Emerson Bettis G2XXX M11 series Service Instructions Manual page 28

Section 3: Actuator Reassembly
August 2015
3.5.9
CAUTION: INSTALL PISTON SEAL CORRECTLY
Install the piston seal with energizer ring facing outside edge of piston (7-30).
3.5.10 Push the piston through the cylinder (7-70) until the outboard piston seal
NOTE:
To move the piston (7-30) through the bore of cylinder (7-70) may require
mechanical assistance.
3.5.11 Coat one piston seal (8-60) with fluid and install into the piston external seal
3.5.12 Refer to assembly drawing sheet 2 Detail "C". Coat Polypak seal (8-30) with
CAUTION: INSTALL POLYPAK SEAL CORRECTLY
Install the Polypak seal with energizer ring facing piston side of inner end cap (7-10).
3.5.13 Install rod bushing (8-20) into inner end cap (7-10).
3.5.14 Install rod wiper (8-10) into inner end cap (7-10).
3.5.15 Install one O-ring seal (8-90) into inboard face of inner end cap (7-10).
3.5.16 Install inner end cap (7-10) onto piston rod (7-40).
3.5.17 Install two tie bars (7-20) into inner end cap (7-10).
3.5.18 Install one O-ring seal (8-40) into inboard face of outer end cap (7-80).
3.5.19 Install outer end cap (7-80) into open end of cylinder (7-70).
NOTE:
The pressure inlet ports of the inner and outer end caps should be positioned in the
same
position as recorded in Section 2 step 2.4.3.
3.5.20 Install the remaining tie bars (7-20) through outer end cap (7-80) and into inner
24
Coat one piston seal (8-60) with fluid and install into the piston external seal
groove.
groove is exposed.
groove.
hydraulic fluid and install; lip first, into inner end cap (7-10).
NOTE:
The tie bars should be installed across from each other. Refer to the CAUTION
after step 3.5.20.
end cap (7-10). Refer to the following CAUTION:
Service Instructions
124843E Rev. C
Actuator Reassembly