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Fluid Set Installation
Complete spray guns are available with #3, #4, or #5
fluid sets. To install other fluid sets, perform the follow-
ing steps. See Fig. 2.
1. Remove air cap retaining ring (28). Discard pack-
aging (not shown). Remove detente plate and
spring (26).
2. Remove fluid regulator assembly (18, 19, 20) and
spring (21) from back of gun.
3. Fully insert needle assembly (14) into back of fluid
manifold (6).
4. Perform needle adjustment procedure steps 2 thru
5 of Adjusting Needle on page 16.
5. Perform needle packings adjustment procedure
steps 4 thru 8 of Adjusting Needle Packings on
page 16.
Prepare 980 Cup Gun for Pressure Feed
1. Remove air pressure tube (31) from air stem (34).
See parts drawing on page 20.
26
29
28
Fig. 2
Setup
6
2. Hold fluid inlet fitting (7) with wrench and remove
cup assembly (32).
3. Remove air stem (34) from gun body (1).
4. Apply medium strength threadlocker to set
screw (30) and assemble to gun body.
Prepare Fluid
1. Always strain fluid before spraying; this includes
color, reducer, and hardeners.
2. Use slower drying reducer or thinner to compen-
sate for faster drying time from warm turbine air.
Do not over reduce.
Paint Reduction – Automotive Type Finishes
Reduce and catalyze all paint to manufacturer's speci-
fications. Compensate for faster turbine drying time by
using reducer one-step slower than conventional air
spray.
19
18
21
20
14
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