Westward 5ML74A User manual

Westward Heavy Duty Wheel Dolly
Operating Instructions & Parts Manual 5ML74A
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself
and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain instructions
for future reference.
®
Description
Westward heavy duty wheel dolly is designed to remove, transport and replace tire and
wheel assemblies on trucks, buses and trailers. It is a labor saving device useful in auto
shops, bus barns and fleet service. This wheel dolly is designed to meet applicable
ANSI/PALD Standards.
Specifications
Overall Size Rollers Lifting Tilt
Model Capacity (L X W X H) Distance Range Degree
5ML74A 3/4 Ton 45-1/8” X39-1/2” X34 5/8” 26” 2-1/2” ~ 8-3/8” 5°
(1500 Lbs)
Hydraulic Unit
Front Wheel
Chain
Figure 1 - Wheel Dolly Components
General Safety Information
Read and understand
all warnings and
instructional material provided on and with
this product. Do not exceed rated capacity.
Thoroughly familiarize yourself with this
product before use. Use only on smooth
hard, level surfaces capable of sustaining
the load. Before moving, lower the load to
the lowest possible point and assure that
the load is centered and secured with a
load restraint device. Apply load as close
to the vertical position of the lifting
member as possible. No alterations shall
be made to this product. Do not use this
device for any purpose other than that for
which it is intended. Failure to heed this
warning may result in severe, injury as
well as property damage.
ASSEMBLY
Refer to Figure 2 on page 2
1. Attach leg assemblies (Ref. No. 2) to
main frame (Ref. No. 1) using
M12x1.75x70L &
M12x1.75x120L bolts, M12x1.75 nuts
& M12x3t washers (Ref. Nos. 3, 15, 4
& 5).
2. Install caps (Ref. No. 17) to cover the
holes on the main frame (Ref. No. 1).
3. Loosen all four of the M12x1.75x70L
bolts (Ref. No. 8) and tighten the
M10x1.5x60L bolts (Ref. No. 11) to
expand the roller insert hole.
Note: Do not overtighten the bolts (Ref.
No. 11). Adjust bolt’s tightness until it is
expanded enough for accepting the
roller (Ref. No. 6).
4. Slide roller (Ref. No. 6) into the roller
insert hole on frame (Ref. No. 7) until it
is aligned with the edge of the hole.
5. Loosen the M10x1.5x60L bolts (Ref.
No. 11) and tighten all the
M12x1.75x70L bolts (Ref. No. 8) to
secure the roller onto the frame.
6. Attach the frame (Ref. No 7) to main
frame (Ref. No. 1) using the pin, c-clip
and roller. (Ref. No. 12, 13 & 14).
7. Install hydraulic unit (Ref. No. 18) in
between the frame and main frame
(Ref. No. 7 & 1).
8. Attach hooks (Ref. No. 21) to chain
(Ref. No. 20).
9. Attach one end of hook (Ref. No. 21)
through angle frame hole and attach
another hook to the other hole.
BEFORE USE
1. Inspect before each use. Do not use if
bent, broken, leaking or cracked
components are noted. Ensure that
casters, rollers and lift arm moves
freely. Check and tighten any loose
assemblies.
2. Verify that the product and the
application are compatible.
3. Read, understand and follow vehicle
manufacturer’s recommended tire
change procedures.
4. With jack in fully lowered position,
locate and remove oil filler plug. This
purges the hydraulic system of
pressurized air trapped in reservoir.
Check fluid level. Proper level is even
with filler plug hole.
5. Reinstall oil filler plug.
HOW TO USE
1. Set emergency brake, chock tires of
diagonally opposed wheel(s) in both
directions AND take every precaution
necessary to ensure setup is stable
and prevent inadvertent vehicle
Main Frame
Load Leveler
with Caster
(not shown)
SHI 021
Printed in China
11/09
Angle Frame
Roller

Troubleshooting Chart
Dolly will not lift load 1. Release valve not tightly closed 1. Ensure release knob tightly closed
2. Overload condition 2. Remedy overload condition
Dolly bleeds off after lift 1. Release valve not tightly closed 1. Ensure release valve tightly closed
2. Hydraulic unit malfunctioning 2. Contact Omega Tech. Service
Dolly will not lower after unloading 1. Reservoir overfilled 1. Ensure load is removed, then drain
fluid to proper level
2. Linkages binding 2. Clean and lubricate moving parts
Poor lift performance 1. Fluid level low 1. Ensure proper fluid level
2. Air trapped in system 2. With ram fully retracted, remove oil
filler plug to let pressurized air
escape, reinstall oil filler plug
Will not lift to full height Fluid level low Ensure proper fluid level
Symptom Possible Cause(s) Corrective Action
2
Westward Operating Instructions and Parts Manual 5ML74A
movement.
2. When tire & wheel assembly are ready
to remove, position wheel
dolly to accept tire & wheel assembly
and adjust the length of chain provided
to secure load.
3. Use jack handle to turn release valve
clockwise until tight. DO NOT
OVERTIGHTEN. Insert jack handle
into handle sleeve of bottle jack and
pump until lifting arm reaches desired
height.
NOTE: Do not use wheel dolly to free a
seized up wheel assembly. For typical
practice of taking out a seized up wheel
assembly, a long metal bar can be used
to pry the wheel assembly from the stuck
wheel axle. If in doubt, always follow
vehicle’s manufacturer manual on how to
remove tire & wheel assembly.
4. Use load leveler to prepare dolly for
moving. Carefully move loaded wheel
dolly away from hub.
5. To install, reverse order.
NOTE: The purpose of the angle frame
and chain is just to hold or secure the
load in place while removing or
transporting. Do not use it to pull out the
seized up tire or wheel assembly. Do not
use it as a structure support or other
means. Use the main frame to push or
pull while installing or removing the tire/
wheel assembly.
Be sure all tools and personnel are clear
before lowering load. Dangerous dynamic
shock loads are created by quickly
opening and closing
the release valve as
load is being lowered. The resulting
overload may cause hydraulic system
failure which could cause severe personal
injury and/or property damage.
MAINTENANCE
Periodically check jack fluid level. Level
of fluid should be even with filler plug
hole. Use Mobil DTE 13M or equivalent.
NOTE: Never fill jack with alcohol,
glycerin, brake fluid, transmission fluid.
Damage to jack’s load bearing
capabilities can result if other then good
grade hydraulic jack fluid in used.
Figure 2 — Assembly Illustration
General Safety Information
(Continued)
Load Leveler
with Caster
Westward Heavy Duty Wheel Dolly
®

