Falk
®
Steelflex
®
Couplings
•
Installation & Maintenance
Type T10 • Sizes 1150 – 1260 & 150 – 260 (Page 1 of 6)
Rexnord
428-112
5555 S. Moorland Rd., New Berlin, WI 53151-7953 USA
March 2014
Telephone: 262-796-4060 Fax: 262-796-4064 web: www.rexnord.com
Supersedes 4-05
How To Use This Manual
This manual provides detailed instructions on maintenance,
lubrication, installation, and parts identification. Use the
table of contents below to locate required information.
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . Page 1
Lube Fittings . . . . . . . . . . . . . . . . . . . . . Page 1
Limited End Float. . . . . . . . . . . . . . . . . . . Page 1
Lubrication . . . . . . . . . . . . . . . . . . . . Pages 1-2
Installation & Alignment Instructions . . . . . . . Pages 2-4
Annual Maintenance, Relube & Disassembly . . . . Page 4
Installation & Alignment Data . . . . . . . . . . . . Page 5
Parts Identification & Parts Interchangeability . . . . Page 6
CAREFULLY FOLLOW THE INSTRUCTIONS IN THIS
MANUAL FOR OPTIMUM PERFORMANCE AND
TROUBLE FREE SERVICE
.
INTRODUCTION
This manual applies to Sizes 1150T thru 1260T and 150T
thru 260T Falk SteelfIex Tapered Grid Couplings. Unless
otherwise stated, information for Sizes 1150T thru 1260T
applies to Sizes 150T thru 260T respectively, e.g. 1150T =
150T, 1260T = 260T, etc. These couplings are designed to
operate in either the horizontal or vertical position without
modification.
The performance and life of the couplings depend largely
upon how you install and service them. Carefully follow the
instructions in this manual for optimum performance and
trouble free service.
CAUTION:
Consult applicable local and national safety
codes for proper guarding of rotating members. Observe
all safety rules when installing or servicing couplings.
WARNING:
Lockout starting switch of prime mover and
remove all external loads from drive before installing or
servicing couplings.
LUBE FITTINGS
Cover halves have 3/8 NPT Iube holes. Use a standard
grease gun and Iube fitting as instructed on Page 4.
LIMITED END FLOAT
When electric motors, generators, engines, compressors
and other machines are fitted with sleeve or straight roller
bearings, limited axial end float kits are recommended for
protecting the bearings. Falk Steelflex couplings are easily
modified to limit end float; refer to Manual 428-820 for
instructions.
LUBRICATION
Adequate lubrication is essential for satisfactory
operation. Page 2 provides a list of typical lubricants and
specifications for general purpose and long term greases.
Because of its superior lubricating characteristics and
low centrifuge properties, Falk Long Term Grease (LTG) is
highly recommended.
The use of general purpose grease requires re-lubrication
of the coupling at least annually.
Long Term Grease (LTG)
The high centrifugal forces encountered in couplings
separate the base oil and thickener of general purpose
greases. Heavy thickener, which has no lubrication
qualities, accumulates in the grid-groove area of Steelflex
couplings resulting in premature hub or grid failure unless
periodic lubrication cycles are maintained.
Falk Long Term Grease (LTG) was developed specifically
for couplings. It resists separation of the oil and thickener.
The consistency of Falk LTG changes with operating
conditions. As manufactured it is an NLGI #1/2 grade.
Working of the lubricant under actual service conditions
causes it to become semifluid while the grease near
the seals will set to a heavier grade, helping to prevent
leakage.
LTG is highly resistant to separation, easily out performing
all other lubricants tested. The resistance to separation
allows the lubricant to be used for relatively long periods
of time.
Steelflex couplings initially lubricated with LTG will not
require re-lubrication until the connected equipment
is stopped for servicing. If a coupling leaks grease, is
exposed to extreme temperatures, excessive moisture, or
experiences frequent reversals, more frequent lubrication
may be required.
Although LTG grease is compatible with most other
coupling greases, the mixing of greases may dilute the
benefits of LTG.
USDA Approval
LTG has the United States Department of Agriculture Food
Safety & Inspection Service approval for applications
where there is no possibility of contact with edible
products. (H-2 ratings).
CAUTION:
Do not use LTG in bearings.
TYPE T10 STEELFLEX COUPLING
