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 TM 55-1905-221-14-2
5-14.
ROCKER ARMS, CAM FOLLOWERS AND PUSHRODS (Continued).
LOCATION/ITEM
ACTION
REMARKS
ADJUSTMENTS (Cont)
7.
To add shims, remove
low-speed adjusting screw
cover (11), back-out nut
(12), and place shims
between inner end of
spring and shoulder on
the plunger. Add one shim
at a time. Check speed
after each shim is added.
h.
Synchronize engine speeds at
no-load. Speeds of the two engines
must be synchronized to obtain,
as nearly as possible, the
same no-load speeds in the
range just below the rated load
speed by adjusting the linkage to
each governor. Thus, a unit rated
at 1,850 rpm should have engine
s synchronized at 1,700-1,800
rpm. Synchronize as follows:
1.
With engines warmed
up, declutch both engines
and move master throttle
to such position that
speed of "B" engine is
1,750 rpm as recorded by
the tachometer. Lock the
master throttle in this
position.
2.
Note speed of "D" engine.
If the speeds of the two
engines are not the same,
loosen the two locknuts at
the turnbuckle on "D"
engine, and by adjusting
the turnbuckle, shorten
throttle rod to increase,
or lengthen throttle rod
to decrease engine speed.
5-330
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