JLG 1500SJ Service Manual - Manual (Page 341)

SECTION 4 - BOOM & PLATFORM
3121262 – JLG Lift – 4-95
11. Remove the shaft (2) by rotating counterclockwise.
As the shaft is rotated, it will disengage from the pis-
ton sleeve (3) and can be removed. It may be neces-
sary to strike the threaded end of the shaft with a
rubber mallet.
12. As in step 9, before removing the piston (3), mark
the housing (1) ring gear in relation to the piston out-
side diameter gear. There should now be timing
marks on the housing (1) ring gear, the piston (3)
and the shaft (2).
13. To remove the piston (3) use a rubber mallet and a
plastic mandrel so the piston and housing bore are
not damaged.
14. At the point when the piston gear teeth come out of
engagement with the housing gear teeth, mark the
piston and housing with a marker as shown.
15. Remove the O-ring (204) and backup ring (207) from
end cap (4).
TO AVOID DAMAGE TO MACHINED PARTS CAREFULLY REMOVE
SEALS USING REMOVAL TOOLS WITH ROUNDED EDGES.
16. Remove the wear guide (302) from the end cap (4)
and shaft (2).