WOOD'S POWR-GRIP LW185 User manual

Rev 6.0/11-21 LW185: #350401
INTENDED FOR USE BY SKILLED
PROFESSIONALS • READ AND
UNDERSTAND BEFORE OPERATING
OPERATING
INSTRUCTIONS 908 W. Main • P.O. Box 368
Laurel, MT USA 59044
800-548-7341 (phone)
406-628-8231 (phone)
406-628-8354 (fax)
www.WPG.com
Record serial number in blank space above (to locate, see serial
label on the product).
LADDER LIFT
Model number: LW185
KEEP FOR FUTURE REFERENCE

LW185: #35040 Rev 6.1/12-212

Rev 6.1/12-21 LW185: #350401
SPECIFICATIONS .....................................................................................3
SAFETY...................................................................................................4
OPERATING FEATURES............................................................................5
ASSEMBLY..............................................................................................6
INTENDED USE .....................................................................................10
LOAD CHARACTERISTICS...............................................................................10
OPERATING ENVIRONMENT..........................................................................10
OPERATION..........................................................................................11
BEFORE USING THE LADDER LIFT ..................................................................11
Taking Safety Precautions .................................................................................................11
Performing Inspections and Tests .....................................................................................11
TOATTACH THE LIFTING HOOK TO ALOAD .....................................................12
TOLIFT ALOAD .........................................................................................13
TOLOWER ALOAD .....................................................................................14
AFTER USING THE LADDER LIFT ....................................................................15
Storing the Ladder Lift ......................................................................................................15
INSPECTIONS AND TESTS......................................................................16
INSPECTION SCHEDULE ................................................................................16
TESTING ...................................................................................................17
Operational Tests ..............................................................................................................17
Load Test ...........................................................................................................................17
MAINTENANCE ....................................................................................18
WIRE ROPE MAINTENANCE .........................................................................18
Correct Use and Care ........................................................................................................18
Daily Inspection ................................................................................................................18
Periodic Inspection ...........................................................................................................18
WINCH MAINTENANCE ...............................................................................19
PULLEY MAINTENANCE ...............................................................................19
LADDER MAINTENANCE...............................................................................19
REPLACEMENT PARTS...........................................................................20
LIMITED WARRANTY ............................................................................21
TABLE OF CONTENTS

LW185: #35040 Rev 6.1/12-212
TOOBTAIN REPAIRS OR WARRANTY SERVICE...................................................21
WINCH MANUFACTURER’S INFORMATION...........................................22
TABLE OF CONTENTS

Product
Description
The Ladder Lift attaches to the rungs of a ladder, with the pulley assembly on top and the winch
assembly near the bottom, to enable window installations above ground level.
Model
Number LW185
Maximum
Load Capacity 185 lbs [85 kg]
Maximum
Lift Height 30' [9.1 m]
Product
Weight 35 lbs [16 kg] (not including ladder)
Winch Unit
Dimensions 15" x 17¼" x 11" [38 cm x 44 cm x 28 cm]
Pulley Unit
Dimensions 4½" x 15½" x 11" [11 cm x 39 cm x 28 cm]
Ladder
Requirements ANSI Type IAA, rated to 375 lbs [170 kg] capacity
Rev 6.1/12-21 LW185: #350403
SPECIFICATIONS

LW185: #35040 Rev 6.1/12-214
SAFETY
Wear personal protective
equipment that is appropriate for
the load material. Follow trade
association guidelines.
Do not remove or obscure safety
labels.
Do not make any modifications to
the Ladder Lift (see “LIMITED
WARRANTY”).
Use the Ladder Lift only in an
approved “OPERATING ENVIRONMENT”
(see “INTENDED USE”).
Do not use a Ladder Lift that is
damaged, malfunctioning, or
missing parts.
Do not exceed the Maximum
Load Capacity or lift loads the
Ladder Lift is not designed for
(see “INTENDED USE”).
Do not use a Ladder Lift to lift
cracked or broken glass.
Do not use the Ladder Lift if
the Maximum Load Capacity
or any safety label appears to
be missing or obscured.
Keep unauthorized personnel away
from the Ladder Lift, to avoid injury
in case of an unintended load
release.
Do not lift a load higher than
necessary or leave suspended loads
unattended.
Do not allow anyone to sit or stand
on any components of the Ladder
Lift, the ladder or the load being
lifted.
Do not position a loaded or
unloaded lifter over people.

