TM 5-2815-241-34&P
FINAL TESTING AND ADJUSTMENTS - CONTINUED
ACTION
LOCATION
ITEM
REMARKS
ENGINE TESTING - CONTINUED
NOTE
Each time engine is started see Preliminary Starting Procedures, page 2-3.
15. Continued
Engine (1) mounted
in engine test stand
r.
Restart engine (page 2-3).
s.
Run engine at approximately 800 rpm for
5 to 10 minutes until full operating tem-
perature is obtained.
t.
Apply load to 278 horsepower (±10%)
at 2100 rpm (±5%) for 5 minutes.
Engine should develop 278 to 290
horsepower at standard fuel rate of
105 Ib/hr.
u. Check blowby pressure.
If blowby pressure exceeds 12 inches
(30.48 cm) of water, reduce engine
speed and load as specified in step k.
v.
Repeat steps s, t, and u until engine
develops a minimum of 278 horsepower
at standard fuel rate within permissible
blowby pressure.
w. Shut down engine.
18. Engine (1) mounted
Aneroid control
in engine test stand
valve (2)
17. Fuel pump (4)
18.
Sealing ball (5)
Locking wire (7)
a.
Remove plugs from fuel pressure and
fuel return lines (3).
b.
Using 9/16-inch and 5/8-inch open-
end wrenches, connect fuel pressure
and fuel return lines.
Using 1/4-inch punch and 8-ounce ball-
peen hammer, hit into end of throttle
shaft (6).
a.
Thread through pipe plug (8) and two
hex head cover screws (9). Twist lock-
ing wire until secure.
b.
Install lead seal (10) onto twisted wire
ends.
2-422
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