
Best Pracces
extending the life of your 400 series pump.
Roune Annual Maintenance or as needed.
2. Drain oil through sight caps and replace oil with
located on the front of the pump body.
NOTE:
NOTE:
head screws to 50 in lbs.
CAUTION! All pumps should operate at the rated
the pump from a dedicated circuit with 15 amp circuit
AC Only
A. All wiring must be done by a licensed electrician in
C. Circuit must be grounded.
WARNING! Do NOT disable ground prong.
or bypassing the ground prong on a plug eliminates
WARNING! DO NOT disassemble the yoke assembly.
is under extreme pressure, and serious injury or death
WARNING!
DO NOT USE
PRESSURIZED WATER OR PRESSURIZED AIR
your Sotera Systems pumps. Damage to the equipment
IMPORTANT! Do not allow chemicals to remain in the
chemicals area allowed to “dry out.” Thoroughly rinse
IMPORTANT!
for the diaphragms. Certain repair and maintenance
procedures require draining of the oil, while others do
Diaphragm Assembly/Check Valve Replacement
IMPORTANT!
is important during this procedure to make sure no debris
or contaminants fall into the oil.
1.
of pump body; be careful not to damage surface of body.
Hand start
CAUTION! USE CARE
damage to the pump body. DO NOT pry the diaphragm
sharp or metal tools. Scratching or otherwise damaging
the pump body may cause leaks.
WARNING! Always switch pump o and disconnect
from power source prior to servicing