Rev 6.1/12-21 LW185: #350405
Features shown here are underlined on their first appearance in each section following.
1 PULLEY 2 LIFTINGHOOK
3WIREROPE 4 HAND WINCH
5 PULLEY UNIT 6 WINCH UNIT
For information about specific parts, see “REPLACEMENT PARTS” or “WINCH MANUFACTURER’S
INFORMATION”.
OPERATING FEATURES

LW185: #35040 Rev 6.1/12-216
ASSEMBLY
1) Remove all shipping materials and save them with the shipping container for future use.
2) Select a ladder that meets all Ladder Requirements (see “SPECIFICATIONS” on page 3)
and set it on the ground.
3) Install the Ladder Lift’s handle on the hand winch:
3.1)
3A 3B
Remove the
5/8 -11 hex
nut and 5/8"
flat washer
that were
installed in
place of the
handle
during
shipping
(figs. 3A-B).
3.2)
3C 3D
Mount the
winch handle
on the winch
and secure
with the
supplied
hardware
(fig. 3C).
Note: The winch handle assembly includes a spacer (arrow in fig. 3D) instead of the
spring designated as item E in the manufacturer’s provided illustration (see “WINCH
MANUFACTURER’S INFORMATION”).

Rev 6.1/12-21 LW185: #350407
4) Attach the Ladder Lift's winch unit and pulley unit to the ladder:
4.1)
4A
4B
Make sure the
combined units are
resting on a stable
surface. Then
remove all
cotterless hitch pins
from the rung
supports (figs. 4A
and inset, and 4B).
4.2)
4C
Crank the hand winch
counterclockwise (fig. 4C), to
slacken the wire rope until the
winch unit can be positioned
on the ladder.
ASSEMBLY

LW185: #35040 Rev 6.1/12-218
4.3)
4D
Hook the winch unit on the rungs
above the base of the ladder.
Note: Position the winch unit at a
height that allows comfortable use of
the winch.
Then reinsert the hitch pins on its rung
support, to secure (fig. 4D).
4.4)
4E
Continue to slacken the wire rope until
the pulley unit can be positioned on
the desired ladder rungs (see step 4.2).
Then hook the pulley unit on the rungs
and reinsert the hitch pins on its rung
support, to secure (fig. 4E).
4.5)
5A4F
Remove the cotterless hitch pin that
secures the lifting hook (fig. 4F), so the
hook can be lowered to attach a load.
ASSEMBLY

Never allow anyone to scale any ladder
equipped with a Ladder Lift.
Rev 6.1/12-21 LW185: #350409
5)
5A
Lean the ladder against the building where you intend
to use the Ladder Lift (fig. 5A).
Never place base of ladder more than 1/4
of its length from building.
When the Ladder Lift is in position, the distance from
the base of the ladder to the building should be 1/4
the length of the extended ladder.1For maximum
stability, the operator should locate the base of the
ladder out as far as possible without exceeding this
relationship. If the ladder were positioned past 1/4 of
its extended length from the building, this could cause
the ladder to slide out, possibly resulting in injury or
damage to the Ladder Lift or the load.
Note: For extension ladders, slacken the wire rope as
needed to allow extension of the ladder to the desired
length. Whenever the extension length is subsequently
reduced, remove the wire rope’s slack accordingly.
6) Perform tests as required under “TESTING”.
Winch brake may require a short break-in
period to workproperly.
Note: Do not attempt to lift or lower
a load unless the hand winch’s brake
is functioning correctly (see “TOLIFT
ALOAD”).
1..... For example, the base of a 24-foot [731-centimeter] extended length ladder should be 6ˈ[182 cm] from the building.
ASSEMBLY

LW185: #35040 Rev 6.1/12-2110
INTENDED USE
LOAD CHARACTERISTICS
Do NOT lift explosives, radioactive
substances or other hazardous materials.
Make sure the Ladder Lift is intended to
handle each load, given these
restrictions:
• The load weight must not exceed the Maximum Load Capacity.
• The load must not contact the ladder while being lifted.
Note: If a load would contact the ladder by rotating while suspended from the wire rope,
it should be restrained using a guide rope or other appropriate means.
OPERATING ENVIRONMENT
Make sure the Ladder Lift is intended for use in each work environment, given these
restrictions:
•
Never use Ladder Lift in dangerous
environments.
Never use Ladder Lift near power
transmission lines; it conducts electricity.
The Ladder Lift is not intended for
any environment that is dangerous
to the operator or damaging to the
Ladder Lift. Avoid environments
containing explosives, caustic
chemicals and other dangerous
substances.
• The Ladder Lift is not designed to be waterproof. Do not use it in rain or other unsuitable
conditions.
Moisture reduces slip resistance of ladder
feet.
Note: Moisture on the ground
diminishes the ladder’s slip
resistance and, in the absence of
adequate reinforcement of the
ladder’s feet, constitutes an unacceptably dangerous condition. Refer to the ladder
manufacturer’s instructions about safe working conditions.

