GESTRA UNA 38, Original Installation Instructions

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24
Mounting cover
Attention!
Equipment may leak if the gasket is
damaged.
 It is therefore essential that you
always insert a new gasket before re-
attaching the cover.

Make sure that the cover is not tilted
or skewed when refitted.
The jobs described in this section differ
depending on the type of equipment.
To install the cover of the UNA 38, proceed as
follows:

Make sure that the control unit is correctly
fitted.
The float (33) must be able to move upwards.

Lubricate the threads and contact surfaces of
the set screws with temperature-resistant
lubricant.
The lubricant must have the same properties as
OKS
® 217.
 Insert a new body gasket (4) in the body (3).
 Place the cover (9) on the body.
The rating plate (10) must face upwards. The four
set screws (5) must be inserted in the holes in the
cover.
 Place the four sleeves (2) on the set screws.
 Screw the four hex nuts (1) on the set screws.

Tighten the hex nuts to a torque of 270 Nm.