Greenlee 77HP-G/6A User Manual

INSTRUCTION MANUAL
52047312 REV 3 © 2014 Greenlee Textron Inc. 6/14
77M-G, 77HP-G,
and 77HP-G/6A
Tone Generators
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.
Register this product at www.greenlee.com
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Greenlee 77HP-G/6A Specifications

General

Type	Hydraulic Pump
Model	77HP-G/6A
Manufacturer	Greenlee
Maximum Operating Pressure	10000 psi
Current Rating	15 A

Summary

Description

Safety Information

Safety Alert Symbol

Explains the use of symbols to call attention to hazards or unsafe practices.

Hazard Signal Words

Defines signal words (DANGER, WARNING, CAUTION) indicating hazard severity.

General Warnings

Lists electric shock hazards and precautions for unit operation.

Cautionary Notes

Highlights precautions for repair, temperature, and humidity.

Operation

Purpose of this Manual

Familiarizes personnel with safe operation and maintenance procedures.

Electric Shock Hazard during Operation

Warnings about voltages on test leads when plugged into modular jacks.

Identifying Tip and Ring (Polarity Test)

Procedure to test line polarity using LEDs.

Indicating Line Condition

How LEDs indicate line status (clear, busy, ringing).

Verifying Lines

Steps to verify lines using the tester and SHORT position.

Supplying Talk Power

Method to supply talk power to a dead line via series connection.

Sending Tone

Procedure for sending tone signals and selecting warble rates.

Testing for Continuity/Shorts

Using the SHORT position to test circuit continuity and shorts.

Specifications

Maintenance

Battery Replacement

Steps for replacing the unit's battery.

Cleaning

Recommended method for cleaning the instrument.

One-Year Limited Warranty