Craftsman 351.252741-3
This 3" cross vise is a high-quality tool for precise positioning of workpieces. It features a vise body, saddle, base, and jaws made of high-strength cast iron. The vise leadscrew, longitudinal leadscrew, and crossfeed leadscrew are precision-ground carbon steel.
The vise travels on two separate axes, longitudinal and crossfeed, allowing for accurate positioning of the workpiece. The longitudinal travel is 5 inches, and the crossfeed travel is 5 inches. The maximum jaw opening is 3 inches, and the jaw width is 3 inches.
The vise comes with a protective coating that should be removed before operation using penetrating oil. It can be mounted to a work surface using at least two mounting flanges located on the base. The longitudinal and crossfeed crank handles can be adjusted to secure the workpiece in place.
Craftsman 351.252741-3
This 3" cross vise is a high-quality tool for precise positioning of workpieces. It features a vise body, saddle, base, and jaws made of high-strength cast iron. The vise leadscrew, longitudinal leadscrew, and crossfeed leadscrew are precision-ground carbon steel.
The vise travels on two separate axes, longitudinal and crossfeed, allowing for accurate positioning of the workpiece. The longitudinal travel is 5 inches, and the crossfeed travel is 5 inches. The maximum jaw opening is 3 inches, and the jaw width is 3 inches.
The vise comes with a protective coating that should be removed before operation using penetrating oil. It can be mounted to a work surface using at least two mounting flanges located on the base. The longitudinal and crossfeed crank handles can be adjusted to secure the workpiece in place.
Operator's Manual
CRRFT. RN °
CROSS VISE
Model No.
351.252741 -3"
351.252181 - 6"
351.253351 -8"
CAUTION: Read and follow
all Safety Rules and Operating
Instructions before First Use
of this Product.
• Safety
• Assembly
• Operation
• Maintenance
• Parts List
• Espa_ol
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
2660.01 Draft (08/06/99)
Warranty....................................... 2
Safety Rules.................................... 2
Assembly ...................................... 2
Operation ...................................... 2
Maintenance.................................... 3
Parts Illustrationand List ......................... 4-5
Espafiol ...................................... 6-7
FULL ONE YEAR WARRANTY ON CRAFTSMAN
CROSS VISES
Ifwithin one full year from the date of purchase, this
Craftsman Cross Vise fails due to a defect in materfel or
workmanship, Sears will repair it free of charge.
Warranty service is available by simply returningthe Cross
Vise to the nearest Sears Store or Service Center throughout
the United States.
This warranty gives you specificlegal rights and you may
have other rightswhich vary from state to state.
Sears, Roebuck and Co., Dept 817WA, Hoffman Estates, IL
60179
• Understand and obey all safety instructionssuppliedwith
drillpress, mill,or other machines on which vise is used.
• Bolt or clamp vise to work surface in at least two mounting
locations using mounting flanges provided on base.
• Be sure workpiece isclamped securely between jaws
before starting machining operation.
• Do not over tighten--vise can develop a large damping
force.Use onlyforce which is needed.
• Do not pound or hammer on workpiece. This vise is
designed to clamp the workpiece in a desired positionfor
machining operations only.
MODEL 252741, 3" VISE
Refer to Figure 1.
• Mount crank handles (Fig. 1, No. 12) to longitudinaland
cressfeed leadscrews (Fig. 1, Nos. 9 and 23) using acorn
nuts (Fig. 1, No. 13).
• This vise is shipped with a protective coating.This coating
should be removed before operation. Remove protective
coating with penetratingoil.
MODELS 252181 AND 253351,6" AND 8" VISES
Refer to Figure 1.
• Thread movablejaw leadscrew (Fig. 1, No. 14) through end
ofbody (Fig. 1, No. 16) and into holein movablejaw (Fig. 1,
No. 18).
