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 TM 9-2815-226-34-2
NOTE
Readjustment after one hour of operation is necessary to assure lowest smoke
potential and to avoid excessive injector train load.
1
Set valves to "HOT" setting in accordance with Table 3-7.
2
Use tool no. 3375096 adjustment kit to adjust valves with engine brake housings
installed.
g.
Perform power check.
(1)
Run engine at speed and horsepower indicated on Table 3-7.
(2)
Check fuel flow standard rate for 158 lb/hr at rated speed and power. Engine should develop 96
percent (384 hp) of rated (400 hp) horsepower at standard fuel flow rate.
(3)
Operate engine an additional 30 minutes at 96 - 100 percent rated load (384 - 400 hp) and rpm
(2016 - 2100 rpm).
NOTE
Surges of up to 0.30 in. H2O (7.62 H2O mm) are acceptable.
(4)
Check blow-by pressure. If there is no rapid change in excess of 2 in. H O (50.8 mm H O) of
2
2
water and reading does not exceed 12 in. H2O (304.8 mm H2O), blow-by is acceptable.
(5)
If blow-by exceeds surge limit of 0.3 in. H2O (7.62 mm H O) or 12 in. H O (304.8 mm H O) or
2
2
2
changes in excess of 2 in. H2O(50.8 mm H2O), investigate cause.
(6)
Cool and shut down engine.
(7)
Perform on-engine fuel pump adjustment if pump was removed for calibration and reinstalled (TM
9-2320-281-34).
3-471
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