TM 10-3930-653-14&P CHARGING PUMP DISASSEMBLY (1)  Remove O-ring from the circumference of the case. Fig. 4-260. (2)  Remove two assembling bolts. Fig. 4-261. (3)  Separate case from cover. Fig. 4-263. (4)  Remove gears from case. Fig. 4-264. CONTROL VALVE DISASSEMBLY (1)  Remove detent plug. Fig. 4-262. (2)  Remove detent spring and steel ball. Fig. 4-265. 4-155