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CAT250 

Rev. 07/12/16

FAILURE TO OBSERVE THESE WARNINGS COULD RE SULT IN IN JU RY.

THIS  INSTRUCTION  MAN U AL  CON TAINS   
IM POR TANT  SAFE TY  INFORMATION.
READ  THIS  IN STRUC TION  MANUAL  CARE FUL LY   
AND  UN DER STAND  ALL  IN FOR MA TION  BE FORE   
OP ER AT ING  THIS  TOOL.

•  It is the responsibility of the owner to make sure all  
  personnel read this manual prior to using this air tool.  
  It is also the responsibility of the air tool owner to keep  
  this manual intact and in a convenient location for all  
  to see and read. If the manual or product labels are  
  lost or not legible, contact Cornwell for replacements.  
  If the operator is not fluent in English, the product and  
  safety instructions shall be read to and discussed  
  with the operator in the operator's native language by  
  the purchaser/owner or his designee, making sure  
  that the operator comprehends its contents.
•  Al ways op er ate, in spect and main tain this tool in  
 

ac cor dance  with  Amer i can  Na tion al  Stan dards   

 

In sti tute  Safe ty  Code  of  Por ta ble  Air  Tools  (ANSI   

  B186.1) and any oth er ap pli ca ble safe ty codes  
 

and  reg u la tions.

•  For  safety,  top  per for mance  and  max i mum  du ra bil i ty   
  of parts, op er ate this tool at 90 psig: 6.2 bar max air  
  pres sure with 3/8" di am e ter air sup ply hose.
•  Always  wear  im pact-re sis tant  eye  pro tec tion  when   
 

op er at ing  or  per form ing  main te nance  on  this  tool   

  (users and bystanders). 
•  Al ways wear hear ing pro tec tion when us ing this tool  
  (users and bystanders). High sound levels can cause  
 

per ma nent  hear ing  loss.  Use  hear ing  pro tec tion  as   

 

rec om mend ed  by  your  em ploy er  or  OSHA  reg u la tion.

•    Keep  the  tool  in  ef fi cient  op er at ing  con di tion.
•   Operators and main te nance per son nel must be  
  phys i cal ly able to han dle the bulk, weight and  
  pow er of this tool.
•  Keep tool out of reach of children.
•  Air un der pres sure can cause se vere in ju ry. Nev er  
  di rect air at your self or oth ers. Al ways turn off the  
  air sup ply, drain hose of air pres sure and de tach  
  tool from air sup ply be fore in stall ing, re mov ing or  
  ad just ing any ac ces so ry on this tool, or be fore  
  per form ing any main te nance on this tool. Fail ure  
  to do so could re sult in in ju ry. Whip hos es can cause  
 

se ri ous  in ju ry. Al ways  check  for  dam aged,  frayed  or   

 

loose  hos es  and  fit tings,  and  re place  im me di ate ly.   

  Do not use quick de tach cou plings at tool. See  
  in struc tions for cor rect set-up on page 3.
•  Air powered tools can vi brate during use. Vi bra tion,  
 

re pet i tive  mo tions  or  un com fort able  po si tions  over   

  ex tend ed pe ri ods of time may be harm ful to your  
  hands and arms. Dis con tin ue use of tool if dis com fort,  

 

  tin gling feel ing or pain oc curs. Seek med i cal ad vice  
 

be fore  re sum ing  use.

•   Place the tool on the work before starting the tool.  
  Do not point or indulge in any horseplay with this tool.
•  Note direction of rotation BEFORE operating this tool.
•  Slip ping, tripping and/or falling while op er at ing air tools  
  can be a ma jor cause of se ri ous in ju ry or death. Be aware  
  of ex cess hose left on the walk ing or work sur face.
•  Keep body work ing stance bal anced and firm. Do not  
 

over reach  when  op er at ing  the  tool.

•  Anticipate and be alert for sud den chang es in mo tion  
  dur ing start up and op er a tion of any pow er tool.
•  Do not carry tool by the hose. Pro tect the hose  
  from sharp ob jects and heat.
•  Tool shaft may continue to rotate briefly after throttle  
  is released. Avoid direct contact with accessories  
  during and after use. Gloves will reduce the risk of  
  cuts or burns.
•  Keep away from rotating end of tool. Do not wear  
  jewelry or loose clothing. Secure long hair. Scalping  
  can occur if hair is not kept away from tool and  
  accessories. Choking can occur if neckwear is not  
  kept away from tool and accessories.
•  Do not lu bri cate tools with flam ma ble or vol a tile  
  liq uids such as ker o sene, die sel or jet fuel.
•  This tool is not insulated against electric shock.
•  This tool must not be used in explosive atmospheres.
•  Do not force tool be yond its rat ed capacity. 
•  Drill bits can bind suddenly and cause rotation of the work   
  piece or tool, causing injury to arms and/or shoulders.   

 

  Enough torque is generated to cause falls.  Always use  

 

  sharp bits. Use less downward pressure at breakthrough.
•  Never use dull, chipped or damaged accessories. Never    
  cool a hot accessory in water as brittleness and early  
  failure can result,  Accessory breakage or tool damage  
  may result from prying.  Take smaller bites to avoid  
  getting stuck.

  RPM OF THE ACCESSORY MUST EXCEED TOOL RPM

• 

Use accessories recommended by Cornwell Tools.

•  Do not use (or modify) the tool for any other purpose than   
  that for which it was designed without consulting the  
  manufacturer's authorized representative.
•  Do not remove any labels. Re place any damaged la bels.
•  This product may contain one or more chemicals known    
  to the State of California to cause cancer and birth defects  
  or other reproductive harm. 

Wash hands thoroughly  

  after handling.

•  Failure to heed these warnings may result in serious or    
  fatal personal injury and/or property damage.

WARNING

RPM

RPM

RPM

Summary of Contents for CAT250

Page 1: ...of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles Free Speed 1 800 RPM Vibration 0 5 m s2 Sound Pressure Level 95 dBA Sound Power Level 99 dBA Overall Length 8 1 2 Weight 3 lbs Average Air Consumption 4 cfm Air Inlet 1 4 NPT Air Hose Size ...

Page 2: ...owered tools can vi brate during use Vi bra tion re pet i tive mo tions or un com fort able po si tions over ex tend ed pe ri ods of time may be harm ful to your hands and arms Dis con tin ue use of tool if dis com fort tin gling feel ing or pain oc curs Seek med i cal ad vice be fore re sum ing use Place the tool on the work before starting the tool Do not point or indulge in any horseplay with t...

Page 3: ...uring operation safety goggles must always be worn to guard against flying debris users and bystanders TROUBLESHOOTING Other factors outside the tool may cause loss of power or erratic action Reduced compressor output excessive drain on the air line moisture or restrictions in air pipes or the use of hose connections of improper size or poor conditions may reduce air supply Grit or gum deposits in...

Page 4: ... RS79515 Rotor 1 16 RS78716 Rotor Blades 5 17 RS78717 Spring Pin 2 5x55L 2 18 RS78718 Cylinder 1 Ref Item DESCRIPTION QTY 19 RS79519 Spacer 1 22 RS79522 Internal Gear 1 23 RS79523 Planet Gear includes 25 3 24 Pin included with 26 4x13 8L 3 25 Bushing included with 23 3 26 RS76226 Work Spindle with Pins 1 28 RS21118 Ball Bearing 6201ZZ 2 29 RS79529 Chuck Spacer 1 30 RS79530 Screw M5x25L 1 31 RS2553...

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