• Secure with dog point set screw (Fig. 1, No. 19)
• Mount crank handles (Fig. 1, No. 12) to longitudinaland
crossfeed leadscrews (Fig. 1, Nos. 9 and 23) using acorn
nuts (Fig. 1, No. 13).
• This vise is shipped with a protectivecoating.This coating
should be removed before operation.Remove protective
coatingwith penetrating oil.
2
DESCRIPTION
Cross Vises travel on two separate axes_ongitudinal and
crossfeed, to permit accurate positioningof workpiece. Body,
saddle, base and jaws are made ofhigh strength cast iron.
Vise feadserew, longitudinaland crossfeed leadsorewsare
precisfengroundcarbon steel.A prismaticjaw isprovidedfor
clamping roundstock.
Refer to Figure 1.
• Mount vise to work surface indesired location by securing at
least two mounting flanges located on base (Fig. 1, No. 1).
• Move saddle (Fig. 1, No. 3) by rotating longitudinal crank
handle (Fig. 1, No. 12). Tighten center set screw (Fig. 1,
No.6) to secure position.
• Move body to desired position by rotating crossfeedcrank
handle (Fig. 1, No. 12). Tighten center set screw (Fig. 1,
No. 6) to secure position.
• Open jaws of vise. Place workpiece between jaws in
desired position. Rotate movable jaw leadscrew (Fig. 1, No.
14) to secure workpiese between jaws. Be sure workpiece
is secure in vise before starting machining operation.
SPECIFICATIONS
Longitudinaltravel (leftto right).............. 5" (252741)
..................................... 8" (252180)
..................................... 8" (253351)
Cress travel (frontto back) ................. 5" (252741)
..................................... 8" (252180)
..................................... 8" (253351)
Jaw Width.............................. 3_ (252741)
..................................... 6" (252180)
..................................... 8" (253351)
Maximum Jaw Opening ................... 3" (252741)
..................................... 6" (252180)
..................................... 6" (253351)
Value of One Division ................ 0.0039" (252741)
................................. 0.0039"(252180)
................................. 0,0039" (253351)
Cross Travelper One Revolution........ 0.1181" (252741)
................................. 0.1575" (252180)
................................. 0.1575"(253351)
LongitudinalTravel per One Revolution... 0.1181" (252741)
................................. 0.1575" (252180)
................................. 0.1575"(253351)
MOUNTING PRISMATIC JAW
One prismatic jaw is provided. This prismaticjaw can be sub-
stitutedfor either flat jaw plate.
• Attach prismaticjaw to work on roundstock. Deep V-slots
allow both horizontaland vertical damping.
• Remove jaw plate by unscrewing socket head bolts (Fig. 1,
No. 17).
• Switch jaw plates and securely fasten prismaticjaw to vise,
using socket head bolts (Fig. 1, No. 17).
Particles of metal or wood can damage machined surfaces,
causing difficultor inaccurate operation.
• Keep machined surfaces and all moving parts clean and
free of dirt, chips and foreign materials.
• Keep machined surfaces and leadscrews lubricated with
medium weight machine oil.
GIB ADJUSTMENT
Refer to Figure 1.
• Adjustgibs (Fig. 1, No. 4) by tighteningthe set screws (Fig.
1, No. 6) at each end of the gibs.
• Adjustthe screws untila slight drag isfelt when rotatingthe
crank handles (Fig. 1, No. 12). Secure screws by tightening
nuts(Fig. 1, No. 5).
3
Model 351.252741,351.252181 & 351.253351
Figure 1 - Replacement Parts Illustration for 3", 6" and 8" Cross Vises
21
17 I
I
24 _
i 22
23 4
12
25
20 19
.18
p/17
,_14 13
4
KEY PART NO. FOR:
NO. 3"-252741 6"-252181 8"-253351 DESCRIPTION QTY.
