Rexnord
®
Planetgear™ 7000 Series Speed Reducer
s
Owners Manual
Sizes Neptune, Neptune Plus, Orion Plus, Saturn Plus & Titan Plus (Page 1 of 32)
Rexnord
158-170
3001 W. Canal St., Milwaukee, WI 53208-4200
January 2015
Telephone: 414-937-4359 Fax: 414-937-4359 www.rexnord.com
Supersedes 11-12
TABLE OF CONTENTS
SECTION I — INTRODUCTION
Introduction .........................................................................2
Basic Operation and Design ...............................................2
Sectional View and Component Identification .....................2
Nameplate Information ........................................................2
SECTION II — INSTALLATION
Handling of Reducer ...........................................................3
Reducer Mounting ...............................................................3
Mounting of Transmission Accessories ...............................4
Motors (Standard Units) ......................................................4
Motors C-Face & IEC Motor Flange Units ...........................5
Couplings ............................................................................5
Sprockets or Sheaves ..........................................................5
SECTION III — LUBRICATION
Lubricant Selection Process ................................................6
Lubricant Changes & Analysis ............................................7
Stored & Inactive Gear Drives .............................................7
Food Grade Lubricants .....................................................10
Food Grade Lubrication Selection Process ......................10
Food Grade Lubricant Changes & Analysis ......................10
Stored & Inactive Gear Drives ...........................................11
SECTION IV — START-UP
Pre Start-Up Checklist .......................................................12
Initial Start-Up....................................................................12
Prime Mover .......................................................................12
Reducer Rotation ...............................................................12
Start-Up .............................................................................12
Post Start-Up Checklist .....................................................12
SECTION V — MAINTENANCE
Filling Oil ............................................................................13
Draining Oil ........................................................................13
Adding Grease to Reducer Seals .....................................13
Replacing Seals in Service ...............................................13
SECTION VI — DISASSEMBLY AND ASSEMBLY
Required Equipment .........................................................14
Taking Reducer out of Service ..........................................14
Replacing Seals ................................................................14
Removing Seals Carrier .....................................................14
Installing New Seals (Saturn Plus and Titan Plus Input –
Neptune, Neptune Plus, Orion Plus, Saturn
Plus and Titan Output Seal Carriers).......15
Installing New Seals (Neptune, Neptune Plus and Orion
Plus Input Seal Carriers) .........................15
Installing Seal Carrier – Input/output Shaft Assembly ......16
Replacing Bearings – Input/Output Shaft Assemblies ......16
Removing Input or Output Shaft Assemblies to
Replace Bearings ....................................16
Disassembling Input or Output Shaft Assemblies to
Replace Bearings (Saturn Plus & Titan Plus
Input and Orion Plus, Saturn Plus,
and Titan Plus Output) .............................17
Disassembling Input or Output Shaft Assemblies to
Replace Bearings (Neptune and Neptune
Plus Input and Output) ........................... 18
Installing Bearing Cups into Input or
Output Housings .....................................19
Assembling Input or Output Shaft Assemblies .................19
Assembling Input or Output Shaft Assemblies (Neptune
and Neptune Plus and Output) ...............21
Setting Proper Axial Bearing Clearances on
Input or Output Shaft Assemblies ...........22
Measuring Axial Clearance on Input & Output
Assemblies ..............................................22
Adjusting for too Much Axial Bearing Clearance ..............22
Adjusting for too Little Axial Bearing Clearance ................23
Final Tightening of Lock Screw on Clampnut ...................23
Gear Train Disassembly ....................................................23
Gear Train Assembly .........................................................23
Fan and Shroud Installation ...............................................23
Shroud Clip Installation .....................................................23
Fan Installation ..................................................................24
Remote Grease Line Installation .......................................24
Fan Shroud Installation ......................................................24
SECTION VII — VERTICAL SERVICE
Filling Oil ............................................................................25
Draining Oil ........................................................................25
SECTION VIII — STORAGE PROCEDURES
Spare Parts Storage ..........................................................26
Stored and Inactive Reducers ...........................................26
Long Term Storage ............................................................26
SECTION IX — TROUBLESHOOTING
Troubleshooting .................................................................27
SECTION X — TABLES
Average Weights ...............................................................28
Torque Requirements ........................................................28
Maximum Allowable Tilts for Standard Reducers .............28
SECTION XI — TABLES: REPLACEMENT SEALS AND
BEARINGS
Bearings for Standard Speed Reducers ...........................29
Seals for Standard Speed Reducers .................................29
SECTION XII — MAINTENANCE LOG
Maintenance Log ...............................................................30
SECTION XIII — ACCESSORIES
Accessories .......................................................................32
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