Service guide
Non-return valve
VCM 46
Disassembling and Assembling
The Service guide covers the instruction for disassembling and assembling the VCM 46 Nonreturn valve.
IMPORTANT:
It is essential that the VCM 46 is serviced in conditions of absolute cleanliness.
WARNING:
Do not use silicone when assembling the VCM 46. Do not reuse disassembled O-rings; they might be damaged.
Always use new O-rings.
For a better understanding of the VCM 46, please see the sectional view.
Tools needed:
• Snap ring pliers or nylon mandrel
• Screwdriver
Disassembling
1.Mount the VCM 46 into a vice with aluminum trays.
2. Turn the nut CCW with snap ring pliers.
© Danfoss | DCS (im) | 2021.03 |
180R9420 | AX323840049566en-000201 | 1 |
Service guide | Disassembling and Assembling VCM 46
3. Alternatively use a mandrel made of nylon.
4. Remove the nut.
5. Remove the spring.
6. Remove the valve cone.
7.Remove the O-ring at the cone with a small screw driver.
2.Remove the O-ring at the thread end of the valve with a small screw driver.
© Danfoss | DCS (im) | 2021.03 |
180R9420 | AX323840049566en-000201 | 2 |