1 9880.00 9900,00 9900,00 Base 1
2 9881.00 9901.00 9901.00 Crossfeed Nut 1
3 9882,00 9902.00 9902,00 Saddle 1
4 9883.00 9903.00 9903,00 Gib 2
5 STD840610 STD840610 STD840610 6-1.0turn Hex Nut* 4
6 5110.00 - - 20mm Set Screw 6
6 - 6182,00 6182,00 6-1,0 x 30ram Socket Head Bolt 6
7 9884.00 9884,00 9884,00 4.5mm Ball 2
8 9885,00 9905.00 9905.00 Collar 2
9 9886.00 9906.00 9906.00 Crossfeed Leadscrew 1
10 9887.00 9907.00 9907.00 Crossfeed Retaining Plate 1
11 1760.00 - - 6-1,0 x 16rnrn Socket Head Bolt 4
11 - 0483.00 0483.00 8-1.26 x 25mm Socket Head Bolt 4
12 9888.00 9908.00 9908.00 Crank Handle 2
13 15017.00 - - 6-1 .O mrnAcorn Nut 2
13 - 5102.00 5102.00 8-1.26 rnm Acorn Nut 2
14 9890.00 9910.00 9742.00 Leadscrew with Handle 1
15 9891.00 9911.00 9743.00 Guide Rod 1
16 9892.00 9912.00 9744.00 Body 1
17 3806.00 - - 6-1.0 x lOmm Socket Head Bolt 4
17 2661.00 - 8-1.25 x 14mm Socket Head Bolt 4
17 - 0483.00 8-1.25 x 25turn Socket Head Bolt 4
18 9894.00 9915.00 9747.00 Movable Jaw 1
19 9458.00 9458.00 9458.00 6-1.0 x 12turn Dog Point Set Screw 1
20 9895.00 9916.00 9748.00 Jaw Plate 1
21 9896.00 9917.00 9749.00 Grooved Jaw Plate 1
22 9897.00 9918.00 9918,00 LongitudinalRetaining Plate 1
23 9898.00 9919.00 2658.00 LongitudinalScrew 1
24 15018.00 15018.00 15016.00 5-0.8 x 3rnm Set Screw 2
25 9899.00 9740.00 2659.00 PrismaticJaw 1
A 2660.00 2660.00 2660.00 Operator's Manual 1
Standard hardware item available locally
A Not Shown
5
PRENSA DE TORNILLO
TRANSVERSAL
Modelo No.
351.252741 - 7,6 cm
351.252181 - 15,2 cm
351.253351 - 20,3 cm
PRECAUCION: Lea este manual y siga las
Reglas de Seguridad y las Instrucciones de
Operacibn, antes de usar este producto por la
primera vez.
Ingles ............................................. 2-3
Ilustraci6n y Lista de Partes ............................. 4-5
Garantfa ............................................. 6
Reglas de Seguridad ................................... 6
Montaje ............................................. 6
Operaci6n .......................................... 6-7
Mantenimiento ........................................ 7
MODELO 252741
PRENSA DE TORNILLO DE 7,6 CM
Refierase a la Figura 1.
• Monte los mangos de la manivela (Fig. 1, No. 12) pare alimen-
tar transversalmente y Iongitudinalmente los tomillos de entra-
da (Fig. 1, Nos. 9 y 23) usando tuercas ciegas (Fig. 1, No. 13).
• Esta prensa de tornillo se envfa con una capa protectora, la
que se tiene que remover antes de la operaci6n. Remueva la
cape protectora con acoite penetrante.
MODELOS 252181 Y 253351, PRENSAS DE TORNIL-
LO DE 15,2 CM Y 20,3 CM
Refidrase ala Figura 1.
• Atornille el tornillo de entrada de la mordaza mbvil (Fig. 1, No.
14) hasta el extremo del cuerpo (Fig. 1, No. 16) yen el agujero
de la mordaza m6vil (Fig. 1, No. 18).
• AsegGrelo con un tornillo de fijaci6n del punto de sujeei6n
(Fig. 1, No. 19).
