TM 55-1520-240-23-3
4-13
INSTALL POWERPLANT
(Continued)
4-13
During raising of powerplant, make
sure bearing in lower end of aft engine
mount link does not tilt in clevis of
trailer adapter (T16). If bearing tilts, it
will wedge in clevis, causing damage
to bearing and clevis.
7.
Raise powerplant (2). Make sure bearing (21) in
aft mount link (17) does not tilt or wedge in fitting
(16). Have helpers guide powerplant (2) with
rope guide lines (20).
During lowering of powerplant, make
sure bearing in lower end of aft
support link does not tilt in engine
mount clevis. If bearing tilts, it will
wedge in clevis, causing damage to
bearing and clevis.
For T55-L-712 engines, make sure all
hydraulic, fuel, and electrical cables
are routed behind connecting link on
No. 1 powerplant.
For T55-L-714A engines, the starter
hydraulic return and starter seal drain
lines must be routed outside the
connecting link for both No. 1 and No.
2 engines.
8.
Slowly lower hoist (14) until forward adapters
(22) rest on caps (23).
8.1.
Align holes in aft link (17) with spacer (17.1) with
holes in aft engine mount (24). Lower hoist (14)
until aft link (17) fits in aft engine mount (24).
Make sure bearing (21) does not tilt in aft engine
mount (24).
4-110
