M2/M3 BFV: TROUBLESHOOTING - OD1610 - LESSON 2/TASK 1
and cavalry fighting vehicle (CFV) will be discussed in the paragraphs that
follow.
The main IFV and CFV turret systems are the
turret, the weapons, and the auxiliary systems.
(1) Turret.
The turret includes the hatches, the turret drive
system, the turret travel lock, and the turret shield.
The turret also
includes the coax machinegun access door and the 25mm gun guard.
(2) Weapons.
The main parts of the weapons system are the TOW
missile system, 25mm gun, and the 25mm gun feed system. Other main parts of
the weapons system are the coax machinegun, coax machinegun feed system, and
the coax machinegun mounting.
(3) Auxiliary.
The turret auxiliary systems are
the
turret
ventilation system, the smoke grenade launcher, and radios.
b. Detail Description.
In the paragraphs that follow, a detailed
description of the components that comprise each of these systems will be
discussed.
(1) Turret.
(a) Hatches. Two hatch covers serve the commander and the gunner.
Both hatch covers can be latched in either the open or closed position. The
commander's hatch cover can also be latched in the pop-up position.
From
this position, the commander has 360 range of sight.
Both hatch covers
have inside locks which prevent entry from the outside.
Backup locks can
prevent opening of the hatch by mistake.
Padding on the inside of the
surface and hatch rings protects from ballistic missile fragments.
The commander's hatch cover has a cable release in the squad area. In the
event that the commander and gunner are injured, the hatch cover can be
popped by pulling the cable release. This permits entry to the turret from
outside the vehicle when both hatch covers are locked inside.
(b) Turret Drive System.
The turret drive system consists of the
turret traverse drive, gun
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