JLG 45e Service Manual - Manual (Page 48)

SECTION -
-22 – JLG Lift – 3120861
3. Place a new “o”-ring in the applicable outside diam-
eter groove of the cylinder head.
4. Install retainer or retaining ring onto the cylinder rod.
5. Carefully install the cylinder head on the cylinder
rod, ensuring that the o-ring and back-up rings are
not damaged or dislodged. Push the head along the
rod to the rod end as applicable.
6. Using suitable protection, clamp the cylinder rod in
a vise or similar holding fixture as close to the piston
as possible.
7. If applicable, correctly place new o-ring in the inner
piston diameter groove.
8. If applicable, correctly place new seals and guide
lock rings in the outer piston diameter groove.
NOTE: Step (9) applies to Upper, Mid, Lower Lift, Master,
and Slave Cylinders.
9. Push the piston onto the rod until it abuts the spacer
end and install the attaching nut, and spot drill cylin-
der rod for set screw then install setscrew. (See
Table 2-1.)
NOTE: Step (10) applies to Steer Cylinder.
10. Push the piston onto the rod until it straddles the o-
ring in the center groove and abuts the retaining
ring. Install the other retaining ring and spacer.
NOTE: Step (11) applies to the Slave Leveling and Master
Cylinders. (Cylinders built from 12/94 to present)
11. Install piston onto rod by hand tighten the piston
hand tight and install the attaching nut, and spot drill
cylinder rod for set screw then install setscrew. (See
Table 2-1.).
NOTE: Step (12) applies to 35/n35/40/n40/45 electric Tele-
scope Cylinder.
Figure 2-17. Wiper Seal Installation.
Figure 2-18. Poly-Pak Piston Seal Installation.
Figure 2-19. "O"-Ring Installation.
Figure 2-20. Piston Seal Kit Installation.
Figure 2-21. Steer Cylinder Piston Installation.