Graco Hydra-Spray EH 433 GT Series Instructions-Parts List Manual page 12

Cleaning a Clogged Tip
WARNING
To reduce the risk of serious bodily injury from from
fluid injection:
DO NOT hold a hand, body , or rag in front of the
spray tip when cleaning or checking it. Always point
the gun toward the ground or into a waste container
when checking to see if the tip is clear.
DO NOT try to "blow back" paint; this is NOT an air
spray system.
HANDLE SHOWN IN
SPRAYING POSITION.
TURN HANDLE 180 ,
DISENGAGE SAFETY
LATCH AND TRIGGER
GUN TO CLEAR CLOG
Fig 6
OPERATION
If you are using a Reverse-A-Clean (RAC)
spray tip:
1
2
3
4
GUN SAFETY
LATCH
If you are not using a reversing spray tip:
1
2
If the spray tip does clog, release the gun trigger, en-
gage the gun safety latch, and rotate the RAC IV
handle 180 . See Fig 6 .
Disengage the gun safety latch and trigger the gun
into a pail. Engage the gun safety latch again.
Return the handle to the original position, disengage
the gun safety latch, and resume spraying.
If the tip is still clogged, engage the gun safety latch,
shut off and unplug the sprayer, and open the pres-
sure drain valve to relieve pressure. Clean the spray
tip as shown in manual 307–848, supplied with the
RAC IV.
VERY SLOWLY loosen the tip guard retaining nut or
a hose end coupling and relieve pressure gradually,
then loosen the part completely. Clear the tip or hose
obstruction, and then reassembly.
If the tip is still clogged, engage the gun safety latch,
shutoff and unplug the sprayer , and open the drain
valve to relieve pressure. Remove the spray tip and
clean it.