INSTALL AFT TRANSMISSION
Torque each of four transmission mounting nuts
(27) as follows:
Torquing of forward left nut shown
Loosen knob (27.1).
If torquing a forward nut (27), position support
(25) directly under nut to be torqued. If
torquing an aft nut, position support straight
out to side of nut to be torqued. Install and
tighten two knob assemblies (28) through
support (25) and base plate (21).
Tighten knob (27.1).
Torque shaft is spring-loaded and
compresses for installation.
Place one end of torque shaft (28.1) on
adapter shaft (24). Place other end on nut
Be sure handle is fully seated and
ratchet selector on torque pack is
properly set before applying torque.
Moving selector with load on torque
pack can damage unit and injure
Input force must be maintained at
handle to obtain accurate torque
reading on torque pack indicator.
Set tee handle (T161) (28.2) to ON. Install
handle on torque pack (T23) (23). Turn
handle clockwise until indicator (26.1) reads
620 foot-pounds. Set tee handle to OFF.
Turn handle counterclockwise until torque
indicator reads 0 and torque pack (23) is
Remove torque shaft (28.1).
Remove torque pack (23) from support (25).
Remove torque adapter (19) from helicopter