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Danfoss VCM 46 Service Manual page 3

Non-return valve, disassembling and assembling

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Service guide | Disassembling and Assembling VCM 46
Assembling
© Danfoss | DCS (im) | 2019.11
1. Lubrication:
To prevent seizing-up, lubricate threads
with PTFE lubrication type.
O-ring inside VCM 46 may be lubricated
only with clean filtered water.
O-rings at the thread end must be
lubricated.
It is important to lubricate ALL parts to
be assembled with clean filtered water.
3. Mount the water lubricated O-ring on the
cone. Ensure the O-ring is pushed fully into
the O-ring groove.
5. Mount the spring on the rod of the cone.
2. Mount the lubricated O-ring at the thread
end of the valve.
4. Mount the the cone.
6. Lubricate the threads of the nut.
180R9420 | AX323840049566en-000101 | 3

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