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3A2799A 11
3. Place the gasket (2b) on the valve seat (2a). Grease
the threads of the valve seat (2a) then install into the
fluid housing (22). Torque to 20-25 ft-lb (27-34 N•m).
See FIG.13.
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 set-
screw cavities with petroleum jelly. See FIG.14.
5. If the spring (19) was removed, grease the spring
adjuster (20) and place the spring on the adjuster
then drop into the gun body (1). See FIG.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.16.
FIG.13
FIG.14
2a
2b
22
ti19278a
17
16
ti19279a
FIG.15
FIG.16
19
20
1
ti19280a
1
22
15
ti19272a