How To Use This Manual
This manual provides detailed instructions on installation,
maintenance, and parts identification for Falk Lifelign® gear
couplings, Types G62 & G66. 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
Balanced Couplings . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
Installation & Alignment Instructions . . . . . . . . . . . . . Pages 3-5
Bi-Annual & Annual Maintenance . . . . . . . . . . . . . . . . . Page 5
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 standard double engagement, Type G62
and standard single engagement, Type G66 couplings. Use
these couplings for horizontal applications. Consult the Factory
for vertical applications. DO NOT use single engagement Type
G66 couplings to compensate for offset misalignment.
IMPORTANT: Refer to Factory when couplings are mounted on
a floating shaft.
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
Sleeves have 1/8 NPT lube holes for sizes 1010G thru 1035G
and 1/4 NPT for sizes 1040G thru 1070G. Use a standard
grease gun and lube fittings.
LIMITED END FLOAT
Where limited end float is required or where sleeve bearing
motors are used, consult the Factory.
LUBRICATION
Adequate lubrication is essential for satisfactory operation.
Because of its superior lubricating characteristics and low
centrifuge properties, Falk Long Term Grease (LTG) is
highly recommended.
Gear couplings initially lubricated with Falk Long Term Grease
(LTG) will not require re-lubrication for up to three years.
The use of general purpose grease requires re-lubrication of the
coupling at least once every six months. If coupling leaks
grease, is exposed to extreme temperatures, excessive moisture,
experiences frequent reversals or axial movements; more
frequent lubrication may be required.
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.)
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
tooth mesh area of gear couplings resulting in premature mesh
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.
Although LTG grease is compatible with most other coupling
greases, the mixing of greases may dilute the benefits of LTG.
CAUTION:
Do not use LTG in bearings.
Do not use LTG for low
speed applications. Refer to Table 4, Page 5 for coupling speed
range of LTG grease.
Packaging
14 oz. (0,4 Kg) CARTRIDGES — Individual or case lots of 10
or 60.
35 lb. (16 Kg) PAILS, 120 lb. (54 Kg) KEG & 400 lb. DRUMS.
Specifications — Falk LTG (Long Term Grease)
TEMPERATURE RANGE — –20°F (–29°C) to 250°F (121°C).
Minimum pump = 20°F (–7°C).
MINIMUM BASE OIL VISCOSITY — 3300SSU (715cSt) @
100°F (38°C).
THICKENER — Lithium soap/polymer.
CENTRIFUGE SEPARATION CHARACTERISTICS —
ASTM
#D4425–84 (Centrifuge Test) — K36 = 2/24 max., very high
resistance to centrifuging.
NLGI GRADE (ASTM D-217) —
½
CONSISTENCY (ASTM D-217) — 60 stroke worked penetration
value in the range of 315 to 360 measured @ 77°F (25°C).
Rexnord Industries, LLC, Coupling Group
458-610
5555 S. Moorland Rd., New Berlin, WI 53151-7953 USA Telephone : 262-796-4060
September 1999 (PDF Revision)
Fax: 262-796-4064 e-mail: [email protected] web: www.rexnord.com
Supersedes 6-82
Falk™ Double & Single Engagement Gear Couplings
•
Install. & Maint.
Type G62 & G66
•
Sizes 1010 thru 1070G
(Page 1 of 6)
Type G62 & G66
