TM 10-3930-659-20 22-8. PREPARATION OF EQUIPMENT FOR AIR SHIPMENT (Con’t). 12. Remove on-board crane from cab lifting bracket and place In stowed position (see TM 10-3930-659-10). 13. Lift driver's seat backrest cushion to upright position (see TM 10-3930-659-10). NOTE Raise forks only high enough to position boom stop. 14. Start engine and raise forks (see TM 10-3930- 659-10). 15. Position boom stop (19) forward and lower forks until boom (20) rests on boom stop. 16. Shut down engine (see TM 10-3930-659-10). 17. If  installed,  remove  conveyorized  fork  attach- ments from forks (see TM 10-3930-659-10). 18. Remove muffler (see paragraph 5-27). b. INSTALLATION 1. Adjust  steering  wheel  to  rearmost  position,  set  driver's  seat  to  lowest  position,  and  tip  driver's  seat  backrest cushion forward (see TM 10-3930-659-10). 2. Raise on-board crane to highest position and install hook on cab lifting bracket (see TM 10-3930-659-10). TA706789 22-9