NHTSA ID Number: 10166267
Manufacturer Communication Number: SERV473 Recall
TSB/Document Date: 2019-10-21
Summary
TSB - PROTORQ SNAP RING RECALL
TECHNICAL SERVICE BULLETIN
DATE:
October 22, 2015
SERVICE BULLETIN #473
TO:
REGIONAL OPERATIONS AND SALES MANAGERS, DEALER
PRINCIPALS, PARTS AND SERVICE MANAGERS
FROM:
BARRY A. MITCHELL
SUBJECT: NHTSA Recall 15V-649: PRO-TORQ Axle Spindle Nut Keepers
Great Dane
Trailers recently determined that dry freight vans and converter dollies
manufactured at our Kewanee, IL plant may have the PRO-TORQ axle spindle nut
keeper improperly engaged or missing on some wheel ends. We are therefore initiating
a NHTSA RECALL campaign in order to inspect and/or correct any wheel end keeper
that may not be properly engaged or installed.
Attached you will find a list of the trailer
and dolly VIN’s affected by this RECALL that
have not yet been inspected and/or corrected. You will also find a copy of the
notification letter sent out for each VIN instructing the owner to present each trailer
and/or dolly to a Great Dane
Service facility for inspection/correction. When
presented with one of the trailers/dollies on the list you should verify that it has not
previously been addressed and then follow the attached inspection and installation
procedure for the PRO-TORQ Axle Spindle Nut and Keeper, as necessary.
Upon completion of the NHTSA RECALL Campaign, fill out and fax the attached
inspection form to Customer Service (912) 644-2164. If you are unsure if a particular
trailer
or dolly has been addressed you should contact Great Dane
Customer Service for
verification.
B
A
B
STEP 2
A
STEP 1
C
STEMCO
ISO/TS 16949
P.O. BOX 1989
LONGVIEW, TX 75606-1989
(903) 758-9981
FAX (903) 232-3508
1-800-527-8492
TOOLS REQUIRED FOR INSTALLATION
(3/4˝ Drive)
Owatonna Co. Euclid Int’l.
Ref. Part No.
Ref. Part No.
HERRAMIENTAS QUE SE REQUIEREN PARA LA INSTALACIÓN
No. de Parte
Dado
Requerido
Con maza o maza y tambor solamente:
A (1) Apriete la tuerca hasta 200 pie-lb. Gire la rueda por lo menos una
vuelta completa.
(2) Apriete la tuerca hasta 200 pie-lb. Gire la rueda por lo menos una
vuelta completa.
(3) Apriete la tuerca hasta 200 pie-lb.
B Afloje la tuerca hasta que quede libre.
Con maza, tambor y rueda:
A Apriete la tuerca hasta 200 pie-lb mientras gira la rueda.
B Afloje la tuerca hasta que quede libre.
ASENTAR LOS RODAMIENTOS:
Note: Ford
application 12,000 lbs. SIFCO Steer Axle requires OEM inner washer to be
installed prior to installation of PRO-TORQ® nut system.
Nota: La aplicación del eje de dirección SIFCO para Ford
de 12,000 lb, requiere de una roldana
interna de equipo original que debe instalarse antes de colocar el sistema de tuerca PRO-TORQ.®
1925
1917
1921
1922
1921
1920
1906
1906
1915
1917
1925
1925
Octogone 3 3/4˝
Octogone 4 3/8˝
Hexagone 2 1/2˝
Hexagone 2 5/8˝
Hexagone 2 1/2˝
Hexagone 3 1/2˝
Hexagone 3˝
Hexagone 3˝
Hexagone 4 1/8˝
Octogone 4 3/8˝
Octogone 3 3/4˝
Octogone 3 3/4˝
E-1915
E-1917
E-1925
E-1925
E-1922
E-1921
2 1/2-12
E-1906
E-1906
E-1921
E-1925
E-1917
E-1597
Note: Pour l’essieu de direction Ford
12,000 lbs. SIFCO, l’installation requiert la rondelle intérieure du manufacturier avant l’installation du système d’écrou PRO-TORQ.®
1941
Octogone 4 13/16˝
OUTILS NÉCESSAIRES POUR L´INSTALLATION
Owatona Co.
Euclid Int’l.
(à prise 3/4˝)
Ref. Numéro
Ref. Numéro
de Pièce
de Pièce
Avec moyeu ou moyeu/tambour seulement:
Avec une clé dynamométrique:
A (1) Serrer l’écrou à 200 pi./lbs. Faire tourner la roue un tour complet.
