Graco Inc. 241705 - Manual (Page 12)

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Service
Fig. 14
2c
22
03676
2. Lightly grease the small end of the needle (2c) and
then guide it into the large end of the fluid housing
(22).
Fig. 15
1
2b
2a
22
Grease the threads
2
Torque to
20--25 ft--lb
(27--34 N.m)
03977
3. Place the gasket (2b) on the valve seat (2a).
Grease the threads of the valve seat (2a). Screw
the valve seat into the fluid housing (22). Torque to
20--25 ft--lb (27--34 N.m). See Fig. 15.
04729 Fig. 16
2
1
16
17
Apply light strength LoctiteR;
Torque alternately and evenly to
25--30 in--lb (2.8--3.4 N.m)
Seat against needle stem
1
2
3
Fill cavity with
petroleum jelly
3
3
4. Install the spring guide (16) and seat it against the
needle. Loosely thread both setscrews (17) into
the spring guide, then alternately and evenly tighten
the setscrews to 10--15 in-lb (1.1--1.6 N.m). Fill
the setscrew cavities with petroleum jelly.
Fig. 17
1 Grease this side
1
20
19
1
03979
5. If the spring (19) was removed, grease the spring
adjuster (20) and place the spring. Drop this assem-
bly into the gun body (1). See Fig. 17.
04736 Fig. 18
1
2
Torque to 30--40 in--lb
(3.4--4.5 N.m)
Fill cavity with petroleum
jelly
2
1
22
15
6. Push the fluid housing (22) onto the gun body (1)
until fully seated. Tighten the setscrew (15) to
30--40 in--lb (3.4--4.5 N.m). Fill the setscrew cavity
with petroleum jelly. See Fig. 18.
Fig. 19
24
04733
7. Install the screws (24). See Fig. 19.