11.4.10 Replacing the O-rings on the Stopcock Under the Production Tank
A1978
1.
Fig. 57: Stopcock under the production tank.
1.
Dismantle the stopcocks under the production tank.
2.
Replace the O-rings.
3.
Replace the O-rings and the stopcocks.
During annual maintenance:
During three-yearly maintenance:
Preventative maintenance
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Summary of Contents for Chlorinsitu-III
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