Instruction/ maintenance manual of the product K-825 Viking
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SECTION TSM 845 P AGE 1 Of 14 ISSUE f VIKING PUMP , INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA VIKING PUMP , INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA TECHNICAL SER VICE MANUAL INTRODUCTION Introduction .
SECTION TSM 845 ISSUE F P AGE 2 OF 14 DO NOT OPERA TE PUMP IF: – The front cover is not installed correctly . – Any guards are missing or incorrectly installed.
SECTION TSM 845 ISSUE F P AGE 3 OF 14 Series 823, 825 and 827 pumps are designed for long, trouble-free service life under a wide variety of application conditions with a minimum of maintenance. The points listed below will help provide long service life.
SECTION TSM 845 ISSUE F P AGE 4 OF 14 CLEANING PUMP: Keep pump as clean as possible. This will facilitate inspection, adjustment and repair work. STORAGE: If pump and coupling are to be stored, drain pump and pour non-detergent SAE 30 weight oil into the pump port.
SECTION TSM 845 ISSUE F P AGE 5 OF 14 4. Remove head from pump. Do not allow idler to fall from idler pin. T ilt top of head back when removing to prevent this. Avoid damaging head gasket set, all gaskets are required to maintain end clearance. 5. Remove idler and bushing assembly .
SECTION TSM 845 ISSUE F P AGE 6 OF 14 ITEM NAME OF P ART ITEM NAME OF P ART ITEM NAME OF P ART 1 Capscrews 5 Ball Bearing (2 Req’d) 9 Bracket 2 External Snap Ring 6 Internal Snap Ring 10 Canister 3 Bearing Housing 7 Key 11 Inner Magnet Assembly 4 Bearing Spacer 8 Outer Mag Assembly 12 Hand Knobs FIGURE 6 MD-C SERIES COUPLING 1.
SECTION TSM 845 ISSUE F P AGE 7 OF 14 4. Insert a brass bar through a port between two rotor teeth and loosen the capscrew holding the inner magnet to the shaft (See Figure 1 1). Do not forget, this is a very strong magnet. If pump disassembly is required, remove the external retaining ring.
SECTION TSM 845 ISSUE F P AGE 8 OF 14 DISASSEMBL Y & ASSEMBL Y OF MD-C SERIES BEARING HOUSING DISASSEMBL Y 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.
SECTION TSM 845 ISSUE F P AGE 9 OF 14 Use a suitable lubricant compatible with the fluid being handled when reassembling the pump. Inspect all parts, especially drilled holes in casing for the suck back system to make sure they are not plugged. Replace any worn parts and polish any burrs; clean all parts; assemble pump.
SECTION TSM 845 ISSUE F P AGE 10 OF 14 INST ALLA TION OF BUSHINGS CARBON GRAPHITE: SILICON CARBIDE ASSEMBL Y COUPLING: SERIES MD-C80 COUPLING When installing carbon graphite bushings, extreme care must be taken to prevent breaking. Carbon graphite is a brittle material and easily cracked.
SECTION TSM 845 ISSUE F P AGE 11 OF 14 ADJUSTING HEAD GASKET END CLEARANCE PUMP ROT A TION Use either of the following procedures to properly adjust the end clearance when replacing gaskets: PROCEDURE A: With balance plate in position, slide rotor and shaft into casing.
SECTION TSM 845 ISSUE F P AGE 12 OF 14 V AL VE - AS, AK AND AL SIZES V AL VE - LIST OF P ARTS 1. V alve Cap 6. V alve Body 2. Adjusting Screw 7. V alve Spring 3. Lock Nut 8. Poppet 4. Spring Guide 9. Cap Gasket 5. Bonnet 10. Bonnet Gasket DANGER ! Before opening any Viking pump liquid chamber (pumping chamber , reservoir , etc.
SECTION TSM 845 ISSUE F P AGE 13 OF 14 Some of the following may help pinpoint the problem: Pump does not pump: ► Lost its prime from air lead or low level in tank. ► Suction lift too high. ► Rotating in wrong direction. ► Strainer clogged. ► Bypass valve open, pressure relief valve set too low or pressure relief valve poppet stuck open.
SECTION TSM 845 P AGE 14 OF 14 ISSUE F VIKING PUMP , INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA © 3/2013 Viking Pump Inc. All rights reserved W ARRANTY Viking warrants all prod.
An important point after buying a device Viking K-825 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Viking K-825 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Viking K-825 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Viking K-825 you will learn all the available features of the product, as well as information on its operation. The information that you get Viking K-825 will certainly help you make a decision on the purchase.
If you already are a holder of Viking K-825, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Viking K-825.
However, one of the most important roles played by the user manual is to help in solving problems with Viking K-825. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Viking K-825 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
