TM 55-1520-240-23-7
9-145
TEST AND ADJUST POWER STEERING CONTROL BOX (AVIM)
(Continued)
9-145
15.
Slowly turn knob (6) RIGHT 45º. Check meters
(19 and 20). Meter (19) shall return to below 1
ma. Meter (20) shall remain below 1 ma.
16.
Continue turning knob (6) slowly RIGHT until
mechanical stop is reached. Check meters (19
and 20). Meter (19) shall read less than 1 ma.
Meter (20) shall indicate about 10 ma.
NOTE
During knob rotation, meter movement
shall be free of erratic movement.
17.
Allow knob (6) to return slowly to neutral position.
Check meter (19 and 20).
a.
Meter (19) shall indicate 10 ma when knob
is about 45º and shall remain at that reading
when the knob is at neutral position.
b.
Meter (20) shall indicate less than 1 ma as
the knob passes the 45º position and retain
this reading when the knob is at neutral.
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