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Owner's Manual & Safety Instructions
Save This Manual
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.
©
Copyright
2019 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
®
. All rights reserved.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
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Table of Contents
Related Manuals for Maddox MH5-1
Summary of Contents for Maddox MH5-1
- 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.
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Page 2: Specifications
Specifications Maximum Input Air Pressure 100 PSI 0 – 100 PSI in 2 PSI increments Gauge Scale 0 – 700 kPa in 10 kPa increments Included Spark Plug Adapters 10 m m, 12 m m and 18 m m Adapters Adapter Hose 24"... - Page 3 13. Stay alert. Watch what you are 17. People with pacemakers should doing, use common sense. Do not consult their physician(s) before use. operate any tool when you are tired. Electromagnetic fields in close proximity to heart pacemaker could cause 14.
- Page 4 Important Considerations About Compression Loss Testing There will always be some compression Leakage rate readings may vary by loss past piston rings, even in a new up to 10% when taking repeated engine. You will never see a 0 PSI readings of the same cylinder.
- Page 5 Before removing the spark plugs, Turn the Pressure Regulator Knob clean the area around the spark fully counterclockwise. Connect plugs using compressed air. a compressed air source (not It is important to prevent foreign included) to the air inlet plug on materials from falling into the cylinders the Cylinder Leak-Down Tester.
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Page 6: Diagnostic Techniques
Diagnostic Techniques If one or more cylinders are identified as Radiator filler opening bubbles or having 10 to 15 PSI greater compression sound indicates pressure escaping into loss than the others, you can listen for the coolant jacket. This can indicate escaping air pressure to diagnose the cracked cylinder walls or a damaged problem. -
Page 7: Parts List And Diagram
Parts List and Diagram Part Description Part Description Regulated Pressure Gauge 10 m m Spark Plug Adapter Leakage Gauge 12 m m Spark Plug Adapter Pressure Regulator Knob 18 m m Spark Plug Adapter Cover Plate Adapter Hose with 14 m m threads Record Serial Number Here: Note: If product has no serial number, record month and year of purchase instead. -
Page 8: Limited 90-Day Warranty
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.