Adjusting The Spray Pattern - Graco DELTA SPRAY XT GUN 310692D Instructions - Parts Manual

Adjusting the Spray Pattern

1. To achieve full fan pattern, open the pattern adjust-
ment valve (25) by turning the knob fully counter-
clockwise.
(Open)
F . 7
IG
2. Trigger gun and adjust gun air pressure:
Gun Inlet Air
Pressure
PSI (kpa, bar)
HVLP Gravity 29 (210, 2.1)
HVLP 40 (280, 2.8)
Pressure
Compliant 29 (210, 2.1)
Airspray 40 (280, 2.8)
gravity feed
Airspray 40 (280, 2.8)
pressure feed
WARINING
PRESSURIZED EQUIPMENT HAZARD
To avoid injury, never open the fluid adjustment
knob (21) beyond the one half turn indicated in
step 3 in Adjusting the Spray Pattern. If the red
band on the knob stem (21) is visible, the knob is
not adjusted correctly and could result in serious
injury. Repeat step 3 in Adjusting the Spray
Pattern.
310692D
(Close)
25
ti4841a
Hose Inlet Air
Pressure
PSI (kPa, bar)
25 ft 5/16 in.
(7.9 mm) ID hose
50 (345, 3.4)
72 (480, 4.8)
41 (280, 2.8)
52 (345, 3.4)
56 (410 4.1)
3. To establish the correct fluid flow, turn the fluid
adjustment knob (21) counterclockwise until no
restriction of the trigger movement is felt, then turn
out another half turn. When the knob is turned far
enough, the trigger should be able to touch the gun
handle when the gun is triggered.
(Open)
F . 8
IG
4. Pressure feed only: Adjust fluid pressure to achieve
desired fluid flow rate
5. To reduce fluid flow, turn the fluid adjustment knob
(21) clockwise.
• If the fluid adjustment knob is turned clockwise
all the way, the gun will emit only air.
• If you cannot achieve the correct fluid flow with
the fluid adjustment knob, a different sized noz-
zle may be necessary. For smaller fluid flow,
use the next size smaller nozzle. For a larger
fluid flow, use the next size larger nozzle.
(Open)
F . 9
IG
6. Spray a test pattern. Evaluate the spray pattern size
and atomization.
Setup
(Close)
21
ti4840a
(Close)
21
ti4840a
11