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. 19a
Visit our website at: http://www.harborfreight.com
Email our technical support at: productsupport@harborfreight.com
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© 2018 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.
To ol s re q u ir e d fo r as s e mb l y a n d s e r vi c e m a y n o t b e in c l ud e d .
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Page 2
Specifications
Capacity 350 lb
IMPORTANT SAFETY INFORMATION
Assembly Precautions
1. Assemble only according to these instructions.
Improper assembly can create hazards.
2. Wear ANSI-approved safety goggles and
heavy-duty work gloves during assembly.
3. Keep assembly area clean and well lit.
Use Precautions
1. This product is not a toy. Do not allow
children to play with or near this item.
2. Use as intended only.
3. Inspect before every use; do not use
if parts are loose or damaged.
4. Do not exceed listed weight capacity for individual
components, evenly distributed from bottom up,
or overall combined weight capacity of 350 lb.
Be aware of dynamic loading!
Sudden load movement may briefly create
excess load causing product failure.
5. Maintain product labels and nameplates.
These carry important safety information.
If unreadable or missing, contact
Harbor Freight Tools for a replacement.
4. Keep bystanders out of the area during assembly.
5. Do not assemble when tired or when under the
influence of alcohol, drugs or medication.
6. Weight capacity and other product capabilities apply
to properly and completely assembled product only.
6. Operate and store the Cart on a
flat, dry, level surface.
7. Read welding equipment manual before use.
8. If using gas cylinders, be especially careful
to prevent tipping or damage to the cylinders.
Follow gas cylinder supplier’s and gas
supplier’s safety instructions at all times.
9. People with pacemakers should consult their
physician(s) before use.
Electromagnetic fields in close proximity to
heart pacemaker could cause pacemaker
interference or pacemaker failure.
Page 2 For technical questions, please call 1-888-866-5797. Item 56191
Page 3
Assembly
Functions
Adjustable
Stop
Tool
Box
Handles
Hooks
Upper
Platform
Lower
Platform
Hooks
Stops
Chains
Swivel
Caster
Wheels
Page 3For technical questions, please call 1-888-866-5797.Item 56191
Page 4
Assembly Instructions
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual
including all text under subheadings therein before set up or use of this product.
Note: For additional information regarding the parts listed in the following pages,
refer to Parts List and Assembly Diagram on page 10.
Setup
1. Before starting, gather all hardware
and organize it into piles:
a. Bolt (4) will be used to attach the
Lower Platform and Hook B.
b. Bolt (8) will be used to attach the
End Frame and Handles.
c. Bolt (20) will be used to attach the Tool
Box Mount and Adjustable Stop.
Attach Platforms and Swivel Casters
Note: Finger tighten all connections.
1. Attach the Lower Platform (14) to the
Left Side Frame (19) and Right Side Frame (15)
using two Bolts (4), Flat Washers (21),
and Spring Washers (26).
d. Bolt (28) will be used to attach the Upper
Platform, Cylinder Rack and Hook A.
e. Flat Washer (27) will be used with
E-Clip (1) to attach the Wheels.
f. Flat Washer (21) and Spring Washer (26)
will be used with all Bolts.
g. Nut (22) will be used to attach the Adjustable Stop.
2. Assemble the Welding Cart on a flat,
level, hard and smooth surface.
Left Side
Frame (19)
Lower Platform
(14)
Spring
Washer
(26)
Bolt
(4)
Flat
Washer
(21)
2. Attach Upper Platform (13) to Side Frames
using four Bolts (28), Flat Washers (21),
and Spring Washers (26).
Note: The Upper Platform will be at a slight angle.
3. Screw the two Swivel Casters (16) into
the front corners of the Lower Platform,
and Left and Right Side Frames.
4. Make sure Platforms are level, then
tighten all connections securely.
Bolt
Spring
Washer
(26)
Flat
Washer
(21)
Swivel Caster (16)
(28)
Right Side
Frame (15)
Upper
Platform (13)
Page 4 For technical questions, please call 1-888-866-5797. Item 56191
Page 5
Attach Wheels
1. Insert the Axle (12) through the Lower Platform.
2. Slide a Spacer (3), with large side facing
in, and then a Wheel (2) onto the Axle.
3. Secure the Wheel with a
Flat Washer (27) and E-Clip (1).
4. Repeat for the other Wheel.
Attach Adjustable Stop
Attach the Adjustable Stop (18) to the Upper
Platform using two Bolts (20), Flat Washers (21),
Spring Washers (26), and Nuts (22).
Flat Washer (27)
E-Clip
(1)
Adjustable
Stop (18)
Spacer (3)
Axle (12)
Wheel
(2)
Nut (22)
Spring Washer (26)
Flat Washer (21)
Attach Tool Box Shelf
Attach the Tool Box Shelf (17) to the under side of the
Upper Platform using two Bolts (20), Flat Washers (21),
and Spring Washers (26). Tighten securely.
Bolt
(20)
Bolt (20)
Tool Box
Shelf
(17)
Spring Washer (26)
Flat Washer (21)
Upper
Platform
Page 5For technical questions, please call 1-888-866-5797.Item 56191
Page 6
Attach Cylinder Rack and Hooks to End Frame
1. Attach the Cylinder Rack (11) to the End Frame (9)
using three Bolts (28), Flat Washers (21), and
Spring Washers (26). Tighten securely.