(2) Serrer l’écrou à 200 pi./lbs. Faire tourner la roue un tour complet.
(3) Serrer l’écrou à 200 pi./lbs.
B Déserrer l’écrou jusqu’à ce qu’il soit libre.
Avec moyeu/tambour/roues :
A Serrer l’écrou à 200 pi./lbs tout en maintenant la roue en rotation.
B Déserrer l’écrou jusqu’à ce qu’il soit libre.
Utilisez un petit tournevis, soulevez délicatement le bras
du contre-écrou hors des rainures situées de chaque côté
jusqu’à ce que le contre-écrou soit libéré.
POSITIONNEZ LE ROULEMENT:
A, B, C
ENLEVEZ LE CONTRE-ECROU
DE L’ECROU:
PROCÉDURE D’INSTALLATION
ET AJUSTEMENT DU ROULEMENT
DE LA ROUE
Stemco, Longview, Texas
Fabriqué aux Etats-Unis.
PRO-TORQ® est une marque enrégistrée de Stemco LP.
AVERTISSEMENT
Négliger de suivre la procédure d’installation, la roue pourrait se
détacher et être la cause de blessures corporelles. L’Ecrou d’essieu
PRO-TORQ® est vendu comme un assemblage avec le contre-écrou
déjà en place. NE PAS essayer de placer l’écrou sur l’essieu, de serrer
ou de desserrer l’écrou sur l’essieu, quand le contre-écrou est calé à
l’intérieur de l’écrou. Cela pourrait déformer le contre-écrou et permettre à l’écrou de se dévisser pendant que celui-ci est en opération.
Pour les systèmes avec barillets ou pour les moyeux unifiés, suivre les
procédures de couple de serrage du manufacturier.
NE PAS FAIRE RECULER L ‘ ECROU.
Pro-torq® peuvent être utilisés avec les PRESET ou les assemblages
de moyeu LMS. Quand utilisés avec ces systèmes , il est important de
suivre les instructions spécifiques d’ installation de la compagnie de
fabrication du moyeu. Pour les PRESET ou les assemblages de moyeu
LMS, régler l’ écrou avant- gardiste Pro-torq® à un minimum de 250 ft.
lbs. Engager le contre - écrou. Si le contre-écrou ne peut être engagé,
avancer l’ écrou avant- gardiste jusqu’ à ce qu’il puisse être engagé.
Procédure d’installation des Pro-Torq® pour les PRESET
ou les assemblages de moyeu LMS. Les écrous avant- gardistes
CETTE PROCÉDURE PRODUIRA DE
FAÇON CONSTANTE, UN JEU AXIAL DU
ROULEMENT DE .001” À .003”.
Douille Requise
Numéro de Pièce
Trailer Axle Nut
Tuerca para eje de trailer Ecrou d’Essieu de
447-4723
4 13/16˝ 8 point
1941
E-1597
447-4723
Dado octagonal de 4 13/16 pulg
Remorque
447-4724
447-4724
447-4723
447-4724
Trailer
Axle Nut Tuerca para eje de trailer![]()
Ecrou d’Essieu de
447-4743
3 3/4˝ 8 point
1925
E-1925
447-4743
Dado octagonal de 3 3/4 pulg
Remorque
449-4973
4 3/8˝ 8 point
1917
E-1917
449-4973
Dado hexagonal de 4 3/8 pulg
447-4743
449-4973
Steering Spindle Nut
Tuerca para eje de dirección
Ecrou d’Essieu Avant
448-4836
2 1/2˝ 6 point
1921
E-1921
448-4836
Dado hexagonal de 2 1/2 pulg
448-4836
448-4837
448-4837
448-4837
448-4838
448-4838
448-4838
448-4839
2 5/8˝ 6 point
1922
E-1922
448-4839
Dado hexagonal de 2 5/8 pulg
448-4839
448-4840
2 1/2” 6 point
1921
E-1921
448-4840
Dado hexagonal de 2 1/2 pulg
448-4840
448-4863
3 1/2” 6 point
1920
2 1/2-12
448-4863
Dado hexagonal de 3 1/2 pulg
448-4863
448-4864
3˝ 6 point
1906
E-1906
448-4864
Dado hexagonal de 3 pulg
448-4864
448-4865
3˝ 6 point
1906
E-1906
448-4865
Dado hexagonal de 3 pulg
448-4865
Drive Axle Nut
Tuerca para eje de tracción Ecrou d’Essieu à Traction
449-4904
4 1/8˝ 6 point
1915
E-1915
449-4904
Dado hexagonal de 4 1/8 pulg
449-4904
449-4973
4 3/8˝ 8 point
1917
E-1917
449-4973
Dado hexagonal de 4 3/8 pulg
449-4973
449-4974
3 3/4˝ 8 point
1925
E-1925
449-4974
Dado hexagonal de 3 3/4 pulg
449-4974
449-4975
449-4975
3 3/4˝ 8 point
1925
E-1925
449-4975
Dado hexagonal de 3 3/4 pulg
Part Numbers
Socket Req’d.
