TM 5-4320-275-13 & P
Clean parts in a well-ventilated area. Avoid inhalation of solvent fumes and prolonged
exposure of skin to cleaning solvent. Wash exposed skin thoroughly. Dry cleaning solvent
(fed spec P-D-680) used to clean parts is potentially dangerous to personnel and property. Do
not use near open flame or excessive heat. Flash point of solvent is 100F (38C).
Clean with dry cleaning solvent, P-D-680. Wipe
Install a new key (4) on engine shaft. Slide
coupling half (1) on engine shaft and tighten
setscrew with a 5/32 inch hex key.
Install key (5) on gear reducer shaft. Slide
coupling half (2) on gear reducer shaft and
tighten setscrew with a 5/32 inch hex key.
Install spider on gear reducer coupling half.