Graco 17J873 - User Manual
Graco 17J873 – User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 3 – Pump Assembly Removal; Replace Pressure Control O-ring; Disassembly; Replace PushPrime Button O-ring
- Page 4 – Prime/Spray Valve Replacement; X Z
- Page 5 – Replace Pump Outlet Valve O-ring; Replace Pump Filter Housing O-ring; Replace Pump Packing O-ring
- Page 6 – Pump Assembly Installation; Suction Tube Replacement; c l
- Page 7 – Lacquer Conversion Kit 17J873 for ProX7 & ProX9 sprayers
- Page 9 – Notes
- Page 10 – Graco Information; For the latest information about Graco products, visit
312933F
Instructions
Lacquer Conversion Kit 17L305
& 17J873
For converting sprayers to spray lacquer materials.
Important Safety Instructions
Read all warnings and instructions in this manual and in the sprayer
operation manual. Save these instructions.
EN
Refer to the illustrations in this document and your
Owners/Operation manual for additional parts
information, wiring diagrams, and any additional
assembly torques that you may need.
Pressure Relief Procedure
Before servicing the sprayer, pump pressure must be
relieved.
1. Turn ON/OFF switch to the
OFF
position.
2. Engage the trigger lock. Always engage the trigger
lock when sprayer is stopped to prevent the gun
from being triggered accidentally.
3. Turn pressure control to lowest setting.
4. Put drain tube into a pail and place Prime/Spray
valve in PRIME position (drain) to relieve pressure.
5. Hold the gun firmly to a pail. Point gun into pail. Dis-
engage the trigger lock and trigger the gun to
relieve pressure.
6. Engage the trigger lock.
7. If you suspect the spray tip or hose is clogged or
that pressure has not been fully relieved:
a. VERY SLOWLY loosen the spray tip guard
retaining nut or the hose end coupling to relieve
pressure gradually.
b. Loosen the nut or coupling completely.
c. Clear airless hose or spray tip obstruction.
WARNING
SKIN INJECTION HAZARD:
This sprayer builds up
an internal pressure of 3000 psi (20.7 MPa, 207
bar) during use. This equipment stays pressurized
until pressure is manually relieved. Follow this
Pressure Relief Procedure
whenever you stop
spraying and before cleaning, checking, servicing,
or transporting equipment to prevent serious injury.
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Other Manuals for Graco 17J873
Summary
312933F 3 Pump Assembly Removal 1. Perform Pressure Relief Procedure , on page 1. 2. Unplug sprayer. 3. Pull tabs on sides of the easy access door pump towards you while pushing the entire door away from the inlet end of the pump. 4. Now lift the door so that it swivels out of the way. 5. Remove pum...
4 312933F Prime/Spray Valve Replacement Disassembly 1. Turn knob (A) up to SPRAY position.2. Remove pin (B) with pin punch and hammer. 3. Remove knob (A) and base (C). 4. Remove valve stem assembly (D) from pump hous- ing (1). Make certain gasket (X) and seat (Z) do not stay in pump housing (1). Ass...
312933F 5 11. Install pin (B) through hole in knob (A). Tap pin through knob with hammer. End of pin will be flush with top of hole in knob when correctly installed. Replace Pump Outlet Valve O-ring Disassembly 1. Remove outlet valve (15) from pump housing (1). Remove O-ring (42). 2. Clean all dried...