With hub or hub/drum only:
Using a torque wrench:
A (1) Tighten the nut to 200 ft-lbs. Spin the wheel at least one full rotation.
(2) Tighten the nut to 200 ft-lbs. Spin the wheel at least one full rotation.
(3) Tighten the nut to 200 ft-lbs.
B Back the nut off until it is loose.
With hub/drum/wheels:
A Tighten the nut to 200 ft-lbs while the wheel is rotating.
B Back the nut off until it is loose.
Utilice un desarmador pequeño para desalojar
cuidadosamente el brazo del seguro de la ranura en cada
lado, hasta que se suelte el seguro.
A, B, C
A, B, C
Use a small screwdriver to carefully pry the keeper arm
from the undercut groove on each side until the keeper
is released.
REMOVER EL SEGURO
DE LA TUERCA:
PROCEDIMIENTO PARA INSTALACIÓN DE
LA TUERCA Y PARA EL AJUSTE DE LOS
RODAMIENTOS DE LA RUEDA DE EJE
REMOVE THE KEEPER
FROM THE NUT:
INSTALLATION PROCEDURE
AND WHEEL BEARING ADJUSTMENT
Stemco, Longview, Texas
Hecho en E.E.U.U.
PRO-TORQ® es una marca registrada de Stemco LP.
Stemco, Longview, Texas
Made in U.S.A.
PRO-TORQ® is a registered trademark of Stemco LP.
PRECAUCIÓN
No seguir las siguientes instrucciones de instalación puede
causar el desmontaje de la rueda resultando en un grave accidente. La tuerca para eje PRO-TORQ® se vende como un ensamble
completo que incluye un seguro en su lugar. NO intente colocar
apretar ni aflojar la tuerca en el eje mientras el seguro esté ensamblado dentro de la tuerca. No seguir estas instrucciones puede
causar que se deforme el seguro y que se afloje la tuerca durante su
operación. Para masas selladas o sistemas con espaciadores siga las
recomendaciones del fabricante para procedimientos de torque.
Failure to follow this instruction could cause the wheel to come
off and cause bodily injury.
The PRO-TORQ® Spindle Nut is sold as an assembly with the keeper
in place. DO NOT attempt to place the nut on the spindle or
tighten or loosen the nut on the spindle while the keeper is locked
inside the nut. Doing so may deform the keeper and allow the nut
to unthread during operation.
For unitized hub or spacer system follow manufacturer recommended torque procedure.
DO NOT BACK OFF THE SPINDLE NUT.
Las tuercas para espiga Pro-Torq® pueden ser usadas con los
ensambles de mazas PreSet® y LMS®. Cuando estos sistemas son
usados, es importante seguir las especificaciones de producto
del fabricante de maza para instrucciones de instalación. Para
ensambles de maza PreSet y LMS, aplique el torque a la tuerca ProTorq mínimo a 250 lbs/pie. Coloque el seguro. Si el seguro no puede
ser colocado, avance la tuerca de la espiga hasta que este pueda ser
colocado apropiadamente. NO GIRE HACIA ATRAS LA TUERCA.
Pro-Torq® Procedimiento de Instalación para Mazas PreSet® o LMS®:
Pro-Torq® Installation Procedure for PreSet® or LMS® Hubs:
Pro-Torq® spindle nuts may be used with PreSet® or LMS® hub
assemblies. When used with these systems, it is important to follow
the hub manufacturers’ product specific installation instructions.
For PreSet and LMS hub assemblies, torque the Pro-Torq spindle nut
to a minimum of 250 ft. lbs. Engage the keeper. If the keeper can
not be engaged, advance the spindle nut until it can be engaged.
ESTE PROCEDIMIENTO DARÁ
CONSISTENTEMENTE EL AJUSTE A LOS
RODAMIENTOS ENTRE .001” Y .003”.
THIS PROCEDURE WILL CONSISTENTLY
PRODUCE A BEARING SETTING
OF .001” TO .003” END PLAY.
