Unigas KPBY70, Manual Of Installation - Use - Maintenance

Page: 49 / 193

PART IV: MAINTENANCE
49
12.4 Replacing the spring in the gas valve group
To replace the spring in the gas valve group,proceed as follows:
1
Carefully twist the protection cap 1 and the O-ring 2.
2 remove the “set value” spring 3 from housing 4.
3 Replace spring 3.
4 Carefully insert the new “set value” spring. Pay attention to mount properly.
First insert the spring part with smaller diameter in the housing.
5 Place O-ring 2 in protective cap 1. Screw in the protective cap with the O-
ring in it.
6 Stick the adhesive label for spring identification on the type plate.
1
3
SKP Siemens actuator