TM-9-2320-279-20-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3
TM-9-2320-279-20-1 - Page 779 of 985
TM 9-2320-279-20-1
Electrical System Maintenance Instructions (Cont)
a. Headlight Aim Check.
(1)
Park vehicle 18 in. (46 cm)
from flat vertical surface (1).
Set parking brakes and shut
(2)
(3)
(4)
(5)
(6)
off engine (TM 9-2320-279-10).
NOTE
Vehicle should be empty before
checking aim of headlights.
Using chalk, draw vertical
line (2) on flat vertical
surface (1) from each end of
skid plate (3).
Measure in 9 1/2 in. (24 cm)
from each vertical chalk
line (2) and draw small
vertical chalk line (4).
Measure up 62 in. (157.5 cm)
from ground and draw
horizontal chalk line (5) of
step making a cross.
Measure out 4 in. (10 cm) from center
of each cross (6) in four directions to
make an 8-in. (20 cm) square (7).
Turn headlights on low beam
(TM 9-2320-279-10).
7-205
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