B
B
PART NO. 09-571-0006
HUDSON 10-224 • 08/11
STEP 6
STEP 5
A
STEP 4
A
STEP 3
A
C
FINAL BACKOFF
PART NUMBER
Trailer Axle Nut
447-4723
447-4724
449-4973
Trailer Axle Nut
447-4743
Steering Spindle Nut
448-4836
448-4838
448-4839
448-4863
448-4864
448-4865
Steering Spindle Nut
448-4837
448-4840
Drive Axle Nut
449-4904
449-4973
449-4974
449-4975
AJUSTE FINAL
NO. PARTE
AFLOJAR
Tuerca para eje de trailer![]()
447-4723
447-4724
1/8 de vuelta
449-4973
Tuerca para eje de trailer
447-4743
1/4 vuelta
Tuerca de eje de dirección
448-4836
448-4838
448-4839
1/4 vuelta
448-4863
448-4864
448-4865
Tuerca de eje de dirección
448-4837
1/3 vuelta
448-4840
Tuerca para eje de tracción
449-4904
449-4973
1/8 de vuelta
449-4974
449-4975
A
La carátula debe de ser utilizada contra la masa o el tambor. Ajuste la base
magnética en la espiga de tal manera que la aguja de la carátula haga contacto con
la masa, la posición correcta de la aguja es paralela a la alineación de la espiga.
Sostenga con ambas manos la rueda, una a las 3 en punto y otra a las 9 en punto
conforme a las manecillas el reloj. Presione la Terminal de rueda hacia afuera y hacia
adentro mientras oscila la rueda aproximadamente 45 grados. Pare de oscilar de tal
manera que el indicador en la carátula este en la misma posición antes de empezar el
proceso. Interprete el juego de los rodamientos de acuerdo a lo que marco la carátula.
*Juego aceptable en Terminal de rueda es .001” - .005”
Para ajuste en otro modelo de tuercas, consulte las especificaciones del fabricante.
STEMCO no asume responsabilidad en garantías de rodamientos.
Grasp the wheel or hub assembly at the 3 o’clock and 9 o’clock positions.
Push and pull the wheel-end assembly in and out while oscillating the wheel
approximately 45 degrees. Stop oscillating the hub so that the dial indicator tip is
in the same position as it was before oscillation began. Read the bearing end-play
as the total indicator movement.
*Acceptable end-play is .001” - .005”
For single nut self-locking systems, consult manufacturers’ specifications.
STEMCO assumes no responsibility for bearing warranty.
JUEGO AXIAL ACEPTABLE:
The dial indicator should be attached to the hub or brake drum with its magnetic
base. Adjust the dial indicator so that its plunger is against the end of the
spindle with its line of action approximately parallel to the axis of the spindle.
ACCEPTABLE END PLAY:
No seguir las siguientes instrucciones de instalación puede
causar el desmontaje de la rueda resultando en un grave
accidente. Asegúrese de que la lengüeta y los brazos del seguro
estén totalmente encajados en el ranura maquinada de la tuerca.
Inspeccione la legüeta para asegurarse de que no haga contacto
con el fondo de la ranura maquinada del eje. Si existe contacto,
notifique inmediatamente a su representanet de PRO-TORQ®.
INSPECCIONE LA INSTALACIÓN:
Failure to follow this instruction could cause the wheel to come
off and cause bodily injury. Make sure that the keeper
tab and keeper arms are fully seated into the undercut groove.
Inspect keyway tang to insure it does not contact the bottom of
the keyway. If contact exists, immediately notify your PRO-TORQ®
representative.
A
de instalación puede causar el desmontaje de la rueda
resultando en un grave accidente. No doble ni manipule de
ninguna manera la lengüeta. De hacerlo, puede causar que ésta
se rompa durante el servicio. La práctica recomendada es
remplazar el seguro cada vez que el ensamble de la tuerca
Pro-Torq es removido para fines de mantenimiento.
PRECAUCIÓN — No seguir las siguientes instrucciones
B
C
A
B
C
A
EL LADO ANARANJADO DEBE ESTAR A LA VISTA
Inserte la lengüeta del seguro en el ranura maquinada de la tuerca y
encajela en la ranura correspondiente del eje de la rueda. Inserte la
lengüeta del seguro con la parte anaranjada hacia afuera.
Encaje los dientes.
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TSB/Document ID: SERV473 Recall
Replacement Service Bulletin Number:
MFR Communication Date: 2015-10-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
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