HP GRACO OR PRO TI1681A - Manual (Page 43)

Repair
309293J 43
Electrode Replacement
1. Prepare the gun for service, page 41.
2. Remove the air cap and nozzle, page 42.
3. Unscrew the electrode (29) with the multi-tool (37).
Hold the packing rod end (26h) to prevent it from
turning, F
IG . 25..
4. Apply low-strength (purple) Loctite
®
or equivalent
thread sealant to the electrode and packing rod
threads. Install the electrode finger-tight. Do not
overtighten.
5. Install the fluid nozzle and air cap, page 42.
6. Test gun resistance, page 30.
Fig. 25. Electrode Replacement
CAUTION
To avoid damaging the plastic threads, be very care-
ful when installing the electrode.
TI1682a
37