Service
12
308491U
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).
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.
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).
6.
Push the fluid housing (22) onto the gun body (1)
u
ntil fully seated. Tighten the setscrew (15) to
30--40 in--lb (3.4--4.5 N.m). Fill the setscrew cavity
with petroleum jelly.
Ref.
Action
Grease the threads
Torque to 20-25 ft-lb (27 - 35 N•m)
1
2
2b
2a
22
ti03977a
Ref.
Action
Seat against needle stem
Apply light strength Loctite; Torque alternately and
evenly to 25-30 in-lb (2.8 - 3.4N•m)
Fill cavity with petroleum jelly
1
2
3
ti04729a
16
17
1
2
3
3
Ref.
Action
Grease this side
1
1
20
19
1
ti03979a
Ref.
Action
Torque to 30-40 in-lb (3.4 - 4.5 N•m)
Fill cavity with petroleum jelly
1
2
1
22
15
ti04736a
