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When spraying small, confined areas, use the valve
and knob to make fine adjustments without adjusting
the pump.
Material flow adjustments (Fig. 1)
For a lighter spray pattern, adjust the air needle (18)
closer to the fluid tip and/or reduce the fluid pressure.
For a heavier spray pattern, adjust the air needle (18)
farther back from the fluid tip and/or increase the fluid
pressure.
NOTE: Withdrawing needle valve (18) too far can force
air back into fluid hose, stopping material flow.
Air flow valve adjustment
To decrease air flow turn the valve (5) clockwise.
To increase air flow, turn the valve (5) counter clock-
wise.
Check and thin the material as needed to maintain the
proper consistency. The material may thicken as it sits
and slow down production or affect the spray
pattern.
Flush and dry gun thoroughly at end of each work day.
Fig. 1
2
05614A
17
5
1
3
11
10
6
4
8
1
12
1
1
Apply PST sealant
9
1
1
1
23 22
18
212019 13 – 16
Ref
No Part No. Description Qty
Ref
No Part No. Description Qty
1 HOSE, coupled, air 1
113377 Model 238080 1
113601 Model 238807 1
2 HOSE or TUBE, fluid, with swivel 1
113378 Model 238080 (hose) 1
191633 Model 238807 (tube) 1
3 15B565 VALVE, ball, air 1
4 190807 BRACKET, valve, air 1
5 112779 VALVE, needle, air 1
6 113114 LOCKNUT, 1 in. npt 1
7 110110 SEALANT, PST (not shown) 1
8 190940 HANDLE, valve 1
9 113387 SLEEVE, handle 1
10 15E359 COUPLER, 1 in. male 1
11 119394 FITTING, air 1
12 238955 SPRAY GUN, flexhead 1
(includes items 13 – 16 and 18 – 23)
13 190943 TIP, spray gun, 3/16 in. 1
14 190944 TIP, spray gun, 1/4 in. 1
15 190945 TIP, spray gun, 5/16 in. 1
16 190946 TIP, spray gun, 3/8 in. 1
17 113121 VALVE, ball, 1 in. 1
18 190947 NEEDLE, air 1
19 190948 CAP, tip retaining 1
20 190942 HOUSING, spray gun 1
21 104282 O-RING 1
22 M70895 BUSHING 1
23 100085 SCREW 1
Technical Data
Weight 67 oz (1900 grams). . . . . . . . . . . . . . . . . . . . . . . .
This manual contains English. MM 308603
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
308603 April 1996, Revised 8/2007