Smoke discharger pushbutton unit (2), mounted on bracket attached to cab top, near
commander's cupola, has two pushbutton switches (3 and 4) used to fire grenades. An arming
switch unit (5), mounted next to pushbutton unit, has a latched toggle switch (6) and an armed
light (7). Electrical wiring harnesses connect the pushbutton unit and arming switch to
dischargers and to vehicle power source.
Two ammunition storage bins (8) are attached to outside of vehicle, one on each side of hull.
Each bin holds six smoke grenades, one reload for each discharger.