TABLE OF STOPPAGES. ─────────────────┬─────────────────┬─────────────────┬───────────────── I. │ II. │ III. │ IV. ─────────────────┼─────────────────┼─────────────────┼───────────────── Position of crank│Immediate action.│ Probable cause. │ Prevention of handle and its │ │ │ recurrence. indication. │ │ │ ─────────────────┼─────────────────┼─────────────────┼───────────────── │ │ │ =FIRST= │(i) Turn the │The extractor has│ │crank handle on │not dropped. This│ │to the buffer │may be due to:— │ │spring, pull the │ │ │belt to the left │ │ │front, and let go│ │ │the crank handle.│ │ _Indication._ │ „ │(_a_) Too heavy │ The lock is │ │fusee spring. │ unable to come │ │ │ back far enough │ │ │ to allow the │ │ │ extractor to │ │ │ drop. │ │ │ „ │(ii) If failure │(_b_) Excessive │(_b_) Clean and │recurs, lighten │friction, due to │oil working │fusee spring by │want of oil; grit│parts. Examine │three “turns.” │or tight pockets │the belt, which │ │in the belt, or │should be dried │ │excessive packing│if damp; or if │ │in cannelure or │the stoppage is │ │packing gland. │due to a new or │ │ │stiff belt, the │ │ │pockets should be │ │ │plugged. If due │ │ │to excessive │ │ │packing, examine │ │ │and repack │ │ │cannelure or │ │ │packing gland. │ │(_c_) Partial │ „ │ │loss of the force│ │ │of the explosion │ │ │due to— │ │ │(i) Worn barrel. │ „ │ │(ii) Defective │(_c_) (i) The │ │ammunition. │barrel should be