50
L510010-11
6. After the engine has been properly aligned,
secure the engine mounts.
7. Connect the propeller shaft coupling to the
transmission coupling. Tighten the coupling
attaching bolts and nuts to the correct
specifi cations.
FASTENER TORQUE SPECIFICATIONS
Location Lb-Ft (N
.
m)
Engine Mount to Stringer Securely
Propeller 50 (68)
Trunnion Bolts 45 (61)
Angular Misalignment Front Mount Adjusted
A Both
B Trunnion
LC R
RC L
• To adjust a corner of the engine up or down,
loosen the locking nut. Turn the adjusting nut
or the adjusting bolt in the direction required
to raise or lower the engine. After the
adjustment is complete, tighten the locking
nut.
IMPORTANT: If a “pinch” occurs in the “A” quadrant
(Figure 11-32), correcting the condition will require
an equal adjustment on the front mounts. If a “pinch”
occurs in the “C” quadrant, an adjustment will be made
on the opposing front mount. If a “pinch” occurs in the
“B” quadrant, a trunnion adjustment is required.
• To move the engine left or right, loosen the
trunnion clamping bolt and the nut on all
four mounting brackets. Move the engine
to the left or right, as necessary, to obtain
the proper alignment. After adjustment is
complete, tighten all bolts.
ENGINE MAINTENANCE - 11
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