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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 (
). In the event of visible leaks, proceed as follows:
12.1 Control Valve - renew control valve 'O' rings (
items 25 and 26).
12.2 Large grub screw (
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.