Removing pressure relief valve
1. Remove plug (24) using a 2 mm screw driver.
Some special versions of OSQ have a cover plug (160) assembled on the top of the pilot relief valve. In
such cases, use a 24 mm
socket spanner.
2.
Screw out the adjusting screw (23) using a 6 mm Hex key.
O-ring (23.2) is fitted to the screw (23).
3. Remove the spring (22.2) with cone (22) using a hook or magnet rod.
Service Manual
OSQA/OSQB
Disassembly
©
Danfoss | July 2016 HN25D293 | AX00000127en-US0101 | 11
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General