Read Panasonic NC-DG3000WTS Service Manual Simplified online
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6.22. Valve A, Seal ring and Spring B assembly
1. Assemble seal ring on valve A, then assemble spring B.
2. Set 4 legs of valve A of pump comp., as picture below.
2. Set 4 legs of valve A of pump comp., as picture below.
Operating point
• Flat side of sealing should reach to base of valve A.
6.23. How to check Pump comp.
1. Use finger to Block A position, and push tightly to prevent air leak from Lid. (If there is some rebound on Pump Comp., it
means OK.)
Operating point
• If do not set packing lid well, it may not withstand pushing reaction. (Packing lid should not be open)
• Assemble pump comp., to lid after check air leak.
• Assemble pump comp., to lid after check air leak.
6.24. Check after assembly
• After assembly, check for any water leaks, insulation resistance, dielectric strength and performance with power applied.
The insulation resistance :
• Shall be 2MΩ or more when measured with a DC500VC megger. (Measuring point : Between the 2 peg frame pins and the bot-
tom plate)
Dielectric strength :
• Shall withstand AC1000V for 1 minute. (Measuring point : Same as for the insulation resistance test)
Check normal operation :
• Conduct the pot performance test (5.1.Thermo pot performance test mode ,5.2.Check for thermo pot performance )normal.
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