Viking pump 3-551-050-276 Technical & Service Manual Download Page 1

Page: 1 / 8

MODEL NUMBER CHART

Size

Part Number

Ratio

3-551-049-224

2.24:1

3-551-050-276

2.76:1

3-551-051-343

3.43:1

3-551-052-417

4.17:1

3-551-054-187

1.87:1

3-551-055-224

2.24:1

3-551-001-276

2.76:1

3-551-002-340

3.40:1

3-551-003-419

4.19:1

3-551-004-506

5.06:1

3-551-005-627

6.27:1

3-551-007-765

7.65:1

3-551-056-221

2.21:1

3-551-032-280

2.80:1

3-551-008-331

3.31:1

3-551-009-421

4.21:1

3-551-010-508

5.08:1

3-551-011-624

6.24:1

3-551-012-795

7.95:1

TABLE OF CONTENTS

Introduction ................................................................................

Model Number Chart ..................................................................

Special Information ....................................................................

Lubrication ............................................................................

Installation ..................................................................................

Operation ...................................................................................

Gear Ratios...........................................................................

Disassembly ...............................................................................

Assembly

(A Reducer)

.....................................................................

Assembly

(B Reducer)

....................................................................

Assembly

(C Reducer)

....................................................................

Selecting The Correct Viking Helical Gear Reducer .................

INTRODUCTION

The illustrations used in this manual are for identification

purposes only and cannot be used for ordering parts.

Obtain a parts list from your Viking Pump

representative.

When ordering parts be sure to give complete part name,

part number and the reducer part number. The reducer part

number is stamped on the nameplate.

FIGURE 1: A SIZE

FIGURE 2: B SIZE

FIGURE 3: C SIZE

TECHNICAL SERVICE MANUAL:

INSTALLATION, OPERATION & MAINTENANCE

VISIT VIKINGPUMP.COM FOR PDF OF CURRENT TSM ISSUE & TO VIEW REPAIR VIDEOS

TSM

1984

Page 1 of 8
Issue A

PARTS & ACCESSORIES

HELICAL OFFSET GEAR REDUCERS

SIZES:

A, B, C

Summary of Contents for 3-551-050-276

Page 1: ...Ratios 3 Disassembly 3 Assembly A Reducer 4 Assembly B Reducer 5 Assembly C Reducer 6 Selecting The Correct Viking Helical Gear Reducer 7 INTRODUCTION The illustrations used in this manual are for identification purposes only and cannot be used for ordering parts Obtain a parts list from your Viking Pump representative When ordering parts be sure to give complete part name part number and the redu...

Page 2: ...ricant 1 Fasten the pump securely to the baseplate 2 Mount the reducer on the reducer bracket with capscrews finger tight The breather cap should be located on the upper side of the reducer and drain plug on the bottom 3 Place the coupling halves on the high and low speed reducer shafts 4 Align the low speed shaft coupling half with the coupling half on the pump or driver shaft Use a straight edge...

Page 3: ... 2 That the driving means motor turbine engine etc has been locked out or made non operational so that it cannot be started while work is being done on pump 3 That you know what liquid the pump has been handling and the precautions necessary to safely handle the liquid Obtain a material safety data sheet MSDS for the liquid to be sure these precautions are understood Failure to follow above listed...

Page 4: ...aces 7 Block the gear case open side up to provide at least 2 clearance between the case and the assembly bench 8 Make certain the pinion and gear shaft keyways are free of burrs and sharp edges to prevent damaging the sealing surfaces in the lip seals 9 Take the pinion and gear assemblies mesh the gear teeth and insert simultaneously into the gear case half Rotate the gear shaft slightly as it is...

Page 5: ...al surfaces 5 Block the gear case open side up to provide at least 3 clearance between the case and the assembly bench 6 Make certain the pinion and gear shaft keyways are free of burrs and sharp edges to prevent damaging the lip seal sealing surfaces Take the pinion and gear assemblies mesh the gear teeth and insert simultaneously into the gear case half Rotate the gear shaft slightly as it is pu...

Page 6: ... clearance between case and assembly bench 6 Make certain the pinion and gear shaft keyways are free of burrs and sharp edges to prevent damaging the lip seal sealing surfaces Take the pinion and gear assemblies mesh the gear teeth and insert simultaneously into the gear case half Rotate the gear shaft slightly as it is pushed through the lip seal Tap the end of the pinion shaft and gear shaft wit...

Page 7: ...ize Viking Gear Reducer Ratios 2 24 1 2 76 1 3 43 1 4 17 1 1750 780 640 520 420 LOW SPEED SHAFT RPM 6 1 4 9 3 8 3 1 MAXIMUM REDUCER HP 1450 640 520 420 350 LOW SPEED SHAFT RPM 5 2 4 2 3 2 2 7 MAXIMUM REDUCER HP 1150 520 420 350 280 LOW SPEED SHAFT RPM 4 3 3 4 2 6 2 2 MAXIMUM REDUCER HP 950 420 350 280 230 LOW SPEED SHAFT RPM 3 6 2 9 2 2 1 8 MAXIMUM REDUCER HP TABLE 5 B SIZE HELICAL REDUCER HORSEPO...

Page 8: ...LL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO ALL WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NON INFRINGMENT ALL OF WHICH OTHER WARRANTIES ARE EXPRESSLY EXCLUDED THE RIGHTS AND REMEDIES UNDER THIS WARRANTY ARE AND SHALL BE THE SOLE AND EXCLUSIVE RIGHTS AND REMEDIES AGAINST VIKING EXCEPT FOR THE SPECIFIC LIABILITIES AND OBLIGATIONS PROVIDED UNDER THIS W...

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