Viking K-825, KK825, KK827, K-823, KK823, K-827 service manual Disassembly, Assembly

Models: K-823 KK823 K-827 K-825 KK825 KK827

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DISASSEMBLY

DISASSEMBLY & ASSEMBLY OF MD-C SERIES BEARING HOUSING

DISASSEMBLY

The bearing housing features two sealed ball bearings along with an outer magnet assembly. If further disassembly of this unit is required, proceed as follows:

1.Refer to Figure 12 for part identification. Cover the open end of the outer magnet with a piece sheet metal or cardboard. This will keep foreign material out of magnet area. Set the assembly face down with the shaft pointing up and remove handknobs.

2.Remove external retaining ring from shaft, place unit into press and push out shaft as shown in Figure 13. Support end of outer magnet to prevent it from dropping as possibly being damaged.

3.Remove the internal retaining ring and press out bearings.

 

BEARING

 

INTERNAL

HOUSING

SHEET METAL

RETAINING

 

COVER 6.50”

RING

 

SQUARE

SPACER

 

 

EXTERNAL

RETAINING

RING

BALL BEARINGS

figure 12

ASSEMBLY

1.Place (1) bearing into housing bore. Gently tap or press into bore. Position spacer in bore and insert second bearing. Press down until bearings bottom out. Install internal retaining ring into bearing housing.

2.Slide shaft of outer magnet assembly into bearing until it meets resistance. Set upright in press (See Figure 14) and place a spacer on the end of housing such as 3” NPT coupling and press housing down until bearing bottoms out on shaft shoulder. Install external retaining ring on shaft of outer magnet assembly.

PRESS

figure 13

PRESS

SPACER

 

(3”NPT

 

COUPLING)

figure 14

SECTION TSM 845

ISSUE F

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Viking K-825, KK825, KK827, K-823, KK823, K-827 service manual Disassembly, Assembly

FAQ

What is the disassembly process for the MD-C series bearing housing?

The disassembly process involves covering the open end of the outer magnet, removing handknobs, removing retaining rings, and pressing out the bearings. Refer to Figure 12 for part identification.

How do I assemble the MD-C series bearing housing?

The assembly process includes placing bearings into the housing bore, inserting a spacer, pressing down the bearings, and installing internal and external retaining rings. See Figure 14 for details.

How can I prevent damage to the outer magnet assembly during disassembly?

To prevent damage to the outer magnet assembly, support the end of the outer magnet to prevent it from dropping when pressing out the shaft. Refer to Figure 13 for visual guidance.