3M 10, Owner'S Manual

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13

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11.  Thread fl uid needle tip on fi nger 

tight. Pull trigger back and hold 
while you install the fl uid nozzle with 
the gun wrench. Tighten the nozzle 
securely to obtain a good seal.

12.  Install the retaining ring and air cap.

Spray Gun Care and Cleaning cont.

10.  Scrub the retaining ring, air cap and 

fl uid nozzle with a soft-bristle brush. 
To clean out air cap holes, use a 
small brush. Clean the air cap and 
fl uid nozzle after each use. Do not 
soak the retaining ring in solvent for 
prolonged periods of time.

13.  Dampen a soft cloth with solvent 

and wring-out the excess. Point 
the spray gun down and wipe off 
the outside of the spray gun.

9.  With the spray gun pointed down, 

clean the front of the spray gun, 
using a soft-bristle brush and 
solvent.

8.  Dip the end of a soft-bristle brush 

into a compatible solvent. Do not 
continuously soak the brush’s bristles 
with solvent, and do not use a wire 
brush.

Fluid 
Nozzle

Fluid 
Nozzle

Valve Cap

Cup Hex
Fitting

Cup Hex
Fitting

Packing Nut

Seal

Housing

Fan Air

Fitting

Packing

Nut

Pressure

Stem

ATTENTION

Solvent left in the spray gun air 
passages could result in a poor quality 
paint fi nish. Do not use any cleaning 
method which may allow solvent into the 
spray gun air passages. Do not expose 
air regulators and gauges to solvent as 
damage may occur.

Cleaning Process 

1.  Relieve the pressure from the spray 

gun and cup before servicing.

2.  Refer to your cup or fl uid source 

manual for removal and cleaning.

3.  To retain unused material or 

temporarily store mixed material, 
see your Local, State, Federal and 
OSHA guidelines, along with material 
manufacturer’s recommendations for 
storage. 

4.  Flush the spray gun. To fl ush spray 

gun, run water or compatible and 
compliant solvent into the spray gun 
fl uid passage while triggering the 
spray gun.

Spray Gun Care and Cleaning cont.

5.  Remove the retaining ring and air cap.

6.  Pull trigger back and hold while 

removing the fl uid nozzle from the 
spray gun with the gun wrench. 

Note: 

This prevents damage to the 

needle tip and fl uid nozzle.

  Clean the fl uid and air line fi lters daily.

  Check for any fl uid leakage from the 

spray gun and fl uid hoses.

  Flush the spray gun before changing 

colors and when done operating the 
spray gun.

Wrench for composite 
handle spray gun

Wrench for metal
handle spray gun

7.  Release the trigger and unscrew the 

fl uid needle tip with fi ngers.