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Service
WARNING
Follow Pressure Relief Procedure when you stop
spraying and before cleaning, checking, or servicing
equipment. Read warnings, page 2.
Preparation
1.
Flush and clean gun before servicing. See page 4.
2.
Follow Pressure Relief Procedure, page 3.
Air Cap, Nozzle, and Needle
1.
Unscrew air cap (1). F
2.
Trigger gun while you remove the nozzle (2) with
gun tool (27). See F
CAUTION
Trigger gun and use gun tool (27) whenever you
tighten or remove the nozzle (2) to avoid damage.
3.
Remove fluid adjustment knob (20) and spring (19).
F
. 6.
IG
4.
Pull needle (18) out the back of the gun.
2
YES
F
. 5
IG
20 19
18
F
. 6
IG
Air Valve and Needle Packings
1.
Remove retaining ring (26), gaskets (24), pin (25)
and trigger (23). F
IG
2.
Remove packing nut (4) and packing (3).
6
. 6.
IG
. 5.
IG
27
NO
2
1
. 7.
3.
Remove air valve shaft (8).
4.
Remove fitting (17) with Allen wrench
(Mini-HVLP: 8 mm, Conventional/HVLP: 9 mm).
5.
Remove o-rings (13, 10) and holder (9) from fitting
(17).
6.
Remove spring (16), piston (14), and o-ring (10).
7.
Remove air valve seat (12) with o-ring (13) and
gasket (11).
8.
Remove o-ring (10) and holder (9).
9.
Replace parts as needed.
10.
Reassemble in reverse order. Lubricate needle and
o-rings. Tighten o-ring packing holders (9) until
smooth movement of the air valve shaft (8) and air
valve piston (14) is achieved. DO NOT overtighten
the o-ring packing holders as a sluggish needle or
sticky trigger condition will result. Be sure to trigger
gun when installing nozzle (2).
30
29
6
1
2
5
4
3*
8
9* 10*
26*
24
24
25
15*
23
F
. 7
IG
Service
28
15*
27
11* 12
7
10* 9*
13* 10* 14 16*
13*
18
21
22
19*
20
TI5088B
311104C
17
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