Hardy HI HLPT User Manual

HI HLPT SERIES

LOAD POINT ASSEMBLIES

OPERATION AND INSTALLATION

MANUAL

Corporate Headquarters

9440 Carroll Park Drive, Ste. 150
San Diego, CA 92121
Phone: [phone]
FAX: [phone]
Web-Site: http://www.hardysolutions.com

Hardy Process Solutions Document Number: 0596-0239-01 Rev F

Copyright 2012 Hardy Process Solutions, Inc. All Rights Reserved. Printed in the U.S.A. (941028)

Local Field Service

Hardy has over 200 field technicians in the U.S., and more positioned throughout the
world to assist you in your support needs. We also have factory engineers who will
travel to your facility anywhere in the world to help you solve challenging applica­tions. We're ready to support you with:

• Installation and

• Routine maintenance and certification

• Plant audits and performance

• Emergency tr

To request Emergency Service and Troubleshooting, Start-up, Installation, Calibra­tion, Verification or to discuss a Maintenance

Option 3 or Emergency Service after hours (Standard Hours 6:00 AM to 6:00 PM

Pacific Standard Time) and weekends

start-up

measurement

oubleshooting and repair

Agreement please call 800-821-5831

Ext. 1111.

Outside the U.S

Hardy Instruments has built a network of support throughout the globe. For specific
field service options available in your area please contact your local sales agent or our

U.S. factory at [phone].

1-2

Table of Contents

Table of Contents - - - - - - - - - - - - - - - - - - - - i

General Information - - - - - - - - - - - - - - - - - - - - - -1
Unpacking - - - - - - - - - - - - - - - - - - - - - - - - - - -1
Site Preparation - - - - - - - - - - - - - - - - - - - - - - - -2
Precautions - - - - - - - - - - - - - - - - - - - - - - - - - -2
Basic Engineering Principles for Positioning Load Poin t

Assemblies - - - - - - - - - - - - - - - - - - - - - - - - -2

Typical Mounting Arrangements - - - - - - - - - - - - - - - -3

Load Sensor Orientation - - - - - - - - - - - - - - - - - -3
Round Vessel with 1 Load Point - - - - - - - - - - - - - -3
Round Vessel with 3 Load Poin
Safety Rods - - - - - - - - - - - - - - - - - - - - - - - -4
Round Vessel with 4 Load Poin

Replacing the Load Sensor - - - - - - - - - - - - - - - - - - -5

Removing the Load Sensor - - - - - - - - - - - - - - - -6
Installing a New Load Sensor - - - - - - - - - - - - - - -6

Troubleshooting - - - - - - - - - - - - - - - - - - - - - - - -7

Physical Checks - - - - - - - - - - - - - - - - - - - - - -7
Electrical Tests for Load Point Assembly Problems - - - - -8

Zero Balance Test - - - - - - - - - - - - - - - - - - -8
Bridge Resistance Test - - - - - - - - - - - - - - - -9

Resistance to Ground Test - - - - - - - - - - - - - - -9
Electrical Termination Cable Color Codes - - - - - - - - - - - -10
Model Numbers - - - - - - - - - - - - - - - - - - - - - - - -11

Three Leg Systems - - - - - - - - - - - - - - - - - - - -11
Four Leg Systems - - - - - - - - - - - - - - - - - - - - -12

Specifications - - - - - - - - - - - - - - - - - - - - - - - - -12

t Assemblies - - - - - - - -4
t Assemblies - - - - - - - -5

i

1-ii

CAUTION: UNPACK WITH CARE

WHEN UNPACKING, DO NOT DISCARD THE PACK­ING CASE OR ANY PACKING MATERIAL, UNTIL THE
CONTENT
INSPECTED AND CAREFULLY COMPARED WITH
THE SHIPPING DOCUMENTS.

S OF THE PACKING CASE ARE

IF ANYTHING IS UNSATISFACTORY
NOTIFY HARDY IMMEDIATELY BY CALLING, FAX­ING OR E-MAILING TO:

Customer Support Department
HARDY PROCESS SOLU
9440 Carroll Park Drive, Ste. 150
San Diego, California 92121

Phone: [phone]

[phone]
FAX: [phone]
E-mail: [e-mail]

Web Address: www.hardysolutions.com

A RETURN AUTHORIZATION NUMBER IS REQUIRED
BEFORE
CALL THE CUSTOMER SUPPORT DEPARTMENT TO
GET THE NUMBER. YOUR COMPANY NAME,
ADDRESS, TELEPHONE NUMBER, SERIAL NUMBER
OF THE UNIT AND A BRIEF DESCRIPTION OF THE
PROBLEM SHOULD BE READY WHEN CALLING.

RETURNING ANY DAMAGED PRODUCT.

TIONS, INC.

, PLEASE

IN CASE OF DAMAGE DUE TO SHIPPING, NOTIFY

DELIVERING CARRIER IMMEDIATELY FOR AN

THE
INSPECTION.