TM 9-2320-209-10-3 CHAPTER 17 OUTRIGGER TROUBLESHOOTING PROCEDURES, TRUCK M764 17-1. GENERAL. Detailed troubleshooting procedures for the outrigger, truck M764 are given in this chapter. 17-2. PROCEDURES . These troubleshooting procedures are used the same way as the sample troubleshooting procedure given in chapter 7. 17-1