Operation
Operation
Pressure Relief Procedure
1.Engage the trigger lock.
2.See FIG. 1. Turn off the
(U).
3.Disengage the trigger lock.
4.Hold a metal part of the gun firmly to a grounded metal waste container. Trigger the gun to relieve fluid pressure.
5.Engage the trigger lock.
6.Open all fluid drain valves in the system, having a waste container ready to catch the drainage. Leave the drain valve(s) open until you are ready to spray again.
7.If you suspect that pressure has not been fully relieved after following the steps above, check the following:
a.The spray tip may be completely clogged. Very slowly loosen the air cap retaining ring to relieve pressure in the cavity between the ball/seat shutoff and the plugged tip. Clear the tip orifice.
b.The gun fluid filter or the fluid hose may be com- pletely clogged. Very slowly loosen the hose end coupling at the gun and relieve pressure gradually. Then loosen completely to clear the obstruction.
c.After following the steps above, if the spray tip or hose still seems completely clogged, very slowly loosen the tip guard retaining nut or hose end coupling and relieve pressure gradually, then loosen completely. With tip removed, trig- ger gun into waste container.
Flush Before Using Equipment
The equipment was tested with lightweight oil, which is left in the fluid passages to protect parts. To avoid con- taminating your fluid with oil, flush the equipment with a compatible solvent before using the equipment. See Flush the Pump, page 17.
Trigger Lock
See FIG. 4. Always engage gun trigger lock when you stop spraying to prevent gun from being triggered acci- dentally by hand or if dropped or bumped.
Gun Trigger
Safety Locked
TI6581A
Gun Trigger
Safety Unlocked
TI6582A
FIG. 4. Trigger Lock
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