User's Manual

Repair
34 313527V
L20c 2 in. Elevator
Disassemble Piston Rod Seal, Bearing, and Piston
1. Remove air motor. See Remove Air Motor on page
26.
2. Remove nut (522), lock washer (521), handle (520),
washer (519), and air motor mounting bracket (518)
from end cap (516).
3. Remove retaining ring (510).
4. Remove cylinder end cap (516). Remove o-ring
(513) and replace if necessary.
5. Remove screw (514) from inside cylinder (515) and
lift cylinder assembly off of elevator cart (501).
6. Remove piston (511) from cylinder (515). Remove
o-rings (512, 513) and inspect for damage. Replace
as necessary.
7. Remove retaining ring (510) from bottom of cylinder
(515).
8. Remove nut (509), screw (508), and bearing (505)
from cylinder (515). Inspect bearing for damage.
Replace as necessary.
Assemble Piston Rod Seal, Bearing, and Piston
1. Install screw (508) in bearing (505). Install bearing
in cylinder (515) and tighten with nut (522).
2. Install retaining ring (510) in bottom of cylinder (515)
and wave spring (507) on top of bearing (505).
3. Ensure screw (508) faces backwards and install cyl-
inder with bearing on elevator cart (501).
4. Install piston (511) with new o-rings (513) and press
on to rod.
5. Install screw (514) into cart rod.
6. Install new o-ring (513) on cylinder end cap (516)
and install in cylinder (515).
7. Use screwdriver to install retaining ring (510) in top
of cylinder (515).
8. Install air motor mount (518) on cylinder end cap
(516).
9. Install washer (519), handle (520), lock washer
(521), and nut (522).
F
IG . 34: L20c Piston Rod Seal, Bearing, and Piston
r_255648_313527_37a
507
505
509
508
510
501
515
511
512
513
514
516
510
518
519
520
522
521