TM-9-2350-311-20-2 Maintenance Manual Volume 2 for M109 Cab Download
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TM 9–2350–311–20–2 3–1 CHAPTER 3 TROUBLESHOOTING GENERAL This chapter contains troubleshooting, test, and repair information needed to correct equipment malfunctions of the M109 series howitzer at the unit maintenance level. CONTENTS Page 3–1 INITIAL SETUP 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2 QUICK GUIDE TO TROUBLESHOOTING 3–1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–3 TROUBLESHOOTING CHART 3–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1 INITIAL SETUP 3–1.1 Pre-Troubleshooting Procedures (TM 9–2350–311–10) a. Park the vehicle on level ground, place the transmission in NEUTRAL, and set the parking brake. b. Put the gun in TRAVEL LOCK position, set the cab in TRAVERSE LOCK position, and turn the engine off. c. Make sure all weapons have been unloaded, the bore is clear, and there is no primer. d. Walk around the vehicle and check to make sure there are no obstacles blocking the cab or vehicle. 3–1.2 Troubleshooting Task Initial Setup Tools, materials/parts, and any conditions necessary to complete a troubleshooting task will be listed at the beginning of each troubleshooting tree. 3–2 QUICK GUIDE TO TROUBLESHOOTING 3–2.1 Contents of Quick Guide to Troubleshooting The QUICK GUIDE TO TROUBLESHOOTING lists the items to check, possible symptoms with each item, and a reference to a paragraph where a corrective action for the problem can be found.