Greenlee Quick Draw 90 7906SB User Manual

999 8832.1 © 1997 Greenlee Textron IM 1024 REV 6 7/97
OPERATION, SERVICE AND PARTS
INSTRUCTION MANUAL
7904SB/7906SB
QUICK DRAW 90
™
HYDRAULIC PUNCH DRIVER
For units with serial code “WV”
Read and understand this material before operating
or servicing this equipment. Failure to understand how
to safely operate this tool could result in an accident
causing serious injury or death.
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Greenlee Quick Draw 90 7906SB Specifications

General

Model	7906SB
Product Name	Quick Draw 90
Brand	Greenlee
Bending Angle	Not Applicable
Capacity Aluminum	2" conduit
Hydraulic Ram	Integral

Summary

Important Safety Instructions

Understanding Safety Alerts

Explains the meaning of DANGER, WARNING, and CAUTION symbols for hazard communication.

General Operation Warnings

Covers critical warnings regarding electrical hazards, tool capacity, and safe operating practices.

Tool Inspection and Usage Precautions

Highlights the importance of inspecting the tool for damage and using appropriate safety gear like eye protection.

Specifications

Mechanical and Hydraulic Data

Provides detailed mechanical dimensions, handle force, and hydraulic operating parameters.

Fluid Compatibility and Operating Conditions

Specifies recommended fluids, compatibility, and operating temperature/position limits.

Capacity and Draw Stud Selection Guide

Material and Size Capacities

Details the tool's capacity for punching various materials and sizes, including steel and aluminum.

Stud and Accessory Compatibility

Illustrates compatible draw studs, adapters, and spacers for different punch sizes and applications.

Operation

Step-Up Punching Procedure

Guides the user through the process of step-up punching using a 1/2" pilot hole and 3/4" draw stud.

Using the Step-Saver Adapter

Details the procedure for using the 29451 draw stud and 31874 step-saver adapter for efficient punching.

Maintenance

Adding Hydraulic Oil

Provides step-by-step instructions for adding hydraulic oil and purging air from the system.

System Troubleshooting and Repair

Covers common issues like oil leaks, pressure build-up, and ram rotation, and general repair guidance.

Disassembly and Rebuilding Procedures

Details the steps for disassembling the pump and ram sections, and guidelines for rebuilding the unit.

Troubleshooting

Punching and Force Issues

Addresses problems like failure to punch, excessive force required, and pump pressure issues.

Piston and Leakage Problems

Covers issues such as the piston not returning and external oil leaks, with possible remedies.

Exploded View

Component Identification Diagram

Visual representation of all parts with numerical identifiers for easy reference.

Parts List

Component Part Numbers and Quantities

A comprehensive list of all parts with their corresponding part numbers, descriptions, and quantities.

Draw Studs and Accessories

Accessory Catalog Numbers

Lists catalog numbers, part numbers, and descriptions for draw studs and essential accessories.