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Maintenance
Daily Cleaning Procedure,
without Gun Service Kit
If the Gun Service Kit is not available, the iso side com-
ponents must be cleaned daily.
See AR Gun Tool Kit 253728 on page 28.
1. Place safety stop in SERVICE (CLOSED) position.
2. Remove pattern control tip.
3. Remove front impinger, packing, and o-ring from
pattern control tip.
4. Using pattern control tip/impinger cleanout tool
(607), clean the inside bore of the pattern control tip
by inserting and spinning.
5. Using cleanout spade (609), clean the front
impinger by sliding through slots. Clean inside bore
of the impinger as necessary.
6. Inspect packing for built-up iso and deformities and
replace as necessary.
7. Inspect o-ring for flat areas and replace as neces-
sary.
8. Remove screen screw then remove screen from
screen screw. Inspect gasket and replace as neces-
sary.
9. Clean screen screw and screen with solvent. If iso
build-up exists on screen screw, clean with brass
wire brush as necessary.
10. Clean gun block with solvent.
11. Remove iso check valve gasket using gasket
removal tool (611).
12. Using check valve removal tool (612), remove iso
check valve.
13. Clean all parts with solvent then blow dry with com-
pressed air and reassemble.
14
Flush Gun
To avoid static sparking that may result in fire or explo-
sion, ensure all equipment in flushing procedure is
grounded. Do not flush on or near foamed or coated
surfaces.
1. Set safety stop to SERVICE (CLOSED).
2. Close both manual valves.
3. Loosen screen screw and then remove by hand.
4. Use flush can to thoroughly flush screen screw and
screen screw cavity.
5. Service gun by following Troubleshooting proce-
dures, page 15.
Trigger Gun While Disconnected
During gun maintenance, it may be helpful to trigger the
gun while the electrical harness is disconnected. To do
so, perform the following steps.
1. Connect gun to air supply.
2. Using a small allen key, insert the small end into the
center hole of the exhaust valve cap (217) located
behind the trigger.
3. Pull trigger to depress allen key into muffler and
activate the valving mechanism. The gun should
trigger and the valving rod should pull back.
217
312888D
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