98
5.
M
aintena
nce and Inspe
ctio
n
(3) After inspection, mount the rod seal assembly and O-ring, and secure with the bolts.
For RA6/RA7/RA8, insert the O-ring into the main body first.
Be careful not to snag the O-ring when inserting.
Model
Bolt type
Bolt size
Tightening torque [N•cm]
RA4
Hex socket set screw, hollow tip
M 3×3
29.4
RA6/RA7
Slim head hex socket head bolt
M 3×4
48.5
RA8
Slim head hex socket head bolt
M 4×4
96.9