Maddox MH-1B Owner's Manual & Safety Instructions

Maddox MH-1B Owner's Manual & Safety Instructions

Cooling system test & refill kit

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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.
©
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.
19g
64985

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Questions and answers

Hank Rappleyea
March 22, 2025

does the maddox MH 1-B also drain the coolant system

1 comments:
Mr. Anderson
March 22, 2025

The Maddox MH-1B does not explicitly drain the coolant system. It is used to create a vacuum in the cooling system to check for leaks and refill coolant without introducing air.

This answer is automatically generated

Summary of Contents for Maddox MH-1B

  • 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: Important Safety Information

    Important Safety Information TO PREVENT STEAM BURNS, DO NOT 10. Do not overreach. Keep proper OPEN CAP OF HOT OR WARM RADIATOR. footing and balance at all times. This enables better control of the Loosen the radiator cap slowly. product in unexpected situations. Keep away from hot engine parts and fluids.
  • Page 3 11. Make sure the Coolant Suction Valve is 14. Insert filter end of Coolant Hose into a closed, then open the Air Inlet Valve to container of premixed coolant, then slowly start drawing a vacuum. The reading open the Coolant Suction Valve. The vacuum on the Gauge should start to rise.
  • Page 4: Maintenance And Servicing

    Maintenance and Servicing Procedures not specifically explained in this manual must be performed only by a qualified technician. TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: Detach the tool from the vehicle being tested before performing any inspection, maintenance, or cleaning procedures. TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment.
  • Page 5: Please Read The Following Carefully

    PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS DOCUMENT AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER OR 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 PRODUCT.
  • Page 6: Parts List And Diagram

    Parts List and Diagram Parts List Part Description Part Description Valve Body Assembly Inlet Air Valve Filter Axle Gasket Air Inlet Plug Axle Filter Housing Control Knob / Nut Stainless Filter Knob Gasket Aluminum Filter Seat Expander Hose Clamp Screw PVC Coolant Hose O-Ring 5 ...
  • Page 7: Assembly Diagram

    Assembly Diagram Item 64985 For technical questions, please call 1-888-866-5797. Page 7...
  • 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. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance.

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