JLG 660SJ Service And Maintenance Manual page 179

16. Install 0-ring (204) and back-up ring (207) in inner seal
groove on end cap (4).
17. Thread end cap (4) on shaft (2) end. Ensure wear guide
stays in place on end cap as it is threaded in housing (1).
18. Tighten end cap (4). Ensure holes for lock pins line up.
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19. Place lock pins (109) provided in Helac seal kit in holes
with dimple side up. Using a punch, tap lock pins to bot-
tom of hole.
20. Insert set screws (113) over lock pins. Tighten to 25 in-lb
(2.825 Nm).
– JLG Lift –
SECTION 4 - BOOM & PLATFORM
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