Viking 855 Disassembly / Assembly of Bearing Carrier, On page 6 and then proceed as follows

Page 9

DISASSEMBLY / ASSEMBLY OF BEARING CARRIER

Bearing Carrier for MD2-B Couplings

Bearing Carrier

HousingInternal

Retaining Ring

Set Screw

Outer Magnet

Spacer

Ball Bearings

Bolt-on

Hub

“A”

External

Retaining Rings

FIGURE 13

MD2-B outer magnet, bolt on hub

and bearing Carrier

Bearing Carrier for MD2-C Couplings

 

 

Bearing Carrier

 

 

 

Retaining

Housing

 

 

 

End Cap and

 

 

Outer

 

Setscrew

 

 

 

Set

Inner Key

Magnet

Lockwasher

 

and Locknut

Spacer

Screw

 

 

Tapered

 

Roller

Bolt-on

Bearing,

Hub

(Outer)

 

Tapered Roller

Lipseal

Bearing, (Inner)

“A”

 

FIGURE 14

MD2-c outer magnet, bolt on hub and bearing Carrier

DISASSEMBLY

The bearing carrier for an MD2 B coupling features two sealed ball bearings along with the outer magnet assembly. If further disassembly of this unit is required, reference Figure

7 on page 6 and Figure 13 then proceed as follows:

1.Remove the internal retaining ring. Using a press, press the shaft out of the housing.

2.Remove the external retaining rings from shaft. Place the unit into the press and push out shaft out of the bearings.

ASSEMBLY

1.Place some Loctite® on the O.D. of the first bearing and press into the housing bore. Position the bearing spacer in the bore and insert the second bearing. Center the bearing spacer then press in the shaft with one external retaining ring on shaft. Press down until the ring contacts the bearing race, then install the second ring. Install the internal retaining ring into the bearing housing.

2.Slide the outer magnet assembly onto the pump shaft. Locate the outer magnet per dimension “A” listed below then tighten the two setscrews.

“B” Coupling Outer Magnet

Location Dimension*

Pump Design

“A” Dim.

 

 

U.S. Inch Design

8.49 inches

Metric Design

196.4 mm

DISASSEMBLY

The bearing carrier for the MD2 C coupling features two tapered roller bearings secured by a threaded end cap. The unit is greased externally using the grease fitting. If further disassembly is required, reference Figure 8 on page 7 and Figure 14, then proceed as follows:

1.Remove the two setscrews from the bolt-on hub and slide the outer magnet off of the shaft. Remove the outboard drive key in shaft.

2.Place the inboard side of the shaft in a vise with padded jaws. Bend the lockwasher tab up and gently tap the locknut in a counterclockwise direction. Remove the locknut and lockwasher.

3.Loosen the two setscrews retaining the end cap. Back out the end cap completely. Pull or gently tap the shaft out the back of the bearing housing. Be sure to keep the cup and cone of the outer bearing together. If either the cup or cone requires replacing, it is recommended to replace as a set. The inner cone will probably stay in the housing unless it is to be replaced.

4.One lip seal is pressed into the end cap and the other is pressed into the bearing housing. Do not remove the lipseals unless they require replacement. If removed, pay close attention to the orientation as shown in Figure 14 when installing the new lip seals.

*Dimensions are not the same between designs

Loctite® is a trademark of Henkel Consumer Adhesives, Inc.

SECTION TSM 685.2 ISSUE C

PAGE OF 16

 

 

Image 9
Contents Contents Model Number ChartIntroduction Symbol Safety Information and InstructionsSpecial Information Suction DischargeRelief Valve Position Suggested Repair Tools MaintenanceModel number system Exploded View Sizes AS, AK, AL, KE & KKE Mag-Drive PumpsName of Part MD2- B Series Coupling and Bearing Carrier Components Coupling Torque and Size Options Drive ConfigurationPump Disassembly MD2- c Series Coupling and Bearing Carrier ComponentsRefer to Figures 4, 6, 7 & 8 for names of parts Pump, Inner magnet and canister assembly Disassembly of CouplingInner Magnet and locknut assembly Motor or Bearing Carrier and BracketMD2-B outer magnet, bolt on hub Bearing Carrier Disassembly / Assembly of Bearing CarrierMD2-c outer magnet, bolt on hub and bearing Carrier On page 6 and then proceed as followsInstallation of Bushings Assembly of PumpCasing Bushing positioning 001 Pump RotationAssembly of Coupling MD2-B CouplingsMD2- C Couplings Procedure a Adjusting END ClearanceProcedure B Pressure Relief Valve InstructionsValve AS, AK, AL, KE and KKE Sizes Disassembly Relief ValveTroubleshooting Section Warranty

855 specifications

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