Graco 16N664, Операция - Ремонт - Запчасти

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Inlet Valve Fitting Removal/Service
22 3A2853C
Inlet Valve Fitting
Removal/Service
1. Engage trigger lock and pull prime/spray valve UP to
release pressure.
2. Remove material cup, flexible suction tube, and bat
tery.
3. Hold sprayer upside-down and use wrench to loosen
and remove inlet valve fitting, inlet valve, and spring.
NOTE: Make sure the spring also comes out. Use nee
dle-nose pliers to remove if needed. Inlet cavity should
be completely empty (as shown below).
4. Clean as much excess material from inlet cavity as
possible. Make sure you also clean spring (a), inlet
valve (b), o-ring (c), and top of inlet valve fitting (d).
5. Use a thin wire less than 1/16 in. (such as a paper clip)
to check that the outlet valve fitting moves freely. If
valve does not move freely, perform
Outlet Valve Fit
ting Repair , page 23.
Installation
NOTE: Before installing, make sure o-ring (c) is installed
on poppet valve (b). A needle-nose pliers can also be used
to install parts (a - c).
1.
Place poppet valve (b) with spring (a) on top of inlet
valve fitting (d). Push inlet fitting up into pump cavity.
2. Hold inlet in place and turn sprayer upside-down.
Remove inlet valve fitting and visually check to see
that inlet valve has seated correctly.
3. Replace inlet fitting and use wrench or socket to
tighten to 10 ft-lb (14 N•m).
4. Use a pencil or thin rod to lightly push on inlet valve to
make sure it moves up and down freely. Perform
Start
ing New Job procedure, page 11.
This equipment stays pressurized until pressure is
manually relieved. To help prevent serious injury from
pressurized fluid, such as skin injection, splashing fluid
and moving parts, remove battery and follow the
Pressure Relief Procedure when you stop spraying
and before cleaning, checking, or servicing the
equipment.
Move sprayer to a non-hazardous area before servicing.
NOTICE
When removing flexible suction tube from sprayer, make
sure to pull directly on top fitting of flexible suction tube.
Flexible suction tube will become damaged if pulled from
bottom or on flexible portion.
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NOTICE
Do NOT over-tighten inlet valve fitting. Damage to the
equipment will occur.
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c
b
a
d
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