Figure 5-2. Ballhead Disassembly - Woodward EGB-1P Installation And Operation Manual

EGB-1P/-2P Governor/Actuator
30. Remove oil seal (61), packing (62), plug (56), and packing (55).
31. Remove relief valve parts (51) through (54).
32. Remove rotating bushing (41), pilot valve plunger (42) compensation
bushing (43) and retaining ring (44) from case.
33. Remove idler gear (60).
34. Remove bushing (45), pilot valve plunger (46) and retaining ring (48).
35. Disengage magnet spring (49) from pilot valve plunger (46) and remove
compensating bushing (47).
36. Remove cotter pin (25), pin (37) and push power piston (34) out of case
from top.
37. Remove pushrod (35).
38. Remove nut (33) and pivot washer (32), and push linkage return piston (31)
out of case from top. Count number of turns when removing the nut for
reassembly.
39. Lift free end of floating lever (21) and turn it to a position where pin (20) can
be driven out.
40. Remove floating lever (21) terminal lever (29), terminal lever link (26) and
pivot link (23).
41. Remove snap ring (22).
42. Remove power piston (19) through top of case.
43. Pull piston sleeve (59) out of case using a hook-shaped tool.
28

Figure 5-2. Ballhead Disassembly

Manual 82570
Woodward