Bettis P/N 127073E
Revision “A”
Page 6 of 37
2.2.2
If actuator is equipped with a power module mounted extended stop (ES) then rotate the ES
until clear of the piston rod (3-40).
2.2.3
Remove breather assembly (12) from outer end cap (3-80).
2.2.4
Refer to assembly drawing sheet 2 Detail "E". Remove two socket cap screws (3-130), with
lockwasher (3-140), from outer end cap (3-80).
2.2.5
Remove two tie bar hex nuts (3-90) from outboard side of outer end cap (3-80).
2.2.6
The fit between cylinder (3-70) and outer end cap (3-80) is very tight. Break end cap free by
tapping with a breaker bar on lip provided on the end cap. Remove outer end cap (3-80)
from cylinder (3-70).
CAUTION:
Do not damage o-ring groove when removing end cap from cylinder.
NOTE: When removing cylinder (3-70) off of piston (3-30), tilt the cylinder 15
°
to 30
°
degrees with
respect to actuator centerline.
2.2.7
Remove cylinder (3-70) from inner end cap (3-10).
CAUTION:
Do not use pipe wrench to remove tie bars.
2.2.8
TIE BAR REMOVAL:
2.2.8.1 Remove G01, G2 and G3 tie bars (3-20) as follows:
NOTE: G01, G2 and G3 models have flats on outboard end of tie bars (3-20) for wrench
placement.
2.2.8.1.1
Unscrew tie bars (3-20) from inner end cap (3-10). Pull the tie bars
out of the inner end cap far enough to expose the o-ring seals
(4-80).
2.2.8.1.2
Remove o-ring seals (4-80) from the inboard end of tie bars (3-20).
2.2.8.2.3
Remove tie bars (3-20) by pulling the tie bars out and through
piston (3-30).
2.2.8.2 Remove G4 through G10 tie bars (3-20) as follows:
NOTE: 1. G4 models have flats on outboard end of tie bars (3-20) for wrench placement.
2. G5 through G10 models have a female square on the out board end of tie bars
(3-20) for wrench placement.
2.2.8.2.1
Unscrew and remove tie bars (3-20) from inner end cap (3-10) and
piston (3-30).
