:
g. Make sure membrane cleaning agent
(Hydrakleen) drums are full.
replace drums in accordance with Item 4
a. Check chemical agent drum. Replace if
necessary as follows:
Wear safety goggles or face shield and rub-
ber gloves while replacing chemical agent
drums. Immediately wash off agent that
contacts skin. If agent touches eyes, Imme-
diately flush eyes at eye wash station. Wash
spills with water. Dry mop to prevent slip-
1) Close valve R013 on hose connected
to large threaded drum bunghole.
2) Disconnect hose containing valve