Maintenance; Gun Service Kits; Clean Spray Gun - Graco GUSMER D Series Instructions Manual

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Maintenance

Maintenance

Gun Service Kits

Use either the 1-Quart Gun Service Kit (296980) or
3-Gallon Gun Service Kit (296981) to perform daily
flushing of spray gun without disassembly.
F
. 15 1-Quart Gun Service Kit
IG
For more information about the 1-Quart Gun Service Kit,
see manual your Gun Service Kit manual.
F
. 16 3-Gallon Gun Service Kit
IG
For more information about the 3-Gallon Gun Service
Kit, see manual 311341.
16

Clean Spray Gun

Chemicals used while spraying may cause the gun
surface to become hot to touch. Thoroughly flush gun
block with gun cleaner before removing valving rod or
mixing components from gun block. Also allow
chemicals in spray gun to cool before cleaning.
This procedure makes use of the 1-Quart or 3-Gallon
Gun Service Kit.
1. Close both manual valves.
2. Remove gun from coupling block.
3. Attach service block of gun service kit to spray gun,
and then tighten using 5/16 in. nut driver.
4. Pressurize container to 100 psi.
5. Open one manual valve on service block.
6. Trigger gun while holding against a grounded waste
container until there is a fine, unobstructed mist of
gun cleaner.
7. Release trigger of gun and 1-quart kit, and close
manual valves on service block.
8. Repeat steps 5-7 for other side of gun.
9. After initial cleaning, remove air cap and flush a
second time to ensure thorough cleaning.
10. Remove service block of gun service kit from spray
gun.
11. Disconnect air supply.
12. Clean screens, check valves and screen screw. See
NOTE: Clean Center Line Components using
Gun Service Kit prior to performing any repair
procedures. procedure, page 17.
NOTE: Inspect air cap, mixing chamber, and gun block
for build up of material and clean as required. Do not
use metal cleaning devices to clean plastic components.
311320K

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