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July 25, 2019 NHTSA CAMPAIGN NUMBER: 19V552000
Jack Handle May Separate from Jack Assembly
If the jack separates from its assembly, it may become a road hazard, increasing the risk of a crash.
NHTSA Campaign Number: 19V552
Manufacturer MMDi, Inc.
Components EQUIPMENT
Potential Number of Units Affected 120
Summary
MMDi, Inc. (MMDi) is recalling certain 2019 Cummins ‘G’ A057P788 trailers equipped with Towking brand 12k jacks. The jack handle may have been improperly fastened, allowing the jack handle to separate from the jack assembly.
Remedy
MMDi has notified owners, and will provide a nylon locking nut to replace the standard nut used and specific work instructions for replacing the nut, free of charge. The recall began July 25, 2019. Owners may contact MMDi customer service at 1-704-822-4550.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Tow King Top Wind Jack Repair Instructions
Please read these instructions carefully. If you have any questions, please call Michael Edwards or Ed Huffstetler with MMDiat 704-882-4550.
Jack Nut Repair on Tow King Jacks
Issue – As seen in IMG 3810 (bottom left), the base of the handle was shipped with a regular nut instead of a locking nut.
A locking nut would ensure the nut does not come off the handle sleeve bolt.
In IMG 3806 (bottom right), the regular nut is replaced with a nylon locking nut , which will not allow the nut to work its way off the handle sleeve bolt.
Parts Required (provided by MMDi):
- 6mm x 35mm bolt
- Fastenal Bolt Part Number 11103347 https://www.fastenal.com/products/details/11103347
- 6mm nylock nut
- Fastenal Nut Part Number 1140155 https://www.fastenal.com/product?query=1140155&fsi=1
Remove the existing nut and bolt and replace with the new, provided bolt and nut. The nut should be tightened so that it is close to the shaft with a gap of 1 to 2mm as shown below. No torque requirement is specified as the nuts are self locking. The finished installation is shown below.
IMPORTANT SAFETY RECALL
This notice applies to your vehicle (MMDi trailers) with the following VINs:
See attached list
This notice is sent to you in accordance with the National Traffic and Motor Vehicle Safety Act.
As we discussed today in our telephone conversation, United Rentals recently purchased severalCummins generators which were mounted on trailers manufactured by MMDi, Inc. MMDi has decided that a defect, which is related to motor vehicle safety, exists on the jacks installed on certain trailers manufactured by MMDi in early 2019. As a result, MMDi is conducting a safety recall of the affected trailers. Your trailers are included in this recall action.
What is the concern?
Towking jacks – one brand of jack briefly used by MMDi – utilized a standard nut to hold the jack handle in place rather than the specified nylon locking nut. There is a risk that this standard nut will work loose, causing the bold sleeve to slip out of position and thereby allowing the jack handle to separate from the jack assembly and the foot of the jack to drop to the pavement.
What is the remedy for the defect?
There is a simple remedy for the identified defect, which is to replace the bolt and nut used to fasten the jack handle onto the jack assembly.
What should you do?
Enclosed are Work Instructions, together with a replacement bolt and nylon locking nut. Please read the Instructions carefully and replace the existing bolt and standard nut with the replacement bolt and nylon locking nut provided by MMDi. The repair should only take a few minutes to perform.
If you have questions or concerns about this recall, please contact the Cummins Customer Assistance Center at 1-800-CUMMINS (1-800-286-6467) and specifically reference Cummins Campaign number is 3795.
You are also welcome to contact MMDi directly if you find that you do need assistance to perform the repair on any of your trailers, as follows:
Deborah Edwards
MMDi, Inc.
200 Beltway Blvd.
Matthews, NC 28104
704-882-4550
dedwards@mmdicorp.com
If after having attempted to take advantage of this recall you believe you have not been able to have your vehicle (trailer) remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1-888-327-4236 (TTY: 1-800-424-9153); or go to https://www.safercar.gov.
MMDi appreciates your confidence in our product and wants to do everything we can retain that confidence. We recognize this repair may be an inconvenience to you and greatly appreciate your cooperation.
Deborah L. Edwards
1 Affected Product
Vehicle
| MAKE | MODEL | YEAR |
| CUMMINS POWER GENERATION | GENERATOR SET | 2019 |
6 Associated Documents
Recall Quarterly Report #2, 2019-4
RCLQRT-19V552-8204.PDF 211.222KB
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Remedy Instructions and TSB
RCRIT-19V552-8273.pdf 360.083KB
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Owner Notification Letter(Part 577)
RCONL-19V552-2755.pdf 123.926KB
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Recall Quarterly Report #1, 2019-3
RCLQRT-19V552-1230.PDF 211.122KB
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Recall Acknowledgement
RCAK-19V552-6680.pdf 244.841KB
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Defect Notice 573 Report
RCLRPT-19V552-2064.PDF 214.999KB
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Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=19V552&docType=RCL
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- 12,000 POUND CAPACITY: REESE Pro Series Weld On Trailer Jack dramatically improves side load strength to lift utility trailers, vehicles, boats, and RVs.
- SUPERIOR STRENGTH: Heavy duty trailer jack is constructed from premium steel for superior strength and durability.
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