TM 9-2815-225-34&P 3-66.  TASK SUMMARY (Contd) List of Tasks (Contd) TASK PARA. PROCEDURES TASK REF. TROUBLESHOOTING REF. NO. (PARA.) 17. Valve Crossheads Installation and Adjustment 3-83 2-8 a.  Installation 3-83a b.  Adjustment 3-83b 18. Rocker Arm Housing Assembly Installation 3-84 2-8 19. Injector and Valve Adjustment 3-85 2-8 20. Engine Retarder Installation 3-86 2-8 a.  Installation 3-86a b.  Slave Piston Adjustment 3-86b 21. Air Aftercooler Installation 3-87 2-8 22. Removing Engine from Maintenance Stand 3-88 2-8 a.  Removal from Maintenance Stand 3-88a b.  Component Installation 3-88b 3-541