Hydro/Hydraulic Assist Transmission Common Course Outline

Course Information Organization South Central College Revision History 2008-2009 Course Number AGME2832 Department Ag Service Technician Total Credits 2

Description This course covers speed change, powershift and hydrostatic transmissions. The student identifies transmission operation, traces power flow and diagnoses problems. The student performs disassembly, repairing, reassembly, testing and adjusting of various transmissions. The transmissions covered in the course include John Deere 8 & 15 speed and the John Deere 8000 series powershift transmission. International Harvester TA, International Harvester Hydrostatic and the Case-IH Magnum transmission. White 3 speed and the Case RPS-34. Sunstrand/Eaton hydrostatic. If you have a disability and need accommodations to participate in the course activities, please contact your instructor as soon as possible.

Types of Instruction Instruction Type Contact Hours Credits Lab 64 2

Prerequisites AGME1821, AGME1831

Exit Learning Outcomes Core Abilities A. Critical Thinking B. Math Logic C. Professionalism

Competencies 1. Review power train theory Learning Objectives a. Review power train theory b. Explain planatery systems c. Explain wet clutchs 2. Explain measuring and evaluating worn parts Learning Objectives a. Perform measuring of components b. Evaluate component specifications based on service standards c. Determine whether parts are to be replaced or reused based on evaluation 3. Describe J.D. powershift operation Learning Objectives a. Explain J.D. 8 speed powershift operation b. Disassemble J.D. 8 speed powershift transmission c. Reassemble J.D. 8 speed powershift transmission d. Pressure test/adjust J.D. 8 speed transmission e. Identify J.D. 8 speed hydraulic circuitry f. Troubleshoot (J.D. 8 speed) transmission g. Explain J.D. 15 speed powershift transmission h. Identify J.D. 15 speed hydraulic circuitry i. Identify J.D.18 speed powershift transmission j. Identify J.D. 18 speed hydraulic circuitry k. Disassemble J.D. 18 speed transmission l. Measure and evaluate parts m. Reassemble J.D. 18 speed transmission n. Pressure test/adjust JD 18 speed transmission 4. Describe IH hydraulic assist transmission operation Learning Objectives a. Identify (International Harvester) hydraulic TA components b. Disassemble (IH) TA c. Identify TA powerflow d. Identify speed/range transmission e. Reassemble (IH) TA f. Adjust TA linkage g. Check/adjust TA pressure 5. Describe hydrostatic transmission theory 6. Describe IH Hydrostatic transmission operation Learning Objectives a. Explain hydrostatic theory b. Explain hydrostatic components c. Disassemble hydrostatic transmission d. Measure and evaluate parts e. Explain hydraulic oil flow f. Explain power flow g. Reassemble hydrostatic transmission h. Adjust transmission components 7. Describe Case IH Magnum powershift transmission operation Learning Objectives a. Explain Magnum transmission operation b. Disassemble Magnum transmission c. Measure and evaluate parts d. Explain hydraulic circuitry e. Explain power flow f. Reassemble Magnum transmission g. Adjust transmission components 8. Describe Case powershift transmission operation Learning Objectives a. Explain (Case) powershift transmission operation b. Disassemble (Case) powershift transmission c. Measure and evaluate parts d. Identify (Case) powershift hydraulic circuitry e. Identify (Case) powershift valve operation f. Identify (Case) powershift transmission powerflow g. Reassemble (Case) powershift transmission h. Adjust transmission components 9. Describe White/Oliver powershift transmission operation Learning Objectives a. Explain (White 3 speed) transmission b. Disassemble (White 3 speed) transmission c. Measure and evaluate parts d. Identify (White 3 speed) hydraulic flow e. Identify (White 3 speed) transmission powerflow f. Reassemble (White 3 speed) transmission g. Adjust transmission components 10. Describe Sundstrand/Eaton hydrostatic transmission Learning Objectives a. Explain differences between tractor/combine hydrstatic transmissions b. Identify hydrostatic transmission components c. Disassemble hydrostatic pump/motor d. Identify hydrostatic valving operation e. Perform component inspection/repair f. Reassemble hydrostatic pump/motor g. Adjust hydrostatic transmission components 11. Perform hydraulic pressure checks where needed Learning Objectives a. Explain hydraulic pressure checks on disassembled transmissions b. Check hydraulic pressures on different transmissions when available