GESTRA BK 15 - Page 13

13
 Have the following tools to hand:
 Screwdriver 5.5/100
 Combination spanner size 18
 Combination spanner size 30
 Combination spanner size 36
Replacing the packing
 Unscrew the union nut from the cover.
 Remove the stuffing box ring.
 Remove the packing.
 Insert new packing.
 Insert the stuffing box ring.
 Screw the union nut into the cover.
 Tighten the union nut to a torque of 30 Nm.
Removing Thermovit regulator
To clean the Thermovit regulator and, if necessary,
replace it with a new one proceed as follows:
 Remove the 4 nuts (13) and bolts (14).
 Remove the cover (4) from the body (11).
 Remove the body gasket (9).
 Unscrew the Thermovit regulator (7) from the
body (11).
 Detach the guide ring (6) from the Thermovit
regulator.
Cleaning Thermovit regulator
 Clean the Thermovit regulator with fresh water
and a clean lint-free cloth.
 Clean gasket seating surfaces.
Checking the component parts for damage
 Check the removed parts for visible signs of
wear or damage.
 Discard and replace any damaged part.