Injection Check Valve Parts Replacement - LMI ROYTRONIC EXCEL AD Series Instruction Manual

4.5 INJECTION CHECK VALVE PARTS
REPLACEMENT
CHECK VALVE POINT USING VALVES) SO THAT INJECTION
CHECK VALVE CAN SAFELY BE DISASSEMBLED.
GLASSES AND GLOVES
PERFORMING ANY MAINTENANCE OR REPLACEMENT ON
YOUR PUMP. SEE SDS INFORMATION FROM SOLUTION
SUPPLIER FOR ADDITIONAL PRECAUTIONS.
Refer to the LMI Metering Pump Price List for
®
the proper Spare Parts Kit or RPM PRO PAC™
kit number or contact your local LMI
distributor.
1. Isolate Injection Check Valve and depressurize
pipe or drain pipeline.
DEPRESSURIZE AND
PIPELINE (OR ISOLATE INJECTION
ALWAYS WEAR PROTECTIVE
CLOTHING, FACE SHIELD, SAFETY
WHEN WORKING NEAR
stocking
®
Spring
Figure 16. Injection Check Valve Parts Replacement
Instruction Manual
SECTION 4 - MAINTENANCE
2. Carefully depressurize and disconnect the
discharge line (see Section 5.1 or 5.2 in this
manual).
DRAIN
Spare part replacement kits include specific
instructions for valve replacement. Please follow
the instructions included with the replacement kit.
3. Carefully disconnect the tubing leading to the
Injection Check Valve, then remove the Injection
OR
Check Valve Fitting. Remove and replace the
worn spring, seat, ball, and O-ring.
Note:
Before disassembling the check valves, note
the orientation of the valve.
4. Install a new spring, seat, ball, and O-ring.
Ensure that the parts are oriented correctly.
Ball
Seat
Injection Check
Valve Fitting
O-Ring
O-Ring
24