| Trouble | Remedy |
|---|
| a. Stream of burning fuel issues at an angle or in a very broad spray. | Fuel valve is not fully open because of:
(1) Faulty operation. Be sure to compress controls
all the way when firing. ([Par 26])
(2) Improper adjustment or assembly of valve. To
correct, see Paragraphs [74] and [75]. |
| b. Rapid drop of range during a burst. | Pressure-tank valve is not
fully open. Open all the way. If this is not effective, test pressure
regulator. ([Par 67 d]) |
| c. Shorter range in each successive burst. | Pressure tank is not fully charged.
(1) Before firing be sure tank is
charged to at least 1,700 pounds
per square inch. ([Par 32])
(2) Check for leaks to make sure
pressure has not decreased
since charging. ([Par 53 d]) |
| d. Short range with longer time of discharge than 8 to 9 seconds. | Dried fuel or other foreign
matter is in fuel lines. Disassemble and clean. |
| Trouble | Remedy |
|---|
| a. Match in cylinder moves but incendiary charge does not ignite. | Pull trigger repeatedly. If
cylinder does not ignite, remove cylinder ([Par 30]) and examine.
(1) If matches have been pushed flush with inner
surface of cylinder body, the cylinder is defective. Destroy. ([Par 30])
Replace.
(2) If matches project 1/16 inch or more from
cylinder, ignition head is defective. Disassemble ignition head
([Par 76 b]) and examine. Replace parts as necessary. ([Par 76]
c) |
| b. Cylinder does not rotate to bring new charge into position. | (1) Spring case is not free to
rotate because of dirt. Clean and lubricate. ([Par 49])
(2) Cylinder is improperly loaded. ([Par 18])
(3) Ignition cylinder binds on barrel because of
dirt or excessive warping of ignition cylinders from heat of firing.
Remove and destroy ([Par 30]) ignition cylinder. Reload.
(4) Spring case is defective. Replace as a unit.
([Par 76 b], [c]) |
| c. Trigger does not return to normal position (with ignition cylinder in place). | 1) When on a mission, use
fingers on trigger to pull back to normal position.
(2) If time permits, remove trigger rod. ([Par 76 b]) Clean rod and hole in which rod slides.
Lubricate. ([Par 49])
Reassemble. ([Par 76 c]) |
| d. Lack of spring tension at trigger. | Trigger spring is off hook of
trigger, off spring screw, or broken. Replace where necessary. |