Pittsburgh 58731 Assembly instructions

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. 23a
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.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Visit our website at: http://www.harborfreight.com
Email our technical support at: [email protected]

Page 2 For technical questions, please call 1-888-866-5797. Item 58731
Specifications
Tire
Capacity
All tires from 8 IN. to Light
Truck Tires
(8 IN. x 16 IN.)
Flotation Tires: Up to 12.5L16
Includes Bead Breaker Handle.
Mount/Demount Bar.

Page 3For technical questions, please call 1-888-866-5797.Item 58731
Important Safety Information
1. Do not exceed max. tire
capacities. Do not use on standard
tires exceeding 16″ or on flotation
tire exceeding size 12.5L16.
2. CAUTION! Do not use on tires with
high-end rims. Tire removal and
installation can result in scratches
and slight marring on rims.
3. Wear ANSI-approved safety goggles
and heavy-duty work gloves during
assembly, mounting and use.
4. Do not modify Tire Changer to perform
tasks for which it was not designed.
5. Use only with accessories
included with the Tire Changer.
6. Do not use without mounting to floor.
Mount only to a secure, level surface
able to support weight of Manual
Tire Changer and tire assembly.
7. Verify that mounting surface has
no hidden utility lines before
drilling or driving screws.
8. Deflate tire before use. Keep tire’s valve
stem uncovered during use to allow
any remaining air to flow out of tire.
9. Lubricate Breaker Handle when
removing tire from rim; failure do
so can lead to tire damage.
10. Keep work area clean and well lit.
11. Keep bystanders out of
the area during use.
12. Do not use when tired or when
under the influence of drugs,
medication or alcohol.
13. This product is not a toy. Do not allow
children to play with or near this item.
14. Inspect before every use; do not use
if parts are loose or damaged.
15. Maintain product labels and
nameplates. These carry
important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.

Page 4 For technical questions, please call 1-888-866-5797. Item 58731
Assembly/Mounting 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.
Note: Tire Changer requires
assembly after unpacking.
1. On a secure, level surface, place
bottom of Center Post (1) diagonally
across middle of Post Base (13).
2. Align Center Post with Post Base so
that Center Post bracket faces longer
end of Post Base with Mounting Tab.
Bracket
Mounting Tab
3. Fasten Center Post and Post
Base together using Bolts (6),
Washers (11) and Nuts (12).
Center
Post (1)
Post
Base (13)
Hex Bolt (6)
Washer (11)
Nut (12)
4. Set each of Side Bases (9) along either
side of Post Base until holes align.
5. Fasten together using the Hex Bolts (6),
Washers (11), and Nuts (12).
Side
Base (9)
Center
Post (1)
Hex Bolt (6)
Washer (11)
Nut (12)
NOTE: Floor surface should
be at least 4″ deep.

Page 5For technical questions, please call 1-888-866-5797.Item 58731
6. Mount assembled base to selected
floor surface (such as a wood
pallet or concrete floor) using
7/16″ mounting holes at ends of
Side Bases and Post Base.
7. Place Bead Breaker Handle (7) into
bracket on side of Center Post until
hole on Handle’s end aligns with
top or bottom holes of the bracket
(depending on the size of the tire.)
8. Slide a Clevis Pin (5) through
bracket and Bead Breaker Handle,
securing it using R-Clip (8).
Clevis
Pin (5) R-Clip (8)
Bead Breaker Handle (7)
9. Slide end slots of
Bead Breaker Shoe (10) over
mounting holes along middle
of Bead Breaker Handle.
Note: Closest hole to Center
Post is for smaller tires.
10. Align with end or middle holes
(depending on which tire size).
11. Secure with Clevis Pin (5)
and R-Clip (8).
Bead Breaker
Shoe (10)
Clevis
Pin (5)
Bead Breaker
Handle (7)
R-Clip (8)

