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(3) Use the ‘Kidney Bean’ method for deforming seals to fit into seal groove.
(a) NOTE: If seal is kinked or damaged during installation it
MUST
be replaced to
avoid external hydraulic fluid leaks.
(4) The middle seal groove is not used; however, it is sized to accept the shaft seal parts
in the event there is damage to one of the other seal glands.
(5)
CRITICAL:
AFTER the seals are installed, lightly coat the entire exposed surface of
the seal caps with clean hydraulic oil.
vi) GEN1 SB-18 Obsoleted Seal Versions
(1) Older actuators may have different seals in them than shown above.
(2) The older actuators have improved shafts and these seals in them and are designated
with a ‘C’ on the end of the shaft as shown in the image below.
(3) There are two different variants older models may have.
(a) Variant 1 = O-ring and “L” shaped Seal.
(b) Variant 2 = Orange Spacer, O-ring and Seal.
(c) Variant 3 = O-ring and Back-Up Ring.
(d) Refer to images below for each of the obsoleted variants.
(4) In the instances of older units with these shaft seal variants, the seals and seal kit
identified for GEN1 SB-18 are replacements for these seals.
(5) Refer to SECTION 7 for more information on seals and kits.
