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BRASS COMPASS
(LARGE)
42433
ASSEMBLY & OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web Site at www.harborfreight.com
©
®
Copyright 2004 by Harbor Freight Tools . All rights reserved. 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.
For technical questions and replacement parts please call 1-800-444-3353.
REV 01/05
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THANK YOU for choosing a HARBOR FREIGHT TOOLS product. For future reference, please complete the owner’s record below: Model______________ Serial No._____________ Purchase Date_______________ SAVE THE RECEIPT, WARRANTY AND THESE INSTRUCTIONS. It is important that you read the entire manual to become familiar with the unit BEFORE you begin assembly. Technical Specifications Dimensions: 3-1/2” W x 3-1/8” D x 1-1/2” H Mirror Dimensions: 2-1/4” Features: Mirror, Sine Chart, 2 levels and Spyhole Sa
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Warning: The warnings, cautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator. Unpacking When unpacking your Compass, check to make sure the following parts are included. If any parts are missing or broken, please call HARBOR FREIGHT TOOLS at 1-800-444-3353. Opera
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5. Pendulous Arm - To read the vertical angle of an object of elevation or declination. 6. Magnetic Declination Scale - Works in conjunction with the Pendulous Arm for reading angles of elevation and declination. 7. Compass Needle - To be used with the Graduated Dial for basic bearings. The Red Mark points toward magnetic north. 8. Peep Sight - With the Lid fully open, you can use the Peep Sight in conjunction with the Mirror to look directly at an object while taking a reading. Warning:
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Azimuths The direction of a line can be specified by its azimuth, the angle the north end ot the compass’ horizontal projection makes with north (magnetic or true), measured clockwise from 0 degrees to 360 degrees. Measuring a Horizontal Angle 1. To measure a horizontal angle, adjust the Mirror so that when you look into the Mirror you see the Front Sight. 2. Move the Compass around until the Sighting Line is lined up with the tip of the Front Sight and with the object you are sighting. The Com
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Figure 2 Sine Chart (see Figure 1) (on lid-not shown) Sight Line Mirror Spyhole lid Figure 3 Pendulous Arm Graduated Dial Red Mark Bubble Level Needle Magnetic Declination Scale Bubble Level Clinometer Arrows SKU 42433 For technical questions please call 1-800-444-3353. Page 6
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Note: Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts. PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRO
