Repair
3A2347ZAA 55
c. Install piston valve (222) onto piston rod (223).
Torque to 24-30 ft-lb (33-41 N•m).
2. To protect the seals from the sharp threads, place
seal installation tool 15B661 into the throat bore.
See FIG.28.
3. Push the piston rod assembly (223) into the melter
outlet manifold (203).
4. Grease the throat u-cup (234) and slide the u-cup
over the piston rod (223) with the lips facing down.
5. Place a 7/8 in. deep-well socket (3/8 in. drive) over
the piston rod (223) then use a rubber mallet to gen-
tly tap throat u-cup (234) into place. See FIG.29.
6. Slide throat bearing (233) over the piston rod (223).
Use socket and tap with a rubber mallet to press
throat bearing (233) into place and seat the throat
u-cup.
7. Remove seal installation tool.
8. Install retaining nut (235). See FIG.28.
9. Install air motor assembly (see FIG.27):
a. Install three screws (240).
b. With retaining ring around piston rod, install
dowel pin (238).
c. Install retaining ring (239) over dowel pin.
10. Use nuts (3) to install melter shield (27).
11. Connect air lines to relief valve and air motor.
12. Install plastic shroud (27).
FIG.28
FIG.29
ti20877a
15B661
203
ti21047a
234
FIG.30
ti21144a
233
235