Craftsman 9-19905 - 1/2dr 1/4npt 500ft/lb Sq Dr Impact Wrench Owner's Manual

1/2" drive ultra-duty pistol grip impact wrench

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Owner's

Manual

CRAFTSMIIN"

1/2" Drive Ultra-Duty

PISTOL GRIP IMPACT WRENCH

Model No.

235.199050

• Safety

° Operation

° Maintenance

° Service and

Adjustments

= Parts List

• Espa_oi

_WARNING:

Before using this Impact Wrench

read this manual and follow all its

Safety and Operating Instructions.

Sears, Roebuck and Co., Hoffman Estates, IL 60179

Owner'=

M=nual

P7360 (1-98)

Printed

In USA

Table of Contents

Summary of Contents for Craftsman 9-19905 - 1/2dr 1/4npt 500ft/lb Sq Dr Impact Wrench

Page 1 Owner's Manual CRAFTSMIIN" 1/2" Drive Ultra-Duty PISTOL GRIP IMPACT WRENCH Model No. 235.199050 • Safety ° Operation ° Maintenance ° Service and Adjustments = Parts List • Espa_oi _WARNING: Before using this Impact Wrench read this manual and follow all its Safety and Operating Instructions.
Page 2: Table Of Contents
PAGE TABLE OF CONTENTS Two Year Warranty Safety Warning Labels Notice, Warning and Caution Placing Tool In Service Using the Tool Operation Air Supply and Connections Using the Power Management System Specifications Maintenance Lubrication 8-15 Service and Adjustment Disassembly Assembly Troubleshooting Parts List 17-19...
Page 3 ,_WARNING _WARNING Always wear eye Always wear hear- protection when op- ing protection erating or perform- when operating ing maintenance on this tool. this tool. _._l_gl_ Do not use dam- Operate at 90 psig aged, frayed or (6.2 bar/620 kPa) deteriorated air Maximum air hoses and fittings,...
Page 4: Placing Tool In Service
Ignored. NOTICE is used to notify people of installation, operation or main- tenance information which is important but not hazard related. This Craftsman Impact Wrench is parts, operate this toolat 90 psig (6.2 bar/620 kPa) maxi- designed for use in general auto-...
Page 5: Using The Tool
NOTICE: The use of other than direction of rotation when oper- genuine Craftsman replacement ating the throttle. parts may result in safety hazards, • Anticipate and be alert for sud-...
Page 6: Air Supply And Connections
increase the life of an air tool. The Air Supply and Connections filterremoves dust and moisture. Always use clean dry air. Dust, Be sure all hoses and fittingsare corrosivefumes and/or excessive the correct size and are tightlyse- moisture can ruin the motor of an cured.
Page 7: Specifications
(Nm) meter (Nm) 68-542 (813 max,) (610 max.) LUBRICATION Use Craftsman No. 18830 Always use an air line lubricator with these tools. Pneumatic Tool Care Kit or a good quality SAE 20 or 20W motor oil. CAUTION: Do not mark any...
Page 8: Disassembly
DISASSEMBLY covered jaws with the square driver positioned horizontally. NOTICE: Avoid excessive clamping pressure which can damage the Housing and can cause difficulty when removing the parts. 2. Unscrew and remove the four Hammer Case Screws (11). 3. While lightly tapping on the end of the Anvil (8) with a plastic hammer, lift off the Hammer Case (15) and Hammer Case...
Page 9 splined end of the Rotor (5) with NOTICE: If you continueto ro- a plastic hammer. If the Front tate the Anvil, it will cam the End Plate does not come loose, Hammers out of engagement. secure a center punchin a vise Don't do this;...
Page 10 2. Pull the Trigger (33) from the front of the Housing and re- move the Trigger O-ring (34). Rear rotor bearing SIotfortab Cylinder Bench with nonmetallic surface Tab on inlet retainer Figure 5 clip (both sides) 6. To remove the Rear Rotor Bear- ing, hold the Cylinder with the Rear Rotor Bearing down and tap the Cylinder on a flat, non-...
Page 11: Assembly
