TM  9-2320-283-20-3 GAGES   (NONELECTRICAL). 3-308.  TASK  SUMMARY  (Continued). LIST OF TASKS TASK TASK TASK TROUBLESHOOTING NO. REF REF NO. (PARA) 1 Tachograph   Replacement 3-309 2-11 a.   Removal. 3-309a b.   Cleaning and Inspection. 3-309b c.    Installation. 3-309c d.   Reading Tachograph Disk. 3-309d e.   Chart  Removal. 3-309e f.   Chart Installation. 3-309f 2 Speedometer  Shaft  Replacement 3-310 a.   Removal. 3-310a b.   Cleaning and Inspection. 3-310b c.    Installation. 3-310c 3 Speedometer Drive Sleeve Adapter Replacement 3-311 a.   Removal. 3-311a b.   Installation. 3-311b 4 Speedometer Driven Gear Replacement 3-312 2-11 a.   Removal. 3-312a b.   Installation. 3-312b 5 Tachometer  Shaft  Replacement 3-313 2-11 a.   Removal. 3-313a b.   Cleaning and Inspection. 3-313b c.    Installation. 3-313c d.   Operational Check. 3-313d 6 Pressure Gage Replacement 3-314 2-11 a.   Removal. 3-314a b.   Cleaning and Inspection. 3-314b c.   Installation. 3-314c 7 Air Cleaner Restriction Gage and Bracket Replacement 3-315 2-11 a.    Removal. 3-315a b.   Cleaning and Inspection. 3-315b c.   Installation. 3-315c 8 Air Cleaner Restriction Gage Tube Replacement   3-316 a.   Removal. 3-316a b.   Cleaning and Inspection. 3-316b c.   Installation. 3-316c 3-1787