Repair

Repair

Tools Required

Tools needed for complete gun repair:

adjustable wrench

flat head screwdriver (included)

channel-lock pliers (2 pair)

5/16 hex nut driver (included)

o-ring pick

medium-strength Loctitep

solvent or alcohol

Lubrication

Liberally lubricate all o-rings, seals, and threads with Fusion Gun Lubricant, page 53. Lubricate threads and outside of lock ring (11).

Replace CeramTip

1. Follow Pressure Relief Procedure, page 18.

2. Remove fluid manifold (G). Leave air connected.

G

TI3852a

3. Back out purge rod 1-2 turns with nut driver.

TI3828a

4. Remove air cap (9), retainer (28), and CeramTip

(40).

28 40

9

TI3843a

If CeramTip is stuck, trigger and detrigger gun once to release it.

5. Install new CeramTip (40). Lubricate all threads.

Install retainer (28) fingertight, plus 1 notch. Install air cap (9) fingertight.

6. Adjust Purge Rod, page 15.

7. Attach fluid manifold. Return gun to service.

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Image 34
Graco TI3840a important safety instructions Repair, Tools Required, Lubrication, Replace CeramTip