Page 2 - SAfETY INfORMATION AND INSTRUCTIONS; AND MAINTAINED ONLY BY SUITABLY TRAINED AND QUALIfIED PERSONS.
SECTION TSM 685.2 ISSUE C PAGE 2 OF 16 BEfORE opening any liquid chamber (pumping chamber, reservoir, relief valve adjusting cap fitting, etc.) be sure that : ● Any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections....
Page 3 - SPECIAL INfORMATION; ROTATION
SECTION TSM 685.2 ISSUE C PAGE 3 OF 16 fIGURE 3 RELIEf VALVE POSITION SPECIAL INfORMATION ROTATION : Viking Mag Drive® pumps are designed to run in either direction. See PUMP ROTATION, page 11. PRESSURE RELIEF VALVES: 1. Viking pumps are positive displacement pumps and must be provided with some sor...
Page 4 - MAINTENANCE; WITH BEARING CARRIER ILLUSTRATED
GAUGE PORT BOSS STORAGE: If the pump and coupling are to be stored, drain the pump and pour non-detergent SAE 30-weight oil into the pump port. Apply grease to the pump or the coupling shaft extension, if present or accessible. Viking suggests rotating the pump shaft every 30 days to circulate the o...
Page 5 - Series
SECTION TSM 685.2 ISSUE C PAGE 5 OF 16 ExPLODED VIEW – SIzES AS, AK, AL, KE & KKE MAG-DRIVE PUMPS fIGURE 6 ITEM NAME Of PART ITEM NAME Of PART ITEM NAME Of PART 1 Locknut 37 Idler 53 Locating Pin 21 Set Collar 38 Idler Bushing 60 Thrust Washer - 2 Req’d 25 Casing Bushing 39 Idler Pin 61 Machine ...
Page 7 - PUMP DISASSEMBLY; Refer to DANGER & CAUTION listed on page 2
SECTION TSM 685.2 ISSUE C PAGE 7 OF 16 6. Remove the idler and bushing assembly. If the idler bushing needs to be replaced, see “ INSTALLATION Of BUSHINGS” on page 10. If further disassembly is required, the pump must be separated from coupling. Refer to “ DISASSEMBLY Of COUPLING” on page 8 before p...
Page 8 - DISASSEMBLY Of COUPLING; fIGURE 9; ASSEMBLY
SECTION TSM 685.2 ISSUE C PAGE 8 OF 16 Buttonhead Screws Locknut Inner Magnet Set Collar Canister Bushing Canister O-ring Button Head Screws Canister and Casing Drain Holes DISASSEMBLY Of COUPLING fIGURE 9 PUMP, INNER MAGNET AND CANISTER ASSEMBLY Series MD2-B and MD2-C, All Sizes 1. Remove the pipin...
Page 9 - DISASSEMBLY / ASSEMBLY Of BEARING CARRIER; DISASSEMBLY; figure; Bearing Carrier for MD2-B Couplings; figure 8 on page 7 and; Bearing Carrier for MD2-C Couplings; AND BEARING CARRIER
SECTION TSM 685.2 ISSUE C PAGE 9 OF 16 DISASSEMBLY / ASSEMBLY Of 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 t...
Page 10 - INSTALLATION Of BUSHINGS; CARBON GRAPHITE; CASING BUSHING POSITIONING; ASSEMBLY Of PUMP; See figure 14, page 9
SECTION TSM 685.2 ISSUE C PAGE 10 OF 16 INSTALLATION Of BUSHINGS CARBON GRAPHITE The canister bushing (see figure 9 on page 8) requires a special fixture for proper assembly so the bushing is only sold as part of the canister assembly. If attempting to install the carbon graphite idler or casing bus...
Page 11 - PUMP ROTATION
SECTION TSM 685.2 ISSUE C PAGE 11 OF 16 Do not attempt to reuse a PTFE (derivative) encapsulated O-ring if it has been removed. Immerse a new O-ring in boiling water for a few minutes. Remove it from the water and stretch out the O-ring so it will fit onto the casing hub without forcing it over a sh...
Page 12 - ASSEMBLY Of COUPLING
SECTION TSM 685.2 ISSUE C PAGE 12 OF 16 Series MD2-B and MD2-C, All Sizes DANGER ! follow these directions exactly to avoid injury to self or damage to the pumping unit. Be care- ful to keep the inner and outer magnets at least (1) foot apart until step 4. Do not engage the magnets in any other fash...
Page 13 - ADJUSTING END CLEARANCE; PROCEDURE A
SECTION TSM 685.2 ISSUE C PAGE 13 OF 16 ADJUSTING END CLEARANCE Table 7-A provides standard operating end clearance for this pump. Use either of the following procedures to properly adjust the end clearance when replacing shims or reassembling the pump. fIGURE 21 PRESSURE RELIEf VALVE INSTRUCTIONS B...
Page 14 - DISASSEMBLY – RELIEf VALVE; always; Before starting pump, be sure all drive equip-; PRESSURE ADJUSTMENT; TABLE 8
SECTION TSM 685.2 ISSUE C PAGE 14 OF 16 fIGURE 22 VALVE – AS, AK, AL, KE AND KKE SIzES VALVE - LIST OF PARTS 1. Valve Cap 6. Valve Body 2. Adjusting Screw 7. Valve Spring 3. Lock Nut 8. Poppet 4. Spring Guide 9. Cap Gasket 5. Bonnet DISASSEMBLY – RELIEf VALVE Mark the valve and head before disassemb...
Page 15 - TROUBLESHOOTING; Pump starts, then loses its prime
SECTION TSM 685.2 ISSUE C PAGE 15 OF 16 TROUBLESHOOTING Some of the following may help pinpoint the problem: Pump does not pump: • Pump has lost its prime from air leak or low level in tank. • Suction lift is too high. • Pump is rotating in the wrong direction. • The strainer may be clogged. • The b...
Page 16 - TECHNICAL SERVICE MANUAL; A Unit of IDEX Corporation; WARRANTY
TECHNICAL SERVICE MANUAL VIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA © 5/2007 Viking Pump Inc. All rights reserved SECTION TSMPAGEISSUE WARRANTY Viking warrants all products manufactured by it to be free from defects in workmanship or material for a period of one (1) y...