Move charging handle part way back.
Re-engage gear and guard.
Replace buttstock.
STOPPAGES.
| Position of C.H. | Immediate action. | Remedy. | Cause. |
| Forward:— | |||
| (a) | Turn magazine free and change | Magazine empty. | |
| (b) | If magazine is fixed, pull back C.H. | Missfire or space or rotation not sufficient. | |
| (c) | If recur, change magazine | Examine rim of old magazine | Faulty feed due to damaged rim. |
| Feed arm pawl. Stop pawls | Feed arm pawl, or stop pawl. | ||
| (d) | If missfire on pressing trigger examine return spring | If too light—adjust. | Weak or broken return spring. |
| If broken—substitute | Damaged or broken striker. | ||
| If correct—change rod | |||
| (e) | If C.H. will not come back pull back with wooden handle | If dirty—clean | Dirt. |
| If hot—cool | |||
| C.H. back slightly | Pull C.H. back with wooden handle or pull through | Bulged cartridge (should never get into magazine.) | |
| Separated case (unknown as yet). | |||
| C.H. nearly back | Examine ejection opening, if clear pull C.H. back and carry on | ||
| or, back to full extent | If return spring is weak, adjust or change it | Clean gas cylinder, or piston rod and oil up | Weak or broken return spring. |
| If it recurs, remove magazine and gas regulator and fire. After firing put back gas regulator, with large hole to rear | Friction in gas cylinder or moving parts. | ||
| If empty case is found, pull crank handle, raise safety catch, remove magazine and empty. Examine rim | If recurs, examine extractor ejector | Weak or broken extractors. | |
| Broken ejector. | |||
| If crank handle jams remove magazine | Magazine not really home, or rim injured, or catch broken. | ||
| If crank handle flies forward, insert new magazine, otherwise examine cartridge guide spring | Change if broken | Weak or broken cartridge guide spring. |
The Colt Automatic Gun
(1914 MODEL.)
| Weight of gun | 35 lb. |
| „ „ tripod | 58 „ |
| Length of barrel | 28 in. |
| Calibre | ·303. |
| Rate of fire | 400 shots per min. |
The gun will swing horizontally through a complete circle of 360 degrees. The muzzle may be depressed 39 degrees and elevated 31 degrees, giving a vertical range of 70 degrees.
The barrel, which is detachable, is connected with the breech casing in which the mechanism for charging, firing and ejecting is contained.