1-107 TEST ENGINE (AVIM) (Continued)
(5) Repeat preceding steps (2) through (4), as necessary, to bring torque within band of graph.
(6) After adjustments have been made, paint BALand SENSscrews oftorquemeter junction boxwith
gray enamel (E22); then install box cover and Iockwire cover attaching screws. Use Iockwire (E28)
Install anti-tampering lead seal.
Engine stability at all recorded points should be within plus or minus one percent of maximum
power for ambient temperature recorded during test.
11. GROUND IDLE TRIM CHECK
a. Without changing water in master hydronic control position, retard N1 master hydronic control to
ground idle (10 to 15 degrees) (60 to 63 percent N1 ).
b. Check ground idle trim and adjust if required (Ref. Task 1-108).
c. Record a full reading.
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