TM 5-6675-323-14
3-29.1 Pen Adjustments.
MOS: 35E, Special Electronic Devices Repairer
TOOLS :
HP-9825A Desk-Top Computer
Flat Tip Screwdriver (0.25 in.)
Machinist's Rule
N o . 1 Cross Tip Screwdriver
5/64 in. Hex Head Key Wrench
.050 in. Hex Head Key Wrench
Jeweler's Screwdriver
G r a m Gage Set: 0-60 g
0-30 g
a.
R e m o v e pen cover from pen arm assembly by first removing pen cover
screw.
b . Adjust travel adjustment screw to obtain 3.4 mm vertical travel with no
pen in the pen holder.
c.
Adjust pen height:
(1) Install a pen into the pen holder.
(2) Move pen to lower left corner of platen.
(3) Adjust pen height adjustment screw until the pen tip is 2.3 mm
a b o v e the platen surface.
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