Gradall 534B (9020-7317) Service Manual - Manual (Page 237)

Screw Pipe Plug into Cover.
Place ‘O’ Ring into Cover Cap internal
groove. The Disconnect Rd may be used to
push ‘O’ Ring into groove. Rod will be held
in place by friction from the ‘O’ Ring.
Slip ‘O’ Ring over Cover Cap and against
face.
Place Cover Cap into Cover with large hole
located over Pipe Plug.
Cover Sub-Assembly
1.
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4.