Bettis P/N 127073E
Revision “A”
Page 20 of 37
3.4.21 Install and tighten socket cap screws (3-130), with lockwashers (3-140), into outer end cap
(3-80).
3.4.22 Install Pneumatic Power Module per Section 5 steps 5.4.
3.5
G01 THROUGH G5 M11 HYDRAULIC OVERRIDE CYLINDER REASSEMBLY
NOTE: Review Section 3.1 General Reassembly before proceeding with G01 through G5 M11
Hydraulic Override Cylinder Reassembly.
3.5.1
Install ram bushing (8-20) into hydraulic ram cover (7-10).
3.5.2
Install Polypak seal (8-30) into hydraulic ram cover (7-10). NOTE: The lip of Polypak seal
(8-30) are to face toward the hydraulic override end cap when installed in the hydraulic ram
cover.
3.5.3
Install rod wiper (8-10) into hydraulic ram cover (7-10).
3.5.4
Install hydraulic ram (7-20) into hydraulic ram cover (7-10). NOTE: When installing the
hydraulic ram (7-20) push it through the hydraulic ram cover until the ram is at least flush
with the outboard ram cover.
3.5.5
Install o-ring seal (8-35) into inner diameter seal groove located at the outboard end of the
threads in the hydraulic override end cap (7-70).
3.5.6
Install hydraulic ram cover (7-10) into the hydraulic override end cap (7-70) by screwing the
ram cover into the end cap until the ram cover bottoms out into the end cap.
NOTE: For M11 hydraulic override cylinder installations refer to Section 5 step 5.2.
3.6
G7 THROUGH G10 M11 HYDRAULIC OVERRIDE CYLINDER REASSEMBLY
NOTE: Review Section 3 step 3.1 General Reassembly before proceeding with G7 through G10
M11 Hydraulic Override Cylinder Reassembly.
3.6.1
Install Polypak seal (8-30) into hydraulic cylinder assembly (7-10). NOTE: The lip of
Polypak seal (8-30) will face toward the hydraulic override end cap when installed in the
hydraulic cylinder assembly.
3.6.2
Install rod bushing (8-20) into hydraulic cylinder assembly (7-10).
3.6.3
Install rod wiper (8-10) into hydraulic cylinder assembly (7-10).
3.6.4
Install two split ring halves (7-30) into the inner most groove in piston rod (7-20) and retain
by installing retainer ring (7-40) onto the split ring halves.
3.6.5
Apply hydraulic fluid to o-ring seal (8-50) and install it into the seal groove located between
the two split ring grooves on the piston rod (7-20).
3.6.6
Install the piston (7-50) onto the piston rod (7-20) and up against the split rings install in step
3.5.4.