Rev 6.1/12-21 LW185: #3504011
OPERATION
BEFORE USING THE LADDER LIFT
Determine whether the Ladder Lift is capable of each intended task (see “SPECIFICATIONS”
and “INTENDED USE”). Then complete the following preparations:
Taking Safety Precautions
•
Read all directions and safety rules,
including those provided by the ladder
manufacturer, before using Ladder Lift.
Always wear appropriate personal
protective equipment.
Be trained in all industry and
regulatory standards for winch
operation in your region.
• Follow trade association guidelines
about precautions needed for each
load material.
Performing Inspections and Tests
Follow the “INSPECTION SCHEDULE”and “TESTING”.

LW185: #35040 Rev 6.1/12-2112
TOATTACH THE LIFTING HOOK TO ALOAD
Never use Ladder Lift to pull
or drag load sideways.
1)
1A
Position the lifting hook just above the
load. Then center the load beneath the
hook (fig. 1A).
2)
2B
2C 2D
2A
Remove the locking pin from the
restraining latch on the lifting hook (fig.
2A). Clip the load’s rigging or lift point into
the lifting hook, making sure the restraining
latch flips back into place (figs. 2B-C).
Always use locking pin to secure
restraining latch on lifting hook
before lifting load.
Then reinsert the locking pin, to secure the
restraining latch (fig. 2D).
OPERATION

Rev 6.1/12-21 LW185: #3504013
TOLIFT ALOAD
Never allow anyone to scale any ladder
equipped with Ladder Lift.
Caution: Make sure the load is ready for lifting and will not slide or swing once tension is
applied to the rope. Make sure the load will not encounter any obstructions on the way up to
its installation point.
1)
1A 1B
Crank the hand
winch clockwise
(fig. 1A) as needed
to remove slack in
the wire rope,
making sure the
rope does not
become tangled.
Then continue
cranking until the
winch gradually
lifts the load ; you
should hear “clicks”
that indicate the
automatic brake is
properly engaged.1
Caution: If
necessary, use a
guide rope (fig. 1B)
or other
appropriate means
to prevent the load
from rotating.
1..... The hand winch requires a minimum load of 50 lbs [23 kg] for the automatic braking feature to work correctly (see “WINCH MANUFACTURER’S
INFORMATION”).
OPERATION

LW185: #35040 Rev 6.1/12-2114
2)
Never leave suspended
load unattended.
When the load is only a few inches off the ground, stop
cranking the winch and verify that the brake will hold
the load in place.
3) Resume cranking the winch until the load has reached the desired height, making sure
not to exceed the Maximum Lift Height (see “SPECIFICATIONS” on page 3).
Caution: Avoid cranking the winch too aggressively, which could result in shaking the
Ladder Lift.
Never force
winch to
overcome obstacles
or snagged rope.
Caution: If cranking the hand winch becomes significantly more
difficult at any time during the lift, discontinue cranking. Forcing
the winch could result in injury or damage to the Ladder Lift or
the load. Identify the source of the resistance and resolve it
before continuing.
1B
1A
TOLOWER ALOAD
Follow the same safety guidelines as
when raising a load (see “TOLIFT ALOAD”),
and crank the hand winch
counterclockwise (fig. 1A) until the load
rests securely on the ground (fig. 1B) or a
stable support. Make sure to lower an
unloaded lifting hook the same way.
OPERATION

Rev 6.1/12-21 LW185: #3504015
AFTER USING THE LADDER LIFT
1) If there is a load attached to the Ladder Lift, remove the load.
2) Move the ladder away from the wall.1Then set the ladder on the ground.
Note: Make sure the pulley unit and winch unit face upward when the ladder is set on the
ground.
3) Remove the cotterless hitch pins from the rung supports.
4) Remove the units from the ladder.
5) Reinstall the pins in the rung supports.
6) Secure the lifting hook (see step 4.5in “ASSEMBLY”).
7) Retract the wire rope until the pulley and winch units contact each other,making sure the
rope avoids contact with the ground.
Storing the Ladder Lift
Store the Ladder Lift in a clean, dry location. If necessary, cover it to prevent contamination,
corrosion or deterioration of the wire rope.
1..... For extension ladders, it is acceptable to use the Ladder Lift’s pulley system to retract the extension beforehand.
OPERATION

LW185: #35040 Rev 6.1/12-2116
INSPECTIONS AND TESTS
INSPECTION SCHEDULE
Perform inspections according to the following frequency schedule. If any fault is found, correct
it and perform the next most frequent inspection before using the Ladder Lift.
Examine wire rope, pulley and hand winch
for damage, rust or debris.3
Examine ladder and weldments of winch
unit and pulley unit for visual damage.4
4...... Additionally, see the ladder manufacturer’s instructions about inspecting the ladder and evaluating possible damage.

