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1. Has practiced job during training program additional training is required to develop skill k 2 x 3 Moderately skilled x 3 x 4 Skilled Can perform job independently with no additional training x 4 xk Has performed job independently during training program limited additional training may be required Supervisor instructor signature cccecceesseeeeeeeseeeeeeeeeeeneeeeeseeeeeeeseseeeeeeeseeeeneeeess Date ainera ena ie etter SUPEFVISOF INSEFUCTOR name srecni aiana ia nee a anana anaE ES AEDS EA D ASSA AAEE ASE aS The tasks in this worksheet contain activities that also contribute towards the achievement of a range of educational and interdisciplinary skills These skills are variously described by such terms as Core Skills or Key Competencies or Applied Academics C240 x 2009 Jones and Bartlett Publishers LLC Page 42. metering proportioning pressure differential or combination valves a Ask your supervisor instructor to assign one of the above listed valves for replacement and list that here b List the flat rate time for this task C Remove the valve following the Service Manual procedure d Have your supervisor instructor verify removal of the valve and initial here SUPerviSOr INStrUCtOr S IMITIAIS cccccceseseeeeeeeeeneeeeeeceeeeeeeesceueeeseeceueeeeseceeaeeeeeeceeeeeescceeeeesesseceeeeeeessneaeesseeeeneeeess e Reinstall the valve following the Service Manual procedure Bleed the brakes and verify proper operation of the brake system 6 Return the vehicle to beginning condition and return any tools that you may have used to their proper locations 7 Have your supervisor instructor verify satisfactory completion of this procedure any observations found and any necessary action s recommended 2009 Jones and Bartlett Publishers LLC Page 3 Inspect test and or replace metering hold off proportioning balance pressure differential 240 CDe Automotive Tasksheet C240 Student s competency rating Supervisor instructor assessing performance marks applicable box 6 No information or practise provided during the program complete training required 1 Exposure only General information provided with no practice time close supervision needed additional training required x 1 x 2 Limited practice
3. Inspect test and or replace metering hold off proportioning balance pressure differential 240 CDX Automotive Tasksheet C240 Student Intern Information Learning objective task Inspect test and or replace metering hold off proportioning balance pressure differential and combination valves Recommended resource materials CDX Automotive Resource Kit CDX eTextbook e Tech service bulletins Shop manuals and any other information applicable to the specific vehicle or components you are working on Some safety issues to consider Diagnosis of this fault may require test driving of the vehicle on the school grounds or on a hoist both of which carry severe risks Only attempt this task with full permission from your supervisor instructor and follow all the guidelines exactly Anti lock Brake Systems store brake fluid under tremendous pressure that can cause severe injury even when the engine is not running Always refer to the service manual to determine how to depressurize the system safely whenever working on it Caution most types of brake fluid are harmful to painted surfaces Be sure to prevent brake fluid from coming in contact with a vehicle s paint Use fender covers to minimize this risk and be sure to wipe up any spilled brake fluid immediately with a wet rag Always wear correct protective eyewear and clothing and use the appropriate safety equipment as well as fender covers seat prot
4. ectors and floor mat protectors e Make sure that you understand and observe all legislative and personal safety procedures when carrying out practical assignments If you are unsure of what these are ask your supervisor instructor Materials required Vehicle Brake system pressure tester Flare nut wrenches Assignment 1 Research the brake hydraulic system description and operation and the testing and diagnosis procedure for this vehicle in the appropriate Service Manual 2009 Jones and Bartlett Publishers LLC Page 1 Inspect test and or replace metering hold off proportioning balance pressure differential CDX Automotive Tasksheet C240 List any specifications related to this task 2 Metering valve testing a Follow the testing procedure in the appropriate Service Manual List any observations b Determine any necessary action s 3 Proportioning valve testing a Follow the testing procedure in the appropriate Service Manual List any observations test results b Determine any necessary action s 2009 Jones and Bartlett Publishers LLC 240 Page 2 Inspect test and or replace metering hold off proportioning balance pressure differential 240 CDX Automotive Tasksheet C240 4 Pressure differential valve testing a Follow the testing procedure in the appropriate Service Manual List any observations b Determine any necessary action s 5 Remove and replace
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