Graco WB100, Instructions-Parts List Manual

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Repair
Barrel Barrel Barrel Removal Removal Removal
1. Follow the steps
in
Prepare the Gun for Service, page 58 .
2. Remove the air inlet fitting (21) and take the
bracket (104) off the gun handle (16).
3. Loosen the two screws (27).
NOTICE NOTICE
NOTICE
To avoid damaging the power supply (11), pull
the gun barrel (1) straight away from the gun
handle (16). If necessary, gently move the gun
barrel from side to side to free it from the gun
handle.
4. Hold the gun handle (16) with one hand and pull
the barrel (1) straight off the handle.
NOTE: NOTE:
NOTE: If the power supply remains in the barrel,
remove the alternator/power supply assembly from
the barrel.
Figure 41 Barrel Removal
Barrel Barrel Barrel Installation Installation Installation
1. Be sure the gasket (28*) and grounding spring
(18) are in place. Make sure the gasket air
holes are aligned properly. Replace the gasket if
damaged.
2. Make sure the spring (11a) is in place on the tip of
the power supply (11). Liberally
Liberally
Liberally apply dielectric
grease (44) to the tip of the power supply. Place
the barrel (1) over the power supply and onto the
gun handle (16).
3. Tighten the two screws (27) oppositely and
evenly (about a half turn past snug, or 20 in-lb.,
2 N•m).
NOTICE NOTICE
NOTICE
To avoid damaging the gun barrel, do not
over-tighten the screws (27).
4. Position the bracket (104) on the gun handle (16)
and secure with the air inlet fitting (21).
5. Apply dielectric grease (44) to the exposed inner
tube of the fluid hose (101).
6. Check that the nut (105) is tight on the ferrule
housing (103).
7. Follow the steps in Test Gun Resistance, page 47 .
Figure 42 Barrel Installation
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