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How to Use This Manual

This manual provides detailed instructions on installation and

maintenance of gear drives and couplings. Use the table of

contents below to locate required information.

CAREFULLY FOLLOW THE INSTRUCTIONS IN THIS

MANUAL FOR OPTIMUM PERFORMANCE AND TROUBLE

FREE SERVICE. 

Table of Contents

Installation Instructions. . . . . . . . . . . . . . . . . . . . . Pages 1 & 2
Shaft Connections . . . . . . . . . . . . . . . . . . . . . . . . Pages 2 & 3
Tightening Torques . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Lubrication Recommendations. . . . . . . . . . . . . . Pages 3 thru 7
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . Page 8
Stored and Inactive Gear Drives . . . . . . . . . . . . . . . . . . Page 8

Introduction

Credit for long service and dependable operation of a gear

drive is often given to the engineers who designed it, or the

craftsmen who constructed it, or the sales engineer who

recommended the type and size. Ultimate credit belongs to the

mechanic on the job who worked to make the foundation rigid

and level, who accurately aligned the shafts and carefully

installed the accessories, and who made sure that the drive

received regular lubrication. The details of this important job are 

the subject of this manual.

NAMEPLATE — 

Operate Falk gear drives only at horsepower, speed 

and ratio shown on nameplate. Before changing any one of these,

submit complete nameplate data and new application conditions to

the Factory for correct oil level, parts and application approval.

DISASSEMBLY AND ASSEMBLY —

 Disassembly & assembly

instructions and parts guides are available from the Factory or

Falk Representatives. When requesting information, please give

complete data from the nameplate on the gear drive; Model,

M.O.Number, Date, RPM, and Ratio.

WARNING

:

 

Consult applicable local and national safety codes

for proper guarding of rotating members. Lock out power source

and remove all external loads from drive before servicing drive

or accessories

.

Warranty

The Falk Corporation (the “Company”) warrants that, for a

period of one year from the date of shipment, the product

described herein will deliver successfully its rated output as

indicated on the nameplate, provided, it is properly installed

and maintained, correctly lubricated, and operated in the

environment and within the limits of speed, torque or other load

conditions for which it was sold. Such product is expressly not

warranted against failure or unsatisfactory operation resulting

from dynamic vibrations imposed upon it by the drive system in

which it is installed unless the nature of such vibrations has been 

fully defined and expressly accepted in writing by the Company

as a condition of operation.

Installation Instructions

The following instructions apply to standard Falk Type GHB, Y,

YB & YBX drives shown above. If a drive is furnished with special 

features, refer to the supplementary instructions shipped with the 

drive.

WELDING — 

Do not weld on the gear drive or accessories

without prior approval from The Falk Corporation. Welding on

the drive may cause distortion of the housing or damage to the

bearings and gear teeth. Welding without prior approval could

void the warranty.

EFFECTS OF SOLAR ENERGY —

 If the gear drive operates in

the sun at ambient temperatures over 100

°

F(38

°

C), then special

measures should be taken to protect the drive from solar energy.

This protection can consist of a canopy over the drive or reflective

paint on the drive. If neither is possible, a heat exchanger or other

cooling device may be required to prevent the sump temperature

from exceeding the allowable maximum.

HORIZONTAL MOUNTING —

 Mount gear drive with base

horizontal, unless it has been specifically ordered for mounting

in another position. If it is necessary to mount the drive in a

different position from that for which it was ordered, consult The 

Falk Corporation for changes necessary to provide

proper lubrication.

NON-HORIZONTAL MOUNTING —

 For gear drives with

non-horizontal mounting, including tilted, vertical and wall

mounted, refer to instructions provided with the drive for oil

levels and bearing lubrication.

The Falk Corporation, a Sundstrand Company, P.O. Box 492, Zip 53201-0492 

148-050

3001 W. Canal St., Zip 53208-4200, Milwaukee, WI USA Telephone : 414-342-3131 April 1999
Fax: 414-937-4359 e-mail: [email protected] web: www.falkcorp.com

 Supersedes 4-89

Enclosed Gear Drives 

 Installation & Maintenance Instructions

Types GHB, Y, YB & YBX 

 Sizes 1080–1195 & 2050–2235 (Page 1 of 8)

Type Y Type YBX

Type YB Type GHB

Summary of Contents for GHB Series

Page 1: ...operated in the environment and within the limits of speed torque or other load conditions for which it was sold Such product is expressly not warranted against failure or unsatisfactory operation re...

Page 2: ...ported to prevent distortion of housing when drive is bolted down After drive is aligned with driven equipment and bolted down align prime mover to drive input shaft Refer to Page 3 for coupling align...

Page 3: ...NOT assembled when gear drives are furnished with backstops After completing the electrical connection check motor and gear drive shaft rotations Then complete alignment and assembly of coupling Fast...

Page 4: ...icant change intervals The proper viscosity grade of synthetic lubricant is given in Table 4 WARNING SYNTHETIC LUBRICANTS IN FOOD PROCESSING INDUSTRY Synthetic lubricants may contain toxic substances...

Page 5: ...Oil 320 Shell Oil Co Turbo T46 Turbo T68 Morlina 100 Morlina 150 Morlina 220 Morlina 320 Morlina 460 Shell Canada Ltd Tellus 46 Tellus 68 Tellus 100 Tellus 150 Tellus 220 Tellus 320 Texaco Lubricants...

Page 6: ...wly pumping fresh bearing grease thru the seal WITH A HAND GREASE GUN until fresh grease flows out along the shaft Wipe off purged grease CAUTION Rapid regreasing with a power grease gun can force gre...

Page 7: ...2070 2135 32 68 2 100 3 220 5 YBX3 50 135 2070 2135 32 68 2 150 4 220 5 YBX2 140 195 2140 2195 32 68 2 150 4 220 5 YBX3 140 195 2140 2195 32 68 2 220 5 320 6 Parallel Shaft Sleeve and Roller Bearings...

Page 8: ...r flow LUBRICANT CHANGES Refer to Page 4 BEARING SEAL GREASES Refer to Page 6 Stored Inactive Gear Drives Each gear drive is protected with rust preventive that will protect parts against rust for a p...

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