TB 1-2840-248-20-2
(c) Preparation Instructions For Completing a DA Form 2408-16-1, (History Recorder,
Component, Module Record ) (Removal or Installation of a Component or Module) (Figure 15).
Page. _____of_____. Enter the page number and the total number of pages of DA Form 2408-16-1 you have
for this module or component. Use a black lead pencil to enter the number of pages. Blocks 1, 3, 4, 5 and line
1 of block 6 will have already been completed on the form when a replacement component or module is
received.
2. Eng S/N. When installing a component or module on an engine enter the engine serial number using black
lead pencil.
6. Historical counts on component/module
LINE 2--(Reading at INSTL. of Module/Recorder)
a. LCF-1. Enter the history recorder LCF-1 reading from the engine when installing the module or component.
b. LCF-2. Enter the history recorder LCF-2 reading from the engine when installing the module or component.
c. Time/Temp Index. Enter the history recorder T/TI reading from the engine when installing the module or
component.
d. Operating Hours. Enter the history recorder operating hours reading from the engine when installing the
module or component.
LINE 3--(Reading at Removal of Module/Recorder)
a. LCF-1. Enter the history recorder LCF-1 reading from the engine when removing the module or component.
b. LCF-2. Enter the history recorder LCF-2 reading from the engine when removing the module or component.
c. Time/Temp Index. Enter the history recorder T/TI reading from the engine when removing the module or
component.
d. Operating Hours. Enter the history recorder operating hours reading from the engine when removing the
module or component. Subtract the readings on line 2 from readings on line 3 and enter
the result on line 4.
e. The operating hours since last installation from line 4 will be entered in block 7 of the DA Form 2410
prepared for the module or component.
f. Add the counts since last installation on line 4 to the previous counts on line 1 and enter the total cumulative
counts
on line 5 and in block 13 of the DA Form 2410 prepared for the module or component.
g. The total cumulative operating hours from line 5 will be entered in block 8 of the DA Form 2410.
NOTE: When two or more pages are needed to enter the components and modules on the reverse side of the
forms, no entries are required in block 6 of page 2 unless the front side of page 1 is filled.
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