TM 55-1520-240-23-3
4-35.1
INSTALL FORWARD ENGINE MOUNT ADAPTER
(Continued)
4-35.1
INSTALL ADAPTER
NOTE
Procedure can be used to install
inboard or outboard forward engine
mount adapters on either engine.
Outboard adapter installation on No.
2 engine is shown here, except as
noted.
1.
Position adapter (1) so holes in adapter align
with holes (2) on engine (3) as shown. Make
sure curved surface (4) of adapter is down.
2.
Install four bolts (5) and washers (6).
3.
Torque four bolts (5) to 300 to 450 inch-pounds.
4.
Lockwire bolts (5). Use lockwire (E231).
INSTALL ENGINE
Make sure bearing in lower end
of aft support link does not tilt in
engine mount clevis, before and while
lowering engine. If bearing tilts, it will
wedge in clevis, causing damage to
bearing and clevis.
5.
Slowly lower hoist (7) until forward adapters (1)
rest on caps (8) and aft link (9) fits in clevis (10).
Make sure bearing (11) does not tilt in clevis.
Make sure engine weight is on aft
support link and not on firewall former.
Damage to engine and former can
occur if weight is not on support link.
Spacer must be located on the same
side of the link assembly as the fixed
bushing.
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