Graco TI3840a important safety instructions Stuck Purge Rod, Clean Purge Rod, Adjust Purge Rod

3. Clean CeramTip hole (E) with appropriate size drill (supplied). See TABLE 2. Also see identification chart under Drill Bit Kits, page 51.

Maintenance

Stuck Purge Rod

If purge rod (31) is stuck and cannot actuate, use this procedure to free it.

E

TI3868a

Clean flat tip slit (H) with tip cleanout tool 15D234 (page 53).

15D234

H

4. Open B (RESIN) fluid valve (about three half

turns). Then open A (ISO) fluid valve.

B

A TI3838a

5. Disengage piston safety lock, page 12.

TI3849a

1. Engage piston safety lock, page 12.

TI3850a

2. Trigger gun and hold. Turn purge rod counterclock-

wise.

TI3828a

3. Adjust Purge Rod, page 15.

Clean Purge Rod

Clean purge rod (31) weekly or monthly.

1. Follow Pressure Relief Procedure, page 18.

2. Flush Gun, page 22.

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