TM5-6675-326-14
Table 6-5. Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 3.
Check to see if Teflon guide washer beneath the lens
tracing assembly is clean and in contact with surface .
Clean Teflon guide washer with soft clean cloth.
Replace Teflon guide washer (para 6-9.2).
Step 4.
Check to see if paper disk on planimeter is clean .
Replace paper disk (para 6-9.4).
Step 5.
Check to see if auto-scaler NORMAL/SCALE switch is set to
NORMAL.
Set NORMAL/SCALE switch to NORMAL.
Step 6.
W i t h 9 0 ° t r i a n g l e,
check to see if axis of tracing
assembly is at 90°
angle to surface being measured.
A d j u s t a x i s o f t r a c i n g a s s e m b l y u n t i l i t i s a t 9 0 °
angle with surface being measured.
Step 7.
W i t h 9 0 ° t r i a n g le , check to see if axis of tracer arm and
axis of wheel axle are at 90° angle.
Adjust tracer arm assembly until it is at 90° angle
with axis of wheel axle.
Step 8.
Check to see if encoder measuring wheel is clean.
Clean encoder measuring wheel with soft brush.
Step 9.
Check to see if encoder is alined.
Notify direct support maintenance for encoder alinemen t
and replacement.
12.
AUTO-SCALER AND CALCULATOR DISPLAYS DO NOT AGREE BY TWO OR MORE
COUNTS.
Check to see if ribbon cable in
connected.
I n s e r t r i b b o n c a b l e
b a c k o f c a l c u l a t o r i s c o r r e c t l y
c o r r e c t l y .
6-137
