Airless DP6825, Operating Instructions Manual

Page: 17 / 22

DP-airless Page 17 of 22
14. Attach paint hose to gun, tighten with two
wrenches
15.
Turn the unit on and unlock gun trigger. Turn
to Spray B and point gun to side of cleaning
bucket.
16.
Trigger gun and gradually turn pressure knob
clock - wise to 1/2 pressure. Continue for
approximately 30 seconds
17.
.Release and lock trigger, reduce pressure,
turn to prime A . Turn unit off.
18.
Remove tip assembly. Raise the suction set
above the cleaning solution. Turn unit on, turn
to spray increase pressure and allow suction
tube to run dry.
19. Remove large suction tube from inlet valve,
See and point gun into cleaning bucket,
Reduce pressure about 1/2, unlock gun trigger
gun until hose is pumped dry.
20.
Lock gun, reduce pressure and turn
Prime/Spray Knob to prime A
21.
Lay unit back on handle so inlet valve is
facing upward. Clean threads of inlet valve
with a damp cloth. Fill inlet valve with light
household oil. Slowly increase pressure to
distribute the oil through the pump. Turn
Prime/Spray Knob from prime A to spray B to
distribute oil. Replace large suction tube to inlet
valve.
22.
Turn Prime/Spray Knob to prime A ,
reduce pres- sure, shut sprayer off. Unplug
sprayer. Refer to Pressure Relief.
23. Remove and clean suction set filter in clean
water or solvent with soft brush. Reassemble.
24. Wipe entire unit, hose and gun with a damp
cloth to remove accumulated paint.
CLEANING VALVES
Follow these procedures when encountering
problems indicated in the trouble shooting
section.
Removing and Cleaning Inlet Valve
1. Be sure sprayer is off.
2. Using a 27 millimeter socket or box end
wrench, remove the inlet valve assembly.