HARBOR FREIGHT MT8-1 MADDOX Pneumatic Fan Clutch Wrench Set Owner’s Manual
- October 30, 2023
- HARBOR FREIGHT
Table of Contents
MT8-1 MADDOX
Pneumatic Fan Clutch Wrench Set
Owner’s Manual & Safety Instructions
MT8-1 MADDOX Pneumatic Fan Clutch Wrench Set
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.
22c
Visit our website at: http://www.harborfreight.com
Email our technical support at:
productsupport@harborfreight.com
58526
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© 2022 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.
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.
WARNING
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Specifications
Adapter Wrench Sizes| Metric: 32mm, 36mm, 40mm, 47mm
SAE: 7/8″, 1-7/8″, 2″
---|---
Adapter Wrench Rod Length| 17-3/10″
Important Safety Information
- Assemble and use only according to these instructions. Improper assembly and usage can create hazards.
- Wear ANSI-approved safety goggles and heavy-duty work gloves during assembly and use.
- Do not use while engine is running. Remove ignition keys from vehicle and set parking brake.
- Do not strike with hardened tool.
- Keep area clean and well lit.
- Use only according to vehicle service instructions.
- Inspect before every use; do not use if parts are loose or damaged.
- Keep children and other bystanders out of the area.
- Do not use when tired or when under the influence of drugs or medication.
- Use as intended only.
- Maintain product labels and nameplates. These carry important safety information. If unreadable or missing, contact Harbor Freight Tools for a replacement.
Operation Instructions
** Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of
this document including all text under subheadings therein before set up or
use of this product.
WARNING
Risk of serious personal injury. Turn the vehicle off before use.**
-
Shift transmission into park (for automatic transmissions) or reverse (for manual).
-
Turn off the ignition.
-
Engage parking brake.
-
Remove ignition keys from vehicle.
-
Place wheel chocks on both sides of at least two wheels.
-
Make sure the engine and engine compartment are cool before use.
-
Access engine compartment.
-
Gain access to fan clutch.
-
Refer to Air Hammer (not included) Manual for proper use and Safety Precautions.
-
Insert Adapter Wrench Rod (8) into Air Hammer.
-
Connect Air Hose (not included) to Air Hammer.
Note: Adapter Wrench can be placed on either side of fan clutch nut, depending on which direction nut needs to turn for fan clutch removal.
Note: The Adapter Wrench Rod pushes downward onto the Adapter Wrench, with use of Air Hammer. -
Insert appropriate Adapter Wrench into Adapter Wrench Rod.
-
Rotate Adapter Wrench until it stops.
-
Determine which direction fan clutch nut needs to turn for removal.
-
Hold Adapter Wrench onto Adapter Wrench Rod.
-
Place Adapter Wrench onto fan clutch nut.
-
Press Air Hammer Trigger to loosen fan clutch nut.
-
Remove tool assembly from engine compartment.
-
Remove Air Hose from Air Hammer.
-
Remove Adapter Wrench from Adapter Wrench Rod.
-
Remove Adapter Wrench Rod from Air Hammer.
-
Remove fan clutch.
Maintenance
WARNING
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE: Do not use damaged equipment. If
abnormal noise or vibration occurs, have the problem corrected before further
use.
Cleaning, Maintenance, and Lubrication
-
BEFORE EACH USE, inspect the general condition of the tool set. Check for:
• loose hardware
• misalignment or binding of moving parts
• cracked or broken parts
• any other condition that may affect its safe operation. -
AFTER USE, wipe the tools off with a clean cloth.
-
When storing, coat all parts with a light oil to prevent rust, then store them in the Carrying Case.
Parts List and Diagram
Parts List
| Part | Description | Qty. | Part | Description | Qty. |
|---|---|---|---|---|---|
| 1 | 7/8″ Adapter Wrench | 1 | 5 | 36mm Adapter Wrench | 1 |
| 2 | 1-7/8″ Adapter Wrench | 1 | 6 | 40mm Adapter Wrench | 1 |
| 3 | 2″ Adapter Wrench | 1 | 7 | 47mm Adapter Wrench | 1 |
| 4 | 32mm Adapter Wrench | 1 | 8 | Adapter Wrench Rod | 1 |
Record 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. Specify UPC 193175441010
when ordering parts.
Diagram
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. IN FACT,
THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND
PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS,
AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF
HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR
ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.
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. We shall in no
event be liable for death, injuries to persons or property, or for incidental,
contingent, special or consequential damages arising from the use of our
product. Some states do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation of exclusion may not apply to
you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR
IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.
To take advantage of this warranty, the product or part must be returned to us
with transportation charges prepaid. Proof of purchase date and an explanation
of the complaint must accompany the merchandise. If our inspection verifies
the defect, we will either repair or replace the product at our election or we
may elect to refund the purchase price if we cannot readily and quickly
provide you with a replacement. We will return repaired products at our
expense, but if we determine there is no defect, or that the defect resulted
from causes not within the scope of our warranty, then you must bear the cost
of returning the product.
This warranty gives you specific legal rights and you may also have other
rights which vary from state to state.
For technical questions, please call 1-888-866-5797.
SUPERIOR AUTOMOTIVE TOOLS
26677 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797