TM 9-2320-283-20-3
GAGES (NONELECTRICAL).
3-309. TACHOGRAPH REPLACEMENT (Continued).
LOCATION/ITEM
ACTION
REMARKS
E. CHART REMOVAL.
CAUTION
The disk pack must be changed before
the end of the seventh day to prevent
stylus damage.
15. Key (10).
16. Fastening ring
(6).
Unlock item (1) by turning
Use item (10) as a
item (10) counterclockwise.
handle.
a. Turn counterclockwise.
and remove.
b. Lift out used item (7).
G. CHART INSTALLATION.
17. New 7 day chart
a. Enter date, driver's name,
Enter in center field
(7).
vehicle number, and mile-
on new item (7).
age.
b. Ensure pack is under item
(11) and under item (8).
If chart is not properly
installed, instruments
and dials may not func-
tion.
c. Aline item at installation
with item (9) on item (7).
d. With item (7) in position
on center hub, position
item (6) in place and turn
clockwise.
e. Close face of item (1) and
lock with item (10).
NOTE
Follow-on maintenance action required:
Start engine and verify that tacho-
graph is fully operational before
operating vehicle (Refer to
TM 9-2320-283-10).
3-1796