Disassembly of the Reverse Valve Mechanism NOTICE: The Reverse Valve Assembly cannot be removed without first removing the For- Reverse ward and Reverse Buttons (39) valve and (40). Therefore, it is impor- tant that the procedure below Figure 10 be followed exactly. 1.
Page 12 NOTICE: If the Reverse Valve and Hammer Case Bushing is pushed up too far and be- (16) with Craftsman No. 18830 comes wedged, it willhave to Grease. be pushed back down through 3. Apply a film of o-ring lubricantto...
Page 13 4. Install the Trigger O-ring (34) on move the Trigger before pro- the Trigger. Insert the Trigger ceeding with installation of the Assembly in the front of the throttle mechanism. Housing. Assembly of Throttle Mecha- 5. Rotate the Reverse Valve in ei- nism ther direction until an ear comes Using an Inlet Bushing Screen...
Page 14 Installation _WARNING: ..i-..-... ofmotor ". Do not use compressed air to /" gasket check installationof the Tilt Valve Seat Retainer or Inlet "_ ":i]i i -'_ :_:_ 't /..i! BushingScreen unless the en- l_:.!.:_" .i.._i tire Inlet BushingAssembly is !!_,..'%.
Page 15 Air Wrench will not function ing Hammers to utilize both im- properly. See Figure 19. pacting surfaces, slide the 4. Apply a thin film of Craftsman Hammers in the Hammer No. 18830 Grease on inside Frame so that the half-round...
Page 16 Trouble Probable Cause Solution Low power Dry Motor Daily, inject 3 cc of Craftsman No. 18830 Oil into the inletand run the tool to lubricate the motor. Inadequate air Install proper air supply and connec- supply tion. Refer to Figure 1 on Page 5.
Page 17 235.199050...
Page 18 PART NUMBER'-'---_ PART NUMBER-'--_ 2131-3A Hammer Case Grease C_,linder ......Front End Plate ....2131-11 DOF9-879 Fitting ....2131-97 Hammer Case Gasket ..2131-36 Rotor Bearing (2) ....CR2131-B40 Housing Assembly ..Vane Packet (set of 6 Vanes) 2131-42A-6 CR2131-301 Nameplate ....
Page 19 Craftsman Pneumatic Tool Reverse Valve O-ring (bottom) (blue) .... Care Kit (Oil, Grease) (Available Button Kit ....2131-K75 9-18830 through Craftsman ® Catalog) .. Owner's Manual ..... Forward Button .... P7350 Reverse Button .... Hammer Kit ....2131-THK1 * Not illustrated.
Page 20: Sears, Roebuck And Co., Dept. 817Wa, Hoffman Estates, Il 60179
GARANT_ TOTALDEDOSANOS Si este producto fallara debldo a un defecto en el material de fabricacibn o la mano de obra dentro de los dos afios a partir de la fecha de adquisicl6n, Sears Io reparard o sustituird, seg_n consldere oportuno, sin cargo.
Page 21 AADVERTENC_ _AADVERTENCIA Usar siempre protenc- Usar siempre ci6n ocular al manejar proteccl6n para los o realizar operaciones oidos al manejar de mantenlmlento an esta herramienta. esta herramlenta. No utllizar mangueras Manejar la herramlen- de aire y accesorios ta a una presi6n de da6adoe, desgastados aire m_xima de 90 ni deterlorados,...
Page 22 Los avisos de peligro no se deben nunca Incluir bajo el encabezamiento NOTA. herramienta a una presi6n de aire mdxima de 90 psig (6,2 bar/620 Esta Ilaves de impacto Craftsman kPa) con una manguera de modelo 19905 est_.ndiseSadas para suministro de aire con di_.metro su utilizaci6n en reparaciones interno de 10 mm.
Page 23 El uso de piezas de para tener en cuenta el sentido de rotaci6n al accionar el recambio que no sean las autdnticas piezas Craftsman puede poner en estrangulador. peligro la seguridad, reducir el • Anticipe y est_ atento a los...
Page 24 Tuber[as pdncipales 3 veces el tamafio de entradade herramientaneum&tJca AI sistema neum&tJco A la herramienta neum&tJca Lubricador Regulador Tuberfa de ramal 2 veces el tarna6o de entrada de herramienta neum_,tJca Compresor Purgar peri6dicamente Figura 1 USO DEL SISTEMA DE CONTROL DE POTENCIA ,_AVISO: apriete espec{fico se deber&n comprobar con un dispositivo...
