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appearance of bubbles. If there are no bubbles, the leak is internal and the telescopic column must be
dismantled for further investigation (Section 5). In the event of visible leaks, proceed as follows:
12.1 Control Valve - renew control valve 'O' rings (Fig 6.2 items 25 and 26).
12.2 Large grub screw (Fig 6.2 item 27) - remove and re-seal with Loctite 542.
WARNING!: This pedestal is pressurized to a maximum of 9.6 bar (140 psi)). Do not dis-
assemble or interfere with any component in the pressure system without proper
authority. Ensure all pressure is vented before disassembling any component in the
pressure system.
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