Check for unusual vibrations, noises or
winch resistance during use. 
Inspect wire rope as directed in “Daily
Inspection”.
Examine hand winch for conditions
requiring service (see “WINCH
MANUFACTURER’S INFORMATION”).
 
• looseness, excessive wear or excessive
corrosion
• deformation, cracks, dents to structural
or functional components
• any other hazardous conditions

Note: If a Ladder Lift is used less than 1 day in a 2-week period, perform the Periodic Inspection
before using it.
Action Every Lift Daily Frequent1
(every 20-40 hrs)
1...... The Frequent Inspection is also required whenever the Ladder Lift has been out of service for 1 month or more.
Periodic2
(every 250-400 hrs)
2...... The Periodic Inspection is also required whenever the Ladder Lift has been out of service for 1 year or more. Keep a written record of all Periodic
Inspections. If necessary, return the Ladder Lift to WPG or an authorized dealer for repair (see “LIMITED WARRANTY”).
3...... See “WIRE ROPE MAINTENANCE”for more information.
Examine entire Ladder Lift for evidence of:

Rev 6.1/12-21 LW185: #3504017
1) Place a test load with appropriate “LOAD CHARACTERISTICS”on a stable support.
2) Attach the load to the Ladder Lift as previously directed.
3) Take precautions in case
load should fall during test.
Raise the load to a minimal distance as previously
directed.
4) Release the handle of the hand winch, to make
sure the load is supported by the Ladder Lift.
5) Lower the load a minimal distance. Then repeat step 4.
6) Never use Ladder Lift
that has failed test.
Allow the Ladder Lift to hold the load for 5 minutes. The
load must not slip or fall during this time period. If it
does, perform a Periodic Inspection of the Ladder Lift.
Make sure to inspect the winch as indicated under
“WINCH MANUFACTURER’S INFORMATION”.Correct any deficiency that is found and
retest the Ladder Lift.
7) Prepare a written report of the test and keep it on file.
1..... An equivalent simulation may also be used. Contact WPG for more information.
2..... ASME Standard B30.6 requires the Ladder Lift to be tested to not less than 100% and not more than 110% of its Maximum Load Capacity.
INSPECTIONS AND TESTS
TESTING
Perform the following tests before placing the Ladder Lift in service initially,following any
repair,when directed in the “INSPECTION SCHEDULE”,or whenever necessary:
Operational Tests
Test all features and functions of the Ladder Lift (see “OPERATING FEATURES” and
“OPERATION”).
Load Test1
Confirm that the Ladder Lift can lift at least 100% of its Maximum Load Capacity:2

LW185: #35040 Rev 6.1/12-2118
MAINTENANCE
WIRE ROPE MAINTENANCE
Correct Use and Care
Lubricate the wire rope on a regular basis, to reduce internal friction and prevent corrosion.
When the rope is in use, prevent the ground or other objects from scraping, nicking, crushing or
inducing sharp bends in the rope. The rope should never be dragged, especially through dirt,
mud or water.
Daily Inspection
Examine the portion of wire rope used in daily service and replace the rope immediately upon
finding any of the following forms of obvious visual damage:
• Kinking, crushing, unstranding, birdcaging, or core protrusion
• Rust or other corrosion
• Displacement of the main strand, or cuts or breaks in any strand
If there is concern that the rope could be too worn or unsafe for any reason, a more thorough
Periodic Inspection should be performed.
Periodic Inspection
The entire length of wire rope (including lifting hook, thimble and wire clamp) must be
inspected by a qualified person.1This person must note any wear indicating a loss in strength,
and judge whether further use of the rope constitutes a hazard. Such wear may include, but is
not limited to. ...
• Damage outlined in the Daily Inspection.
• Reduction of rope diameter below nominal (5/32" [4 mm]) from loss of core support,
internal or external corrosion, or wear of the outside wires.
• Severely corroded or broken wires at the end connections.
• Severely corroded, cracked, bent, worn or improperly applied end connections.
1..... A “qualified person” has successfully demonstrated the ability to solve problems relating to the subject matter and work, either by possessing a
recognized degree in an applicable field or a certificate of professional standing, or by possessing extensive knowledge, training and experience.
The qualified person must keep a written of the Periodic Inspection.