Page 25 68-542 (810 mdx.) (813 m_x.) LUBRICACION Utilice siempre un lubricante de aire comprimido con esta herramienta. Utilice el kit Craftsman N-° 18830 para el cuidado de herramientas PRECAUClON: No marque neum_.ticas5 una buena clase de ninguna superficie no met&lica de aceite SAE20 6 20W paral el motor.
Page 26 DESMONTAJE Desmontaje de la Ilave de Impacto 1. Sujete la empur_adura de la Ilave de impacto en un tornillo de banco con mordazas cubiertas de cuero, con el cuadradillo de la Ilave en posici6n horizontal. NOTA: Evite el uso de una presi6n de fijaci6n excesiva, Io cual puede daSar la carcasa y dificultar el desmontaje de las...
Page 27 2. Con el mecanismo en posici6n 2. Saque el mando de control de vertical sobre el banco de trabajo, potencia de la parte posterior del haga girar lentamente el yunque cilindro (1). Saque el ret_n del hacia la derecha hasta que quede mando de control de potencia bloqueado.
Page 28 5. Saque el retenedor del rodamiento hacia dentro ambas leng_etas del trasero del rotor (6) de la parte clip de retenci6n de la entrada (32) posterior del rotor (5). Ahora se y tire hacia arriba de la carcasa puede extraer el rotor del cilindro. (19).
Page 29 Vdlvula caja de mazas y lubrique el inversora mecanismo de impacto y el casquillo de la caja de mazas (16) con grasa Craftsman ng 18830.
Page 30 3. Aplique una capa de lubricante sus lugares correspondientes en la v&lvula, para juntas t6ricas a todas las 3. Una vez instalada la v&lvula juntas t6ricas antes del montaje final. inversora, h&gala girar de modo que la lengL_etaquede en la parte Montaje del mecanismo de la posterior de la carcasa.
Page 31 asiento de la v&lvula (29) y el Pane soporte del asiento (30). \ posterior _AVISO: V ,v ,a El retenedor del asiento de la v&lvula de inclinaci6n (31) debe inversora estar bien instalado en la ranura del casquillo de admisi6n (22). sB:tn6._dod _L'engt]eta Para verificar que el reteneder...
Page 32 \-..,.. Montaje de la 1. Revista las mazas (14) de una ..__. juntadel motor capa ligera de grasa Craftsman n°-18830. 2. Revista de abundante grasa Craftsman n_ 18830 las mordazas del yunque (8). 3. Coloque las mazas en el bastidor...
Page 33 Montaje de la Ilave oe Impacto 4. Aplique una capa delgada de grasa Craftsman nQ18830 a la 1. SuJete la carcasa del motor (19) superficie interior del casquillo de en un tomillo de banco con la caja de mazas (16) y ponga la...
Page 34 Causa probable Solucl6n Motor seco Inyecte diariamente 3 cc de aceite Baja potencia Craftsman N_ 18830 en la admisi6n de aire, accionando luego la herra- mienta para que se lubriqueel motor. Suministro de aire Instale correctamente el suministro de insuficiente aire y las conexiones.
Page 35 235.199050 =oF-...
Page 36 NUMERO DE PIEZA NUMERO DE PIEZA 2131-3A + 18 Junta de la caja de mazas .... 2131-36 Cilindro ......Carcasa ......CR2131-B40 2131-11 Placa delantera ....2131-97 Chapa de identificaci6n .... CR2131-301 Rodamiento de rotor (2) .... Etiqueta de la carcasa .....
Page 37 NUMERO DE PIEZA -'_ NOMERO DE PIEZA"--_ Retenedor del asiento de la v&lvula Utilice el kit Craftsman N_ 18830 para el cuidado de herrarnientas neum&ticas de inclinacibn ..... 2131-57 Clip de retenci6n de la admisibn ..(Aceite, Grasa) (puede obtenerse a tray,s Gatillo .......
Page 38 NOTE: SAVE THESE INSTRUCTIONS. DO NOT DESTROY. NOTA: GUARDE ESTAS INSTRUCCIONES. NO LAS DESTRUYA. I BOO TOOL I-ILP...
Page 40 Forthe repairor replacement p adsyou need delivered directly to yourhome Call7 am- 7 pro, 7 daysa week 1-800-366-PART (1-800-366-7278) Paraordenar p eizasconentrega a domicilio - 1.-800--659-7084 For in-homemajorbrandrepairservice Call24 hoursa day,7 daysa week 1-800-4-REPAIR (1-800--.473-7247) Parapedirsan/Icio dereparaci6n a domicilio - 1800-676-5811 Forthelocationofa Sears Partsand Repair Centerin yourarea Call24 hours a day, 7 daysa week...

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