• Monte los mangos de la manivela (Fig.l, No. 12) al tornillo de
entrada de svance longitudinal y al de svance transversal
(Fig. 1, Nos. 9 y 23) usando tuercas ciegae (Fig. 1, No. 13).
• La prensa de torniUo se env[a con un revestimiento protector.
Este revestimiento se debe remover antes de la operaci6n.
Use un aceite penetrante para removedo.
UN Al_lO COMPLETO DE GARANTIA PARA I.AS PRENSAS
DE TORNILLO TRANSVERSALES DE CRAFTSMAN
Si dentro de un a5o a partir de la fecha de compra, esta prensa
de tornillo de Craftsman fana debido a un defecto en el material o
en la mano de obra, Sears la reparard gratis.
La garantJa de servicio se encuentra disponible simplemente
dsvolviendo le prensa de tornillo al centre de servicio de Sears
m_.scercano en los Estados Unidos.
Esta garantia le da derechos legaLes especfficos y puede que
tenga otros derechos que vaHan de estado a estado.
Sears, Roebuck and Co., Dept. 817WA, Hoffman Estates; IL
60179
• Entienda y obedezca todas las instrucciones de seguridad
suministradas con la prensa pefforadora, la fresadora u otras
mdquinas con las que ee usa le prensa de tornillo.
• Aperne o sujete la prensa de tornillo en la superficie de trabajo
en por Io menos dos lugares de montaje usando lee pesta_as
de montaje que vienen con la base.
• Asegt_rese que la l_ieza de trabajo quede sujeta en forma
segura entre las mordazas antes de empezar con la operaci6n
de maquinado.
• No la epriete demasiado -- la prenee de tornillo puede deear-
rollar una gran fuerza de eujecibn. Use solamente la fuerza
que se neeesita.
• No golpee o martine la pieza de trabajo. Esta prensa de tornillo
ha sido disefiade pare sujetar la pieza de trabajo en una posi-
ci6n deseada pare las operaelones de maquinado solamente.
DESCRIPClON
Las prensas de tornillo trsnsversales Sears avanzan en dos ejes
separados -- alimentaci6n longitudinal y transversal, para permi-
tir una colocaci6n precisa de Lapieza de trabajo. El cuerpo, el
caballete, la base y las mordazaa est=_nhechas de hierro fundido
de alta resistencia. El tornillo de entrada de la prensa de tornillo,
los de svance longitudinal y los de avance transversal son de
acero al carbono esmerilados a precisi(_n. Se incluye una mot-
daze prismdtica para sujetar el material redondo.
Refidrase a 18Figure 1.
• Monte la prensa de tornillo en la superficie de trabajo en la
ubicaci6n deseada asegurando por Io menos dos pestaSas de
montaje ubicadas en la base (Fig. 1, No. 1),
• Musva el ceballete (Fig. 1, No. 3) rotando el mango de la
manivele longitudinal (Fig. 1, No. 12). Apriete el tornillo de
fijaci6n central (Fig. 1, No. 6) para asegurer ta posici6n.
• Mueva el cuerpo a la poslci6n deseada, rotando el mango de
la menivela de alimentaci6n transversal (Fig. 1, No. 12).
Apriete el tornillo de fijaci6n central (Fig. 1, No. 6) pare asegu-
tar la posicidn.
• Abra las mordazas de le prensa de tornillo. Ponga la pieza de
trabajo entre _stas en la poslei6n deseada. Rote el tornillo de
entrada de la mordaza movible (Fig. 1, No. 14) para asegurar
la pieza de trabajo entre las mordazas. Asegdrese que la
pieza de trabajo est_ segura en la prensa de torni]lo antes de
empezar la operaci6n de maquinado.