2. Attach two Hooks B (7) to the End Frame, one to
each side, using four Bolts (4), Flat Washers (21),
and Spring Washers (26). Tighten securely.
Attach Hooks to Handles
Attach a Hook B (7) to the Right Handle (24)
and another to the Left Handle (25) using
four Bolts (4), Flat Washers (21), and
Spring Washers (26). Tighten securely.
Hook B
(7)
Frame (9)
Bolt (4)
End
Bolt
(28)
Flat
Washer
(21)
Spring
Washer
(26)
Left
Handle
(25)
Cylinder
Rack (11)
Bolt
(4)
Spring
Washer
(26)
Flat Washer
(21)
Right
Handle
(24)
Attach End Frame
Attach the End Frame Assembly to the Side Frames
using four Bolts (8), Flat Washers (21), and
Spring Washers (26). Tighten securely.
Spring
Washer
(26)
Flat
Washer
(21)
Spring Washer (26)
Bolt (8)
Flat Washer (21)
Hook B
(7)
End Frame
Assembly
Page 6 For technical questions, please call 1-888-866-5797. Item 56191
Page 7
Attach Handles
Attach the Handle assemblies to the Side
Frames using four Bolts (8), Flat Washers (21),
and Spring Washers (26). Finger tighten
until Cross Bar has been attached.
Attach Cross Bar
Bolt
(8)
Spring
Washer
(26)
Flat
Washer
(21)
1. Attach two Hooks A (6) to the Cross Bar (5)
using two Bolts (28), Flat Washers (21),
and Spring Washers (26).
2. Insert the pegs on the Cross Bar into the holes on the
Hooks. Push down to secure Cross Bar in place.
3. Tighten Handle connections securely.
Spring
Washer (26)
Flat
Washer
(21)
Peg
Bolt (28)
Cross Bar
(5)
Peg
Hook A
(6)
Holes
Page 7For technical questions, please call 1-888-866-5797.Item 56191
Page 8
Install Tool Box and Chains
1. Slide the Tool Box (23) into the Tool Box Shelf.
2. Connect both Chains (10), one at Cylinder Rack
and the other at the end of the Upper Platform.
3. Check and tighten all hardware after assembly.
Operation
Cylinder
Rack
Chains
(10)
Tool
Box
(23)
Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual
including all text under subheadings therein before set up or use of this product.
1. Make sure that the welder and all
accessories combined do not exceed
the weight capacity of this Cart.
2. Place gas cylinder on Lower Platform, then secure in
place by locking the Chains around the Cylinder into
the slots on the Cylinder Rack and Upper Platform.
3. Place the welder on the Upper Platform
with its back against the Stops.
4. Loosen hardware on the Adjustable Stop.
Slide the Adjustable Stop against the front
of welder, then tighten hardware.
5. Make sure everything is secure and the Cart is well
balanced before moving the Cart. If the welder
is unstable or does not fit securely on the Upper
Platform, do not use that welder with this Cart.
Page 8 For technical questions, please call 1-888-866-5797. Item 56191
Page 9
Maintenance
Procedures not specifically explained in this manual must
be performed only by a qualified technician.
TO PREVENT SERIOUS INJURY FROM TOOL FAILURE:
Do not use damaged equipment. If any part becomes damaged,
have the problem corrected before further use.
1. PERIODICALLY, inspect the general
condition of the Cart. Check for:
• loose hardware,
• misalignment or binding of moving parts,
• Caster swivel function and movement,
• cracked or broken parts,
• any other condition that may
affect its safe operation.
2. Wipe external surfaces of the Cart with clean cloth.
Page 9For technical questions, please call 1-888-866-5797.Item 56191
Page 10
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.
Parts List and Assembly Diagram
Parts List
Part Description Qty
1 E-Clip 2
2 Wheel 2
3 Spacer, Ø19 2
4 Bolt, M6 x 30 10
5 Cross Bar 1
6 Hook A 2
7 Hook B 4
8 Bolt, M6 x 50 8
9 End Frame 1
10 Chain 2
11 Cylinder Rack 1
12 Axle 1
13 Upper Platform 1
14 Lower Platform 1
Part Description Qty
15 Right Side Frame 1
16 Swivel Caster 2
17 Tool Box Shelf 1
18 Adjustable Stop 1
19 Left Side Frame 1
20 Bolt, M6 x 10 4
21 Flat Washer, Ø6 31
22 Nut, M6 2
23 Tool Box 1
24 Right Handle 1
25 Left Handle 1
26 Spring Washer, Ø6 31
27 Flat Washer Ø12 2
28 Bolt, M6 x 35 9
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.
Page 10 For technical questions, please call 1-888-866-5797. Item 56191
Page 11
Assembly Diagram
10
9
11
21
26
27
4
12
13
14
7
28
8
15
4
28
16
22
26
18
21
5
17
23
28
26
21
8
20
3
19
6
24
1 2
25
21
7
26
8
26
21
4
Page 11For technical questions, please call 1-888-866-5797.Item 56191
Page 12
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.
26541 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
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