5 310746F
FINEX HVLP AND CONVENTIONAL SPRAY GUNS
Service
Preparation
1. Flush and clean gun before servicing. See page 3.
2. Follow Pressure Relief Procedure, page 1.
Air Cap, Nozzle, and Needle
1. Unscrew air cap (1). FIG. 6.
2. Trigger gun while you remove the nozzle (2) with gun
tool (27). See F
IG. 5.
3. Remove fluid adjustment knob (20) and spring (19).
F
IG. 6.
4. Pull needle (18) out the back of the gun.
Air Valve and Needle Packings
1. Remove retaining ring (26), gaskets (24), pin (25) and
trigger (23). F
IG. 7.
2. Remove packing nut (4) and packing (3).
3. Remove air valve shaft (8).
4. Remove fitting (17) with Allen wrench (FX100: 8 mm,
FX200/300: 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 valve air shaft (8) and air
valve piston (14) is achieved. DO NOT over tighten
the o-ring packing holders (9) as a sluggish needle or
sticky trigger condition will result. Be sure to trigger
gun when installing nozzle (2).
Technical Data
WARNING
Follow Pressure Relief Procedure when you stop spraying
and before cleaning, checking, or servicing equipment. Read
warnings, page 2.
CAUTION
Trigger gun and use gun tool (27) whenever you tighten or
remove the nozzle (2) to avoid damage.
FIG. 5
F
IG. 6
YES NO
2
27
1220 19 18
F
IG. 7
Maximum Working Air Pres-
sure
100 psi
(0.7 MPa, 7 bar)
Maximum HVLP Inbound Air
Pressure .
29 psi
(0.2 MPa, 2 bar)
Fluid and Air Operating Tem-
perature Range 32–109° F (0–43° C)
Weight
FX100 14 oz. (40 g)
FX200 24 oz. (68 g)
FX300 24 oz. (68 g)
Air Inlet 1/4-18 npsm (R1/4-19) compound
thread
Wetted Parts Aluminum, stainless steel, brass,
PTFE
Noise Data
FX100 Sound Pressure
Sound Power
64.08 dB(A)
73.97 dB(A)
FX200 Sound Pressure
Sound Power
79.01 dB(A)
88.91 dB(A)
FX300 Sound Pressure
Sound Power
72.98 dB(A)
82.88 dB(A)
Air Consumption
FX100 4.9 cfm at 29 psi (200 kPa, 2 bar)
FX200 11.9 cfm at 41 psi (283 kPa, 2.8 bar)
FX300 11.4 cfm at 29 psi (200 kPa, 2 bar)
7
19*
9*
10*
11* 12
13* 10* 14 16* 17
10*
9*
18
20
2524
23
24
26*
8
3*
4
21
5
TI5088B
6
30
28 27
21
22
15*
13*
15*
29
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