TM 10-1670-300-20&P
TO 14D1-2-469-2
NAVAIR 13-1.42
(4) Set millibar setting (1) back at 570 m/b, reset FF-2 Release (2) and replace test arming pin (3) with
arming pin assembly (4).
(5) Reload FF-2 Release (2) and remove safety bar assembly (5).
(6) Immediately install power cable assembly (6) of required length and reset access port plug screw.
Install a new locknut (7) on power cable rod (6). Place rubber buffer (8) in frangible cap (9) (one only)
and place frangible cap (9) on barrel (10).
(7) Using sealant type 2020 or equal, seal bottom center case screw (11) on top case half.
Table 2-4 CRITERIA FOR TESTING FF-2 RELEASE DELAY MECHANISM
Millibar dial
setting
(millibars)
Arming pin
withdrawal
altitude
(feet)
Time delay
mechanism starting
altitude
(6-second delay) (feet)
Acceptable
tolerances
(feet)
1000
5,000
1,445
+310 = 1,755
-110 = 1,334
960
6,000
2,565
+310 = 2,875
-110 = 2,455
920
8,000
3,730
+350 = 4,080
-120 = 3,610
880
9,000
4,930
+380 = 5,310
-140 = 4,790
840
10000
6,180
+420 = 6,600
-160 = 6,020
800
11,000
7,475
+420 = 7,895
-160 = 7,315
760
13,000
8,825
+470 = 9,295
-200 = 8,625
720
14,000
10,235
+520=10,755
-250 = 9,985
INSTALL
a. Inspection Prior to Use Prior to cocking an FF-2 Release for use, ensure it has been inspected in
accordance with above procedures. Evidence of damage to any component of the FF-2 Release, or
evidence that the FF-2 Release has been immersed in salt water shall be cause to consider the item
unserviceable and it shall be removed from service.
2-51
