───────────┬───────────────────┬───────────────────┬─────────────────── Position of│ Immediate action. │ Remedy. │ Cause. C.H. │ │ │ ───────────┼───────────────────┼───────────────────┼─────────────────── Forward:— │ │ │ (_a_) │Turn magazine free │ │Magazine empty. │ and change │ │ (_b_) │If magazine is │ │Missfire or space │ fixed, pull back │ │ or rotation not │ C.H. │ │ sufficient. (_c_) │If recur, change │Examine rim of old │Faulty feed due to │ magazine │ magazine │ damaged rim. │ „ │Feed arm pawl. Stop│Feed arm pawl, or │ │ pawls │ stop pawl. (_d_) │If missfire on │If too │Weak or broken │ pressing trigger │ light—adjust. │ return spring. │ examine return │ │ │ spring │ │ │ „ │If │Damaged or broken │ │ broken—substitute│ striker. │ „ │If correct—change │ │ │ rod │ (_e_) │If C.H. will not │If dirty—clean │Dirt. │ come back pull │ │ │ back with wooden │ │ │ handle │ │ │ „ │If hot—cool │ C.H. back │Pull C.H. back with│ │Bulged cartridge slightly │ wooden handle or │ │ (should never get │ pull through │ │ into magazine.) │ „ │ │Separated case │ │ │ (unknown as yet). C.H. nearly│Examine ejection │ │ back │ opening, if clear│ │ │ pull C.H. back │ │ │ and carry on │ │ or, back to│If return spring is│Clean gas cylinder,│Weak or broken full │ weak, adjust or │ or piston rod and│ return spring. extent │ change it │ oil up │ │If it recurs, │ │Friction in gas │ remove magazine │ │ cylinder or │ and gas regulator│ │ moving parts. │ and fire. After │ │ │ firing put back │ │ │ gas regulator, │ │ │ with large hole │ │ │ to rear │ │