GESTRA UNA 38, Original Installation Instructions

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Fitting control unit in place

Check all removed parts for signs of damage.
 Replace all worn or damaged parts.
 Clean all dirty parts.

Apply high-resistant lubricant to all threads,
bearing faces of screws, nuts and bolts.
The lubricant must have the same properties as
OKS
® 217.
Attention!
Equipment may leak if the gasket is
damaged.

Replace all gaskets that you loosen
during your work.
 Use only new gaskets of the same
type.

Replace all gaskets with new ones of the same
type.
The jobs described in this section differ
depending on the type of equipment.
To install the control unit of the UNA 38, proceed as
follows:
Attention!
Malfunctions may occur if the control unit
is installed incorrectly.
 When installing the equipment make
sure that the name plate points
upwards and the float arm is free to
move up and down.
 Make sure that the flow arrow on the
equipment body matches the direction
of flow in the pipe.
 Position the control unit (8) on the body (3).

Make sure that the control unit is correctly
aligned.

Tighten the union nut (42) to a torque of
120 Nm.