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Page 8

for technical questions, please call 1-800-444-3353.

SKU 67378 

        

Before getting Started

Before beginning an outside search, 

you must test the unit with samples of 

metal.  Use the following:

an iron nail

• 

a five-cent coin (nickel)

• 

a one-cent penny (zinc coin, after 

• 

1982)

a 25-cent silver quarter.

• 

Place the Metal Detector on a 

wooden or plastic table with the 

Search Coil face up.  Make sure the 

table is away from TVs, computers, 

or any device that can cause 

electromagnetic interference.  See 

Figure 4.
 

 

 

 

 

 

 

 

 

 

 

note: 

Be sure to remove any 

watches, rings, or other metal objects 

on your fingers and hands.

Turn on the Metal Detector and 

set the VOLUME dial to the middle 

position.  Set the MODE switch to the 

middle (ALL METAL).  See Figure 5. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sweep the metal samples 2 to 3 

inches or more above the center of 

the Search Coil.  The Metal Detector 

will respond to each with a “DI” tone 

and the pointer on the View Meter will 

swing to the right.

note:

 Be sure to move the samples, 

as the Detector is in motion mode.  

Otherwise the Detector will not 

respond.

note: 

Adjusting the SENS dial from 

“0” to “10” will increase the Detector’s 

sensitivity.
Use the DISC/TONE dial to search 

for specific metals by having it not 

detect (“differentiate”) other kinds of 

metals.

10

0

Iron

Zinc

Aluminum/ 

Silver

Nickel

Copper

DiSc/tone Knob

figure 6 

For example, when the DISC/TONE 

dial is set to “0” the Detector will 

respond to ANY metal object with a 

“DI” tone and the meter will swing to 

the right. 

figure 4

figure 5

Iron

Nickel/ 

Gold

Summary of Contents for 67378

Page 1: ...eserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical q...

Page 2: ...used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Power Tool Safety Warnings WARNING Read all safety warnings and instructions Failure to follow th...

Page 3: ...in labels and nameplates on 1 the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement Handle Tool carefully at all times 2 Dropping Tool can cause damage to circuit boards and housing which can cause the tool malfunction or failure Position batteries in proper polarity 3 and do not install batteries of different types charge levels ...

Page 4: ...l was designed Do not modify this tool and do not use this tool for a purpose for which it was not intended This product is not a toy 12 Keep it out of reach of children People with pacemakers should 13 consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure In addition people with pacemakers should A...

Page 5: ...s for putting into use Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product To prevent serious injury from accidental operation Turn the Power Switch of the tool off and remove the batteries before assembling or making any adjustments to the tool Note For additional information regardi...

Page 6: ...cord rotate the Lower Leg enabling the cord to wind around the two Legs Rotate the Nut counterclockwise to lock the Legs To adjust the length of the Legs turn 2 the Lock Nut in a clockwise direction slide the Lower Leg to the desired extension length and turn the Nut counterclockwise to secure the Legs together To adjust the angle of the Search 3 Coil loosen the Coil Pivot 21 and Knob Bolt 22 and ...

Page 7: ...s Pay attention to traffic safety Functions and Indicators On Off Volume Turns on power to the unit and sets the sound level SENS Sets the sensitivity level of the unit Zero setting is the lowest level and 10 is the highest For general use set the sensitivity to a higher position In a mineralized area or area with electrical interference a lower setting may be more effective MODE Sets the unit to ...

Page 8: ...l to the middle position Set the MODE switch to the middle ALL METAL See Figure 5 Sweep the metal samples 2 to 3 inches or more above the center of the Search Coil The Metal Detector will respond to each with a DI tone and the pointer on the View Meter will swing to the right NOTE Be sure to move the samples as the Detector is in motion mode Otherwise the Detector will not respond NOTE Adjusting t...

Page 9: ... Coil the unit will not respond to the nickel or to the iron nail But it will respond the other samples To prevent the 5 zinc penny from being detected set the DISC TONE dial to about 1 o clock See Figure 9 By now only the silver quarter should be detected NOTE The discrimination position of aluminum is similar to silver So both metals will be detected at the same time The discrimination position ...

Page 10: ...ing a tone Repeat the above operation bringing 12 the coin closer to the Detector and making it sound a tone Once operating an outside search you can use the TARGET button to determine the location of the metal General Operating Instructions Once all the proper tests and adjustments have been made the Metal Detector is ready to be used outdoors When first searching set the Mode 1 button to ALL MET...

Page 11: ... the ground until the false signal disappears To set the DISC setting place a test metal object in highly mineralized earth or wet sand and adjust the setting before beginning When searching in a trash area set 4 the DISC to the middle setting so that the unit can reject most invaluable metals such as nails bottle caps cans and small pieces of iron Move all metal digging tools when 5 searching The...

Page 12: ...circuit boards and the case and can cause the Detector to malfunction After Use 3 wipe external surfaces of the tool with a damp clean cloth then dry Do not use harsh chemicals cleaning solvents or strong detergents to clean the detector PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and or distributor has provided the parts list and assembly diagram in this manual as a reference tool only N...

Page 13: ...U 67378 ASSEMBLY DIAGRAM Record Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts ...

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