Page 48 - Plastics News September 2018

FEATURES

Piping/Plumbing: program. Categorize concerns as they apply to the relevant
regulations and suggest remedies as required. Categories
As part of preparation, the piping contractor provided may include:
a drawing (P&ID) showing all the pipe routings and sizes
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with the contractor what material will be used for the
various piping runs (black iron, galvanized, stainless steel, ‡ Hazardous-material storage/handling;
PVC, etc.). ‡ &RQÀQHG VSDFH HQWU\ YHVVHOV DQG FUDZO VSDFHV
&RQÀUP WKH ORFDWLRQ RI LVRODWLRQ EDOO YDOYHV %UDQFKHV ‡ Machine guards;
of the system will need to be shut off for maintenance.
To aid in troubleshooting, consider where pressure or ‡ Lock out/tag out;
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information on the P&ID.
Start-up phase
As with the electrical contractor, where machines are on Before any production, a preliminary evaluation of the
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connections and make a note of any required quick
disconnects. If any of the piping will be carrying chilled documentation (SOP, FAT) as well as operating instructions.
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label all piping with its purpose and arrows showing the
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site is to inspect the installation work.

‡ Visual inspection and identification of system
components;

‡ 9HULÀFDWLRQ RI DOO XWLOLW\ FRQQHFWLRQV
‡ Inspection of electrical devices and corresponding
wiring;
‡ Heat-zone check-out;
‡ Overview and demonstration of power-up procedure.
The technicians should follow a start-up checklist.
Filling and Checking Fluids: Beginning with the machine interlocks, the checklist
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correct grade of oil. Make a note of the gearboxes that ‡ 9HULÀFDWLRQ RI DOO VDIHW\ GHYLFHV DQG V\VWHP LQWHUORFNV
DUULYH IURP WKH IDFWRU\ ÀOOHG ZLWK RLO DQG HVWDEOLVK ZKLFK ‡ Verification of temperatures, speeds and other
are sealed and will not require oil changes. (Synthetic oils indicated values;
are now being used and are good for the lifetime of many Complete system dry test;
smaller gearboxes.) ‡
‡ Generation, recording, and compilation of IQ
Check to ensure all water-cooling tanks are filled. documentation;
Sometimes it’s best to start with plain city water. If no Mechanical items related to machinery operation.
leaks are apparent, then change to the recommended ‡
water with corrosion inhibitors. It’s best to check the functions of the most complicated
componentry (PLC/HMI, Emergency Stop, AC variable-
Safety Check: speed drives, heat zones, etc.) before simpler items such
A safety team or OSHA team must evaluate the installation as single-speed motors and level switches. Some motors
need to be tested uncoupled, while most peripheral-
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addressed systematically by the site’s safety/health system motors are safe to test coupled. It is important to

Plastics News September 2018 48