Page 6 For technical questions, please call 1-888-866-5797. Item 58731
Operation
Breaking Tire Bead
NOTE: This Tire Changer works best
with standard sized tires only.
1. Deflate tire.
2. Apply bead oil (not
included) to tire bead.
3. Set Tire down on longer
end of Post Base.
4. Position tire so that rim is set
against mounting tab, which
will keep tire in place.
5. Set Bead Breaker Shoe
against edge of tire rim.
6. Insert Mount/Demount Bar into
Bead Breaker Handle.
7. Push down on Bead Breaker
Handle, allowing Bead Breaker
Shoe to push tire bead off of rim.
8. Lift Bead Breaker Handle
up and rotate tire.
9. Repeat step 7.
10. Lift Bead Breaker Handle up,
flip tire over and reposition
tire against mounting tab.
11. Repeat steps 2-8.
12. Raise Bead Breaker Handle.
13. Remove tire from Post Base.
14. Remove Post Cap using flat
end of Mount/Demount Bar.
15. Remove Slider.
16. Remove Washer.
17. Set tire onto Center Post with Lug
Pin inserted through a lug nut hole
and into the slot on the circular
base the tire is resting on.
18. Place Washer onto Center Post
with Lug Pin going into slot.
19. Place Slider onto Center Post
with Lug Pin inside tab.
20. Thread Post Cap onto Center Post.
21. Tighten Post Cap with flat end
of Mount/Demount Bar.
22. Remove Mount/Demount Bar.
23. Place Mount/Demount end
against tire bead.
24. Push down on Mount/Demount
Bar, forcing bead away from rim.
NOTE: You may need to hold onto Post Cap
with your free hand for added leverage.
25. Slide Mount/Demount Bar down and use
Post Cap as leverage to pull Bar around
rim separating tire bead from rim.
26. Once bead on upper side of tire is
separated from rim, pull tire up with free
hand and push Bar down so it is against
bead on lower tire and upper rim.
27. Repeat step 25.
28. Remove tire from rim.

Page 7For technical questions, please call 1-888-866-5797.Item 58731
29. Remove post Cap using flat
end of Mount/Demount Bar.
30. Remove Slider.
31. Remove Washer.
32. Remove Rim.
Mounting Tire Onto Rim
WARNING! TO PREVENT SERIOUS
INJURY: Do not use the bar to hammer
on the side of the tire during mounting.
1. Set tire onto Center Post with Lug
Pin inserted through a lug nut hole
and into the slot on the circular
base the tire is resting on.
2. Place Washer onto Center Post
with Lug Pin going into slot.
3. Place Slider onto Center Post
with Lug Pin inside tab.
4. Thread Post Cap onto Center Post.
5. Tighten Post Cap with flat end
of Mount/Demount Bar.
6. Remove Mount/Demount Bar.
7. Apply bead oil (not included) to
upper and lower tire bead.
8. Set tire on rim in the correct position.
9. Push down on opposite ends of tire
to install lower tire bead onto rim.
10. Place flat end of Mounting/
Demounting Bar through tire.
11. Push down on tire with free hand as you
work lower tire bead onto upper rim.
12. If needed push Mounting/
Demounting Bar along Center
Post for added leverage.
13. Remove Mounting/Demounting
Bar and switch ends, so that hook
side is pressed against rim.
14. Push Bar down so that hook
end wedges bead under rim.
15. Push Mounting/Demounting Bar along
Center Post for added leverage.
16. Continue to work around rim until
upper tire bead mounts over rim.
WARNING! TO PREVENT SERIOUS
INJURY: Do not over-inflate tire.
17. Inflate tire to proper PSI.
18. Check for leaks.
19. Have tire balanced by a qualified
automotive technician.

Page 8 For technical questions, please call 1-888-866-5797. Item 58731
Maintenance
1. After each use, wipe any excess
bead oil off of Tire Changer.
2. Regularly inspect Tire Changer to
ensure that all connections are secure.

Page 9For technical questions, please call 1-888-866-5797.Item 58731
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS
LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL 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.

Page 10 For technical questions, please call 1-888-866-5797. Item 58731
Parts List and Diagram
Parts List
Part Description Qty.
1 Center Post 1
2 Post Cap 1
3 Slider 1
4 Washer 1
5 Clevis Pin 2
6 Bolt 4
7 Bead Breaker Handle 1
8 R-Clip 2
9 Side Base 2
10 Bead Breaker Shoe 1
11 Lock Washer 4
12 Nut 4
13 Post Base 1
14 Mounting Tab 1
15 Mount/Demount Bar 1
16 Lug Pin 1
Record Product’s 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 193175445476 when ordering parts.

Page 11For technical questions, please call 1-888-866-5797.Item 58731
Assembly Diagram
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9
9
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11
13
14
15
16

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.
26677 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797