English
5.906-736.0 Rev. 00 (07/15)
137
Loosen screws.
Remove and clean magnetic pen.
Adjust safety valve
NOTE
The safety valve is adjusted via the pressure increase in
the system with the burner turned on, so that it limits the
pressure increase to the max. permissible value (see
Specifications) with the gun closed.
Then seal the settings.
Block the overflow device (turn to stop).
Set the safety valve to approx. 220-230 bar.
The opening pressure of the safety valve is adjusted
with the adjustment screw.
Rotation to the right increases the opening pressure,
rotation to the left decreases the opening pressure.
Finally readjust the overflow device.
NOTE
The service tasks on the safety blocks are in line with the
descriptions of the 200bar safety block, for details see pre-
vious chapter.
The safety valves of the two safety blocks cannot be ad-
justed. These are permanently set and marked.
11.10.2 Safety block for 350/500bar devices
Summary of Contents for HDS 9/50 De Tr1
Page 46: ...46 English 5 906 736 0 Rev 00 07 15 1 Reflector on both sides 2 Marker light on both sides...
Page 182: ...182 English 5 906 736 0 Rev 00 07 15 13 3 Troubleshooting Yanmar diesel engine...
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Page 185: ...English 5 906 736 0 Rev 00 07 15 185 14 3 Maintenance plan Yanmar diesel engine...
Page 189: ...English 5 906 736 0 Rev 00 07 15 189 HDS 13 20 and 17 20 safety block...
Page 190: ...190 English 5 906 736 0 Rev 00 07 15 HDS 9 50 and 13 35 pump head...
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