Maddox MD12 Owner's Manual

Large valve spring compressor

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Owner's Manual & Safety Instructions

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operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-888-866-5797 as soon as possible.

2021 by Harbor Freight Tools

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.

Keep this manual for the safety warnings and precautions, assembly,

Visit our website at: http://www.harborfreight.com

Email our technical support at: productsupport@harborfreight.com

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

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Page 1 Owner’s Manual & Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
Page 2 Specifications Jaw Opening 1-3/8″ (35mm) to 5-5/8″ (142mm) Throat Clearance 5-7/8″ (150mm) Valve Spring Adapter Sizes 1″ (25mm) and 1-3/16″ (30mm) IMPORTANT SAFETY INFORMATION Block drive wheels before use. Maintain product labels and Set parking brake and put nameplates. These carry gear selector in neutral for important safety information.
Page 3 Operating Instructions Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this document before set up or use of this produ Note: Refer to vehicle service manual CAUTION: TO PREVENT PROPERTY DAMAGE: ensure Cup and Release for engine head removal process. Adapter to not make contact with head Remove head, then place head on a while locking Valve Spring Compressor.
Page 4 Limited 90 Day Warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase.

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