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INSTRUCTION MANUAL
441 Series
Cable Feeding Sheaves
Read and understand all of the instructions and
safety information in this manual before operating
or servicing this tool.
99977427 © 2019 Greenlee Tools, Inc. IM 978 REV 9 10/19
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441 Series Cable Feeding Sheaves
Greenlee Tools, Inc.
Description
Purpose of this Manual
Greenlee 441 Series Cable Feeding Sheaves are
designed to make cable pulling setup easier.
Safety
Safety is essential in the use and maintenance of
Greenlee tools and equipment. This instruction manual
and any markings on the tool provide information for
avoiding hazards and unsafe practices related to the
use of this tool. Observe all of the safety information
provided.
IMPORTANT SAFETY INFORMATION
SAFETY
ALERT
SYMBOL
This symbol is used to call your attention to hazards
or unsafe practices which could result in an injury or
property damage. The signal word, dened below,
indicates the severity of the hazard. The message
after the signal word provides information for preventing or avoiding the hazard.
This manual is intended to familiarize all personnel with
the safe operation and maintenance procedures for the
following Greenlee tool:
441 Series Cable Feeding Sheaves
Keep this manual available to all personnel.
Replacement manuals are available upon request at no
All specications are nominal and may change as design
improvements occur. Greenlee Tools, Inc. shall not be liable for
damages resulting from misapplication or misuse of its products.
Read and understand all of the
instructions and safety information in this manual before operating
or servicing this tool. This sheave
should only be operated by qualied
personnel.
Failure to observe this warning could
result in severe injury or death.
• Do not use with steel cable.
Immediate hazards which, if not avoided, WILL result
in severe injury or death.
Hazards which, if not avoided, COULD result in
severe injury or death.
Hazards or unsafe practices which, if not avoided,
MAY result in injury or property damage.
• Use in rated conduit size only.
• Never exceed cable manufacturer’s specications
on pulling force and radius of bend on cable being
pulled.
• Do not exceed the rated pulling force at specied
angle of pull. Exceeding limits could damage cable
and feeding sheave.
• Never stand in direct line of pull. Sheaves can sud-
denly come out of the conduit and cause injury.
Failure to observe these warnings could result in
severe injury or death.
Note: Keep all decals clean and legible, and replace
when necessary.
KEEP THIS MANUAL
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441 Series Cable Feeding Sheaves
Greenlee Tools, Inc.
Operation
Select the proper size feeding sheave and insert into the
feeding end of the conduit run. The feeding sheave will
help guide the cable and decrease friction throughout
the pulling operation.
When the pull is completed, the sheave can be removed
easily by sliding the cable through the opening in the
insert tube.
Typical Setups
Applications
Pulling
Direction
ABOVE GROUND
FOR FEEDING ONLY
UNOCCUPIED VAULT
The illustrations below show several ways that Greenlee
Cable Feeding Sheaves can save time and reduce
Angle
of Pull
ABOVE GROUND
Angle
of Pull
UNOCCUPIED VAULT
friction while pulling cable. Always refer to cable
specications for tension information.
Angle
of Pull
UNOCCUPIED VAULT
Angle
of Pull
UNOCCUPIED VAULT
Load Rating
Pulling
Direction
Angle
of Pull
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Angle
of Pull
15° 1750 1900 6050 8000 8000 8000 8000
30° 900 1000 3150 5050 7000 8000 8000
45° 650 700 2200 3550 5200 7400 7400
60° 500 550 1800 2900 4200 6000 6000
75° 450 500 1600 2600 3650 5500 5500
90° 450 500 1550 2500 3500 5250 5250
441-2" 441-2-1/2" 441-3" 441-3-1/2" 441-4" 441-5" 441-6"
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MAXIMUM PULLING LOADS (lb)
3
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Illustration
441 Series Cable Feeding Sheaves
2
4
3
1
441-2" through 441-4" 441-5" and 441-6"
4
4
3
1
2
Parts List
Key Description Qty Req. 441-2" 441-2-1/2" 441-3" 441-3-1/2" 441-4" 441-5" 441-6"
1 6" Sheave 1 50153625 50153625 50153625 50153625 50153625 50153625 50153625
2 Frame Unit 1 52073044 52073045 52073046 52073047 52073048 52077902 52073050
3 Sheave Pin 1 50251600 50251600 50251600 50251600 50251600 50251600 50251600
4 Pin Clip 2 90503023 90503023 90503023 90503023 90503023 90503023 90503023
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