Danfoss VCM 46 Service guide

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