User Manual
Table Of Contents
- Technical Support
- Preface
- Introduction
- Overview Reference
- Series 647 Hydraulic Wedge Grips Component Identification
- Series 647 Hydraulic Wedge Grips Functional Description
- About Gripping Specimens
- About Wedges
- About Spiral Washers
- About Couplings
- About All Temperature Grips
- About Environmental Chambers
- Hydraulic Fluid Recommendations
- Cooling Water Specifications
- Series 647 Wedge Grip Temperature Ranges
- Series 647 Hydraulic Wedge Grip Force and Torque Capacities
- Safety
- General Safety Practices: Grips and Fixtures
- Read all manuals
- Avoid Pinch and Crush Points
- Locate and read hazard placards/labels
- Know facility safe procedures
- Know controls
- Know Specimen Properties
- Have first aid available
- Be aware of component movement with hydraulics off
- Keep bystanders safely away
- Wear proper clothing
- Remove flammable fluids
- Check bolt ratings and torques
- Lift Equipment Safely
- Practice good housekeeping
- Do not exceed the Maximum Supply Pressure
- Do not disable safety devices
- Provide adequate lighting
- Provide means to access out-of-reach components
- Wear appropriate personal protection
- Handle chemicals safely
- Know system interlocks
- Know system limits
- Do not disturb sensors
- Ensure secure cables
- Stay alert
- Contain small leaks
- Stay clear of moving equipment/avoid crush points
- Know the causes of unexpected actuator motions
- General Precautions for Environmental Components
- Hazard Placard Placement
- General Safety Practices: Grips and Fixtures
- Installation
- Operation
- Maintenance

DescriptionItem
Rebar specimen1
Aluminum insert2
Wedge3
Install Model 647.250 Wedges and Liners
Several different wedges are available for the Model 647.250 Grips. There are v-wedges for round specimens
and wedges for flat specimens. Liners are available to accomodate speciments of different thicknesses or
diameters.
Install Model 647.250 Wedges
Note:
The callouts in the following figure relate to the procedure steps.
1.
Warning:
The wedges can be heavy, which can make handling them awkward.
Dropping a wedge can cause injury to personnel and damage to equipment.
Ensure that you take appropriate precautions while moving and positioning the wedges and
their components.
86 Series 647 Hydraulic Wedge Grips Reference Manual
Operation