TM5-6675-326-14
Table 6-5.
Operator Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 2.
Run calculator Diagnostic Program on preprogrammed
magnetic card.
Replace calculator.
8.
CALCULATOR AND AUTO-SCALER DISPLAYS ARE ERRATIC.
Step 1. Check to see if encoder cable is correctly inserted into
auto - scaler back panel.
Insert encoder cable correctly.
Step 2.
Check to see if encoder mounting screws are loose or
missing*
Notify direct support maintenance for tightening or
replacing of screws.
Step 3. Check to see if planimeter drive gears are slipping or
jamming.
Tighten or loosen setscrew on wheel axle to adjust
d r i v e g e a r s .
Step 4. Check to see if compression spring is operating.
Replace compression spring (para 6-9.3).
Step 5. Check to see if encoder measuring wheel is in contact with
p l a n i m e t e r d i s k.
Proceed to step 6.
Step 6.
Check for any obstruction under the planimeter disk .
Remove obstruction.
Press encoder housing in place.
Step 7.
Check to see if there are enough paper disks in
p l a n i m e t e r .
Add another disk to planimeter.
6-135
