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Alternate Priming Method
20 3A1456D
Inlet Valve Cleaning
Removal
1. Engage trigger lock and pull relief valve UP to
release pressure.
2. Remove material cup and suction tube.
3. Hold sprayer upside-down and use wrench or
socket to loosen and remove inlet fitting, inlet valve,
and spring.
NOTE: Make sure the spring also comes out. Use
needle-nose pliers to remove if needed. Inlet cavity
should be completely empty (as shown below).
4. Clean as much excess material from pump cavity as
possible. Make sure you also clean spring (a), o-ring
(c), and top of inlet fitting (d).
Installation
NOTE: Before installing, make sure o-ring (c) is installed
on inlet valve (b).
1. Place inlet valve (b) with spring (a) on top of inlet fit-
ting (d). Push inlet fitting up into pump cavity.
2. Hold inlet in place and turn sprayer upside-down.
Remove inlet fitting and visually check to see that
inlet valve has seated correctly.
3. Replace inlet fitting and use wrench and socket to
tighten to 10 ft-lb (13.5 N•m).
4. Use the Fine-Finish Optimizer cleaning tool to lightly
push on inlet valve to make sure it moves up and
down freely.
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NOTICE
Do NOT over-tighten inlet fitting. Damage to the
equipment will occur.
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c
b
a
d
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