Graco 24T918 Instruction Manual page 57

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 F . 32.
IG
203
F . 32
IG
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 F
ti21047a
F . 33
IG
333347F
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.
15B661
ti20877a
F . 34
IG
7. Remove seal installation tool.
8. Install retaining nut (235). See F
9. Install air motor assembly (see F
. 33.
IG
a. Install three screws (240).
b. With retaining ring around piston rod, install
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).
234
dowel pin (238).
Repair
235
233
ti21144a
. 32.
IG
. 31):
IG
57