6
ESPEClFICAClONES
Recorddo longitudinal
(de lzquierda a derecha) ................. 12,7 cm (252741)
.................................... 20,3 cm (252150)
.................................... 20,3 cm (253351)
Recorddo transversal
(de adeiante haciaatrds) ................. 12,7 cm (252741)
.................................... 20,3 cm (252180)
.................................... 20,3cm(253351)
Ancho de la mordaza .................... 7,6 cm (252741)
.................................... 15,2 cm (252180)
.................................... 20,3 cm (253351)
Abe_ura m_txima de la mordaza ........... 7,6 cm (252741)
.................................... 15,2 cm (252180)
.................................... 15,2 crn (253351)
Valor de una di_si6n .................... 0,1 mm (252741)
................................... 0,1 mm(252180)
................................... 0,1 mm(253351)
Recorridotransversal porrsvolud6n ........ 3,0 mm (252741)
................................... 4,0 mm (252180)
................................... 4,0mm (253351)
Recorfido Iongitundinal per revoluci6n ....... 3,0 mm (252741)
................................... 4,0 mm (252180)
................................... 4,0 mm (253351)
MONTAJE DE LA MORDAZA PRISMATICA
Se incluye una mordazaprism_tica,la que se puedesubstituir
porcualquieraplanchade mordazaplana.
• Adjuntela mordaza prism_.tlcapara quefuncione con el mater-
ialredondo.Las ranurasprofundasen V permitenla sujeci6n
horizontaly la vertical
• Remuevala plancha de la mordazadesatornillandolospernos
de cabeza hueca.(Fig.1, No.17).
• Cambie1asplanchasde la mordazay sujeteen forms segura
la mordazaprism=_ticaa la prensade tomillo,usandolosper-
nosde cabeza hueca (Fig.1, No. 17).
Las part[culas de metal o de madera pueden da_ar las superfi-
cies aquinadss, dificultando o haciendo la operaci6n imprecisa.
• Mantenga las superficies maquinadas y todas las partes movi-
bles limpias y sin mugre, astillas y materias extra,as.
• Msntenga las superficies maquinadss y los torniltos de entra-
da lubrieados con aceite de m_.quina de media viscosidad.
AJUSTE DE LA CHAVETA
Refi_rase a la Figura 1.
Ajuste las chavetas (Fig. 1, No. 4) apretando los tornillos de
fijaci6n (Fig. 1, No. 6) en cada extremo de ias chavetas.
Ajuste los tornillos basts que se slenta una peque5a resisteneia
cuando se rotan los mangos de Is manivels (Fig. 1, No. 12). Ase-
gure los tornillos apretando las tuercas (Fig. 1, No. 5).
7
For the repair or replacement parts you need
delivered directly to your home
Call 7 am - 7 pm, 7 days a week
1-800-366-PART
(1-800-366-7278)
Para ordenar piezas con entrega a
domicillo - 1-800-659-7084
For in-home major brand repair service
Call 24 hours a day, 7 days a week
1-800-4-REPAIR
(1-800-473-7247)
Para pedir servicio de reparaci6n a
domicillo - 1-800-659-7084
For the location of a Sears Parts and
Repair Center in your area
Call 24 hours a day, 7 days a week
1-800-488-1222
When requesting service or ordering
parts, always provide the following
information:
SEARS
• Product Type • Part Number
• Model Number • Part Description America'sRepairSpecialists
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
Craftsman 351.252741-3
This 3" cross vise is a high-quality tool for precise positioning of workpieces. It features a vise body, saddle, base, and jaws made of high-strength cast iron. The vise leadscrew, longitudinal leadscrew, and crossfeed leadscrew are precision-ground carbon steel.
The vise travels on two separate axes, longitudinal and crossfeed, allowing for accurate positioning of the workpiece. The longitudinal travel is 5 inches, and the crossfeed travel is 5 inches. The maximum jaw opening is 3 inches, and the jaw width is 3 inches.
The vise comes with a protective coating that should be removed before operation using penetrating oil. It can be mounted to a work surface using at least two mounting flanges located on the base. The longitudinal and crossfeed crank handles can be adjusted to secure the workpiece in place.
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