Harbor Freight Tools DOYLE Assembly instructions

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Email our technical support at: [email protected]
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. 21i
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©2020 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.
Read this material before using this
product. Failure to do so can result in
serious injury. SAVE THIS MANUAL.

Page 2 For technical questions, please call 1-888-866-5797. Item 58078
Specifications
Compatible Nut Rivets 10-24, 1/4-20, 5/16-18,
M5, M6 and M8
IMPORTANT SAFETY INFORMATION
1. Set up only according to these instructions.
Improper set up can create hazards.
2. Wear ANSI-approved safety goggles and heavy-
duty work gloves during set up and use.
3. Keep work area clean and well lit.
4. Keep bystanders out of the area
during set up and use.
5. Do not set up or use when tired or when under
the influence of alcohol, drugs or medication.
6. This product is not a toy. Do not allow
children to play with this item.
7. Use as intended only.
8. Inspect before every use; do not use
if parts are loose or damaged.

Page 3For technical questions, please call 1-888-866-5797.Item 58078
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.
Mandrel Installation
1. Remove Nut using Wrench.
2. Remove Mandrel.
3. Install desired Mandrel that matches the rivet that
will be used. Secure with the matching Nut.
Rivet Installation
1. Open Handles and thread rivet onto Mandrel.
2. Insert rivet through predrilled hole.
3. Squeeze Handles together to secure the rivet.
4. Twist Riveter down to remove it.
Record Serial Number Here:
Note: If product has no serial number, record
month and year of purchase instead.
Note: Replacement parts not available.
Reference UPC 193175432124.

26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
Limited Lifetime Warranty
Harbor Freight Tools warrants to the original purchaser that this Doyle™ product
shall be free from defects in materials and workmanship for its useful life.
If your Doyle™ product does not perform in accordance with this warranty, Harbor Freight Tools
will, at its option and expense, repair or replace (or elect to refund the purchase price
if we cannot repair or replace), your Doyle™ product, which shall be your sole and
exclusive remedy. To obtain warranty service, Doyle™ products must be returned with
proof of purchase to a Harbor Freight Tools retail store or returned by mail after contacting
Harbor Freight Tools Product Support at 1-888-866-5797 and receiving a return authorization.
This warranty excludes normal wear and tear and does not apply to products subjected to misuse,
use or operation other than for the intended purpose or not in accordance with the product manual,
abuse, accident, modification or alteration, unauthorized repair, improper storage, neglect,
or lack of maintenance. This warranty is in lieu of all other warranties. Harbor Freight Tools is
not liable for incidental, indirect, special, consequential, or punitive damages or costs arising
from the use of this product. Some states do not allow the exclusion or limitation of incidental
or consequential damages, so the above limitation may not apply to you. This warranty gives
you specific legal rights, and you may also have other rights which vary from state to state.
Doyle is a trademark of Harbor Freight Tools. All other brands and trade names are the property of their respective owners.