Westward Operating Instructions and Parts Manual 5ML74A
3
For Repair Parts, call 1-800-323-0620
24 hours a day - 365 days a year
1 Spring Pin 5420-04030-000 2
2 Chain 4200-03004-000 2
3 Retaining Ring "C" 5304-00016-000 8
4 Pin T540-02002-000 4
5 Roller T540-02001-000 4
6 Caster Assy. T590-90009-K01 1
7 Snap Pin 5404-02030-000 2
8 Rotating Bar T540-00004-000 1
9 Bolt 5110-04010-000 2
10 Front Wheel T476-00003-000 2
11 Pin T540-01001-000 2
12 Handle Assy. T540-90009-K01 1
13 Hydraulic Unit B020-10000-000 1
** Hardware Kit T5400S-096 1
Reference Part Number For Model:
Number Description 5ML74A (3/4 Ton or 1500 Lbs) Quantity
Repair Parts List
Figure 3 — Repair Parts Illustration
Please provide following information:
-Model number
-Serial number (if any)
-Part description and number as shown in parts list
Address parts correspondence to:
Grainger Parts
P.O. Box 3074
1657 Shermer Road
Northbrook, IL 60065-3074 U.S.A.
Westward Heavy Duty Wheel Dolly
®
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10
2
8
12
7
11
6
5
4
3
1
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Westward Operating Instructions and Parts Manual 5ML74A
Manufactured for Grainger International, Inc., Lake
Forest, IL 60045 U.S.A.
LIMITED WARRANTY
WESTWARD ONE-YEAR LIMITED WARRANTY. Heavy Duty Wheel Dolly, covered in this manual, is
warranted by Westward to the original user against defects in workmanship or materials under normal use for
one year after date of purchase. Any part which is determined to be defective in material or workmanship and
returned to an authorized service location, as Westward designates, shipping costs prepaid, will be, as the
exclusive remedy, repaired or replaced at Westward's option. For limited warranty claim procedures, see
PROMPT DISPOSITION below. This limited warranty gives purchasers specific legal rights which vary from
jurisdiction to jurisdiction.
LIMITATION OF LIABILITY. To the extent allowable under applicable law, Westward's liability for consequential
and incidental damages is expressly disclaimed. Westward's liability in all events is limited to and shall not
exceed the purchase price paid.
WARRANTY DISCLAIMER. Westward has made a diligent effort to provide product information and illustrate
the products in this literature accurately; however, such information and illustrations are for the sole purpose of
identification, and do not express or imply a warranty that the products are MERCHANTABLE, or FIT FOR A
PARTICULAR PURPOSE, or that the products will necessarily conform to the illustrations or descriptions.
Except as provided below, no warranty or affirmation of fact, expressed or implied, other than as stated in the
"LIMITED WARRANTY" above is made or authorized by Westward.
PRODUCT SUITABILITY. Many jurisdictions have codes and regulations governing sales, construction,
installation, and/or use of products for certain purposes, which may vary from those in neighboring areas. While
Westward attempts to assure that its products comply with such codes, it cannot guarantee compliance, and
cannot be responsible for how the product is installed or used. Before purchase and use of a product, review the
product applications, and all applicable national and local codes and regulations, and be sure that the product,
installation, and use will comply with them.
Certain aspects of disclaimers are not applicable to consumer products; e.g., (a) some jurisdictions do not allow
the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not
apply to you; (b) also, some jurisdictions do not allow a limitation on how long an implied warranty lasts,
consequentially the above limitation may not apply to you; and (c) by law, during the period of this Limited
Warranty, any implied warranties of implied merchantability or fitness for a particular purpose applicable to
consumer products purchased by consumers, may not be excluded or otherwise disclaimed.
PROMPT DISPOSITION. Westward will make a good faith effort for prompt correction or other adjustment with
respect to any product which proves to be defective within limited warranty. For any product believed to be
defective within limited warranty, first write or call dealer from whom the product was purchased. Dealer will give
additional directions. If unable to resolve satisfactorily, write to Westward at address below, giving dealer's
name, address, date, and number of dealer's invoice, and describing the nature of the defect. Title and risk of
loss pass to buyer on delivery to common carrier. If product was damaged in transit to you, file claim with carrier.
Manufactured for Grainger International, 100 Grainger Pkwy., Lake Forest, Illinois 60045 U.S.A.
Westward Heavy Duty Wheel Dolly
®