TM 5-3895-373-20
7.8.
ADJUST/CALIBRATE CONTROL HANDLES - Continued.
A.
CALIBRATE Continued.
2.
CALIBRATE
RIGHT
CONTROL
HANDLE
FORWARD THRESHOLD AND GAIN.
a.
Disconnect electrical connector P34 (6) (green
and white wires) on right control handle (7) from
electrical connector J34 (8).
b.
Insert
digital
multimeter
positive
lead
into
terminal A on electrical connector P34 (6).
c.
Insert digital multimeter negative lead into
terminal A on electrical connector J34 (8).
d.
Move right control handle (7) 0.75 in. (19 mm)
from center, neutral, to forward position. Use a
combination square and the top of the handle as
references.
e.
Multimeter should read between 6 to 8 mA.
NOTE
The forward threshold potentiometer
(FT)
and
the
maximum
forward
threshold potentiometer interact on each
other.
An
adjustment
to
either
potentiometer will require the other
setting to be checked.
f.
If meter reading is less than 6 mA or greater
than 8 mA, using a jewelers screwdriver, adjust
right control handle (7) threshold potentiometer
(FT).
To
increase,
turn
adjustment
screw
clockwise.
To
decrease
mA
reading,
turn
adjustment screw counterclockwise.
g.
Move right control handle (7) to full forward
position.
GO TO NEXT PAGE
7-70