TM  10-3930-643-34 ENGINE,  FUEL,  EXHAUST  AND  COOLING  TROUBLESHOOTING  AND  MAINTENANCE. 4-2. Engine Assembly. (Sheet 5 of 10) REMOVAL 21. Using a 9/16” open and box end wrench,  remove  charging  pump  (20). Leave hoses attached. 22. Using a 1/2” open end wrench, disconnect drive shaft (22) and slide forward, away from torque converter. 23. Using 15/16” and 1-1/2” wrenches, disconnect hose assemblies (23 and 24). 24. Using a flat tip screwdriver, disconnect hose assembly (25) from flywheel  housing. Go to sheet 6 4-19