TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 NOTE Speedometer adapter (19) has a keyed pin. During removal of adapter, remove and store keyed pin until ready for installation. Speedometer will not work without pin. 8 Remove four screws (20), four lockwashers (21), and speedometer driveshaft adapter (19) with gasket (22) from transmission at right universal joint. Discard lockwashers and gasket. 9 Remove tachometer driveshaft adapter (18) from engine, adjacent to alternator housing. b. Installation 1 Install tachometer driveshaft adapter (18) into engine, adjacent to alternator housing. NOTE Be sure to install keyed pin (saved during removal) so that speedometer will function. 2 Install new gasket (22), speedometer driveshaft adapter (19), four new lockwashers (21), and four screws (20). 3 Install speedometer flexible driveshaft (10) to speedometer driveshaft adapter (19) at drive joint. 4 Install tachometer flexible driveshaft (9) to tachometer driveshaft adapter (18) at drive joint. 9-59