Sperian MILLER Grip 497 Guide

Spring
Stop Sleeve
Return Wire Cleaning Bushing Spoons
Galvanized Thimble
Swag Trigger
Main Cable Wire Guide Conical End Fitting
Miller Fall Protection PH: 1-800-873-5242 FX: 1-800-892-4078 www.millerfallprotection.com
1”Miller Grip Anchorage
WARNING!!
All persons using this equipment must read and
understand all instructions. Failure to do so may
result in serious injury or death. If a fall occurs,
the Miller Grip must be disposed of according to
the manufacturer’s instruction.
IMPORTANT!!
Users should be familiar with pertinent regulations
governing this equipment. All individuals who use
this product must be correctly instructed on how to
use this device.
Operations and Instruction Manual
Miller Grip Anchorage - Model #497
Portable Concrete Anchorage Connector
ANSI Z359.1 10,000 lbs / 44kn
Manufactured Aug, 2007. Batch #033
1. Follow all manufacturer’s instructions.
2. Use only locking snap hooks or locking carabiners.
3. Always inspect your units prior to use.
4. Use the proper method of coupling to anchorage.
5. Always dispose of this unit after a fall has occurred.
6. Patch all holes with concrete when job is complete.
7. Pregnant women and minors must not use this product.
8. Designed safe working load is 2,000 lbs ( 8.8 KN ). Do not exceed this
weight when you pretension your Life Line System.
1” Miller Grip
Tested - ANSI Z359.1
Strength - 10,000 lbs / 44 KN
Model - Miller Grip #497
Color Coded Green Thimble
Miller’s 1” Fall Protection Miller Grips are to be used in concrete
substrate only. DO NOT use in steel, wood or any other substrate.
Miller Grips can be placed in:
* Horizontal surfaces * Horizontal Life Lines
* Vertical surfaces * Vertical life Line
* Overhead / ceiling surfaces
This product is to be used by qualified fall protection
personnel only. It is to be anchored in accordance with
manufacturer’s requirements in concrete substrate only.
Do not anchor in uncured/wet concrete.
The model Miller Grip #497 is color coded with a green
thimble, and is used for FALL PROTECTION ONLY. This
unit is not to be used in any other anchoring situation.
Concrete must have a compressive strength of at least
3,000 PSI (20.7MPa)
Made in the USA

Warning!!
Do not use incompatible connectors with
any Miller Grip Anchorage. Refer to separate instructions
supplied with your anchorage connectors.
1”
Miller Grip
Use for Fall
Protection Only
Batch # 001
Manufactured on
00/00/0000
Model Miller Grip #499
Tested
ANSI Z359.1
WARNING!
You must read the
operations manual
before using this
product. Only qualified
fall protection
personnel should use
this product.
Company Logo
Hole Diameter/Size
Model Number
Manufactured Date
Product Use
Batch Number
Product Name
ANSI Z359.1 Mark
Warning Instructions
Test Statement
IMPORTANT!!!
Do not drill a hole closer then 10” from any corner.
The concrete substrate must be at least 20” wide and 10” thick.
Main Cable 7x 19 Galvanized Cable Return Wire 1x19 Galvanized Cable
Rotary Swage 304 Stainless Steel Trigger 6061 T6 Aluminum
Spoons 304 Stainless Steel Spring Zinc Coated Spring Steel
Cleaning Bushing 304 Stainless Steel Swage Zinc Coated Copper
Stop Sleeve 304 Stainless Steel Thimble Color Coded Green
• Drill a 1” diameter hole at least 4-1/2” deep.
• Use recommended drill type and size.
• Blow hole clean with compressed air.
• Drill hole straight into substrate.
• When reusing a previously drilled hole always inspect the hole carefully.
• Insert unit 4-1/2 inches deep into hole.
• Set the unit with a slight tug on the anchor loop.
• The stop sleeve must always be partially inserted into the hole.
• Always inspect a previously drilled hole for deformation. Drill another
proper hole if needed.
• Inspect the unit for damage each time you use it. If damage has occurred,
dispose of unit.
• Always dispose of unit after a fall has occurred.
• Never lend your unit to other workers.
• Never rely on a unit placed by unqualified workers.
• Remove your unit at the end of each day.
• Never leave a unit inserted in a hole overnight.
• Never drill hole closer than 10” to any edge or corner.
Only use industrial grade rotary hammer
drills and drill bits.
DO NOT USE masonry drill bits
Inspection:
1. Make sure unit is straight and operates smoothly.
2. Make sure the label is affixed to unit.
3. Make sure trigger stop is not bent or damaged.
4. Make sure cables are not kinked, frayed or damaged.
5. Make sure metal components are not damaged.
6. Make sure metal spoons and conical end fitting operate
smoothly and no metal burrs have occurred.
7. When reusing a previously drilled hole, always inspect the
hole carefully.
Storage and Cleaning:
1. Blow off unit after each use with compressed air.
2. Store in clean dry environment.
3. Store in secure locked area.
4. Store and put away at the end of each day’s work.
5. Do not pile any objects on top of unit during storage.
6. Keep unit free of grease, oils and dirt.
7. Never lend your unit to other workers.
Disposal:
1. Dispose of unit after any fall has occurred.
2. Dispose of unit if cable becomes kinked or bent.
3. Dispose of unit if trigger stop is bent or damaged.
4. Dispose of unit if trigger action is rough or sticky.
5. Dispose of unit if return wire becomes bent or frayed.
6. Proper disposal requires the unit’s spoons be cut off the
return wires and thrown away.
It is important that you drill your Miller Grip hole to the
manufacturer’s required depth and hole structure. All
holes must be 1” in diameter and drilled at least 4-1/2”
into the substrate and the bored hole walls must be
straight and parallel. NOTE: The bored hole must be of
uniform diameter and free of peaks and valleys on the
inner wall surfaces. Only use quality industrial grade
rotary hammers and rotary hammer drill bits.
NEVER USE A BENT DRILL BIT!!

Typical Installation of 497 Concrete
Horizontal Lifeline
This illustration demonstrates a Model #DF497 Temporary Horizontal Life Line
being used with two Model #497 - 10,000 lb Miller Grips
Anchorage Connectors drilled and properly installed at each end.
For more information or to place an order for the Model # DF497 Temporary
Horizontal Life Line, please contact your Miller Distributor.
NOTE: Refer to manufacturer’s instructions of any Horizontal or Vertical Life
Line System for preload specifications and installations.
When placing a Miller Grip, Place your thumb inside the anchor loop and your first two fingers around the trigger. Retract the trigger
until the spring bottoms out. With your other hand, pinch the two spoons between your thumb and index finger. IMPORTANT; Make
sure the cleaning bushing is not wedged between the two spoons. Hold the trigger fully retracted while inserting the unit into bottom of
the hole. DO NOT force the unit into the hole. Insert the unit slowly and gently.
If a RB becomes stuck, insert a punch, screwdriver or
pointed object into the hole until the tip rests on the striker
plate Give a LIGHT, blunt tap with a hammer or heavy
object. The Striker Plate will be easily visible at the edge of
the hole.
RB Anchor inserted
into a 4-1/2” hole
The metal Stop Sleeve
must be inserted half
way into the hole.
Drill a straight 1” diameter hole 4 -1/2” deep into your substrate.