Mk 4 and CXU-3 Cartridge Installation
Install signal cartridge in spotting charge adapter as
Insert inertia sleeve into cavity body.
Slide cartridge through inertia sleeve with
cartridge rim against forward end of sleeve.
Press blocking pin inward until safety pin
presses through the second guide hole, locking
blocking pin in place.
Insert cotter pin through outer set of holes in
head of safety pin and safety pin sleeve. Bend
leg of cotter pin slightly to hold in place.
Place compression safety spring over firing pin
head into adapter body and hand tighten.
Mk 89 Spotting Charge Installation
Install Mk 89 spotting charge adapter with signal
cartridge as follows:
Verify bomb tail well is clean.
Insert adapter in the same manner as electric
NOTE: The procedures for inspection and
installation of nose fuzes and bomb fins are the
same as those discussed previously in this
chapter for GP bombs.
PAVEWAY II, GUIDED-BOMB UNIT (GBU)
Paveway II GBUs are Mk 80/BLU-110/111 Series
GP Bombs with physical characteristics of GBU-12,
Figure 13-15.Mk 89 Mod 0 bomb spotting charge adapter.