Titan Tool 550-100 Manual

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©TitanToolInc.Allrightsreserved. 3

Maintenance

Follow all safety precautions as described in the Safety

Precautions section of this manual before proceeding.

NOTE: Refer to the Parts List section in this manual for part

identication.

Replacing/Servicing the Seal Assembly

Ifyourspraygunleaksorspitsatthetipwhenyoureleasethetrigger,the

needleorseatisworn,damaged,ordirtyandmustbereplacedorcleaned.

Never attempt to perform maintenance on the spray gun

without first performing the “Pressure Relief Procedure.”

 1. Disconnectthesprayhosefromthegun.

 2. Removethetipandtipguard.

 3. Withthetriggerdepressed,removethediuserandthecopper

washer from the front of the gun housing.

 4. Removetheheadscrew,triggerpivotscrew,andtrigger.

 5. Removetheplugfromtherearofthegunhousing.

 6. Inserttherepairtoolintothepassageattherearofthegunhousing,

andforcethesealassemblyoutthroughthefrontofthegun.

NOTE: If a repair tool is not available, remove one of the screws

from the bottom of the gun handle and use it to tap on the

back of the seal assembly.

 7. Lubricatetheo-ringsonthenewsealassembly.

 8. Installthenewsealassemblyintothefrontofthegunhousing.Using

theopenendoftherepairtool,forcethesealassemblycompletely

intothegunhousing.Pushontheballatthefrontoftheseal

assemblytoensurecompleteinsertion.

 9. Reattachthetrigger,triggerpivotscrew,andheadscrew.

 10. WIththetriggerdepressed,installthecopperwasherfollowedbythe

diuserintothefrontofthegunhousingandtightensecurelywitha

wrench.

 11. Performthe“AdjustingtheSealAssembly”proceduredescribed

below.

Adjusting the Seal Assembly

Proper adjustment of the seal assembly is essential to ensure

positive shut-off when the trigger is released.

1. Pull the trigger.

 2. Insertaatheadscrewdriverintothepassageattherearofthegun

housinguptothesealassembly.

 3. Threadtheplugintothepassageattherearofthegunhousingand

tighten securely.