The Army Maintenance Management System (TAMMS) Users Manual

Cumulative EFC RDS g. Add the number in column 10e to the last entry made in column 10g in the sub column for the zone that applies
to the rounds fired.
Remaining Life (EFC RDS) h. Subtract the EFC rounds fired in column 10e from the last entry made in column 10h. The difference between
those two numbers is the remaining life of the cannon tube. Be very careful, recheck the figures, when making an entry in column
10h. Making a mistake in this column can put a life in danger.
Remarks i. Enter any remarks needed on the operation or maintenance of the weapon. This includes information on borescoping,
gaging, velocity, pull over gauge readings and recoil exercises.
Signature j. The person designated by the unit commander to make entries on this form signs in this column. Enter both signature and
rank or title here. When support personnel make entries, enter the support unit identity under the signature and rank. The unit commander
signs in this column on the first line and last line entries.
Figure 5–1. Sample DA Form 2408–4
Legend for Figure 5–2;
completion instructions follow.
1. TUBE SERIAL NO. Enter the cannon tube serial number from previous 2408–4. (TM 9–1000–202–14 shows where tube serial
numbers are on cannons.) For the 106mm Recoilless Rifle, enter the assembly serial number here.
2. CANNON TYPE, MODEL OR SERIES. The cannon type, model series, 105mm, M68, for example, or 155mm, M185, from previous
2408–4, goes in this block.
3. ORGANIZATION (UIC). Owning organization name and Unit Identification Code (UIC) from previous 2408–4.
4. SPECIAL LIFE DATA. Enter any special life data from the form to be sent in. EFC round life is entered here. Enter any information on
maintenance to be done on a round count basis.
5. END ITEM IDENTIFICATION. Enter the weapon end item identification, type series and model. For example, Howitzer, Medium,
towed, M198, or Tank, Combat, M60A1. Also enter the end item chassis serial number in this block.
6. RDS/EFC COMPUTATION. Enter equivalent full charge (EFC) factors for various rounds here. TM 9–1000–202–14 gives EFC factor
values. Write the zone figures above the sub columns in column 10g.
7. CANNON SERIAL NO. Enter the cannon serial number. TM 9–1000–202–14 shows where the cannon serial numbers (breech ring)
are.
8. RETUBINGS. Enter the information from both sections in the previous forms block 8. For 105mm M68 Gun, take the total EFC rounds
for the breech mechanism from the previous forms block 8. Add the number to the difference between the first and last entries in column
10g of the previous DA Form 2408–4. Enter this number on the new form in the second section of block 8.
9. REBUSHINGS. Leave blank.
10. This block is divided into 10 columns, a through j:
Date a. Enter the current date.
Figure 5–2. Sample DA Form 2408–4 with information to keep when sending a DA Form 2408–4
DA PAM 750–8 22 August 2005
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