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Repair
30 309291P
Power Supply Removal and
Replacement
• Inspect the gun handle power supply cavity for dirt
or moisture. Clean with a clean, dry rag.
• Do not expose gasket (10) to solvents.
1. Prepare gun for service, page 24.
2. Remove the barrel (16), page 29.
3. Grasp the power supply (18) with your hand. With a
gentle side to side motion, free the power sup-
ply/alternator assembly from the gun handle (17),
then carefully pull it straight out. See F
IG. 15..
4. Disconnect the 3-wire connector (GG) from the
power supply. Slide the alternator up and off the
power supply. Inspect the power supply and alterna-
tor for damage.
5. Check the power supply resistance, page 18.
Replace if necessary.
Before installing the power supply, make sure the
o-rings (18a*, 19a*), spring (18b), and pads (19e) are in
place.
6. Connect the 3-wire connector (GG). Slide the alter-
nator (19) down onto the power supply (18).
7. Lubricate the alternator o-ring (19a*) with non-sili-
cone grease, Part No. 111265. Do not over-lubri-
cate.
8. Lubricate the power supply o-ring (18a*) with dielec-
tric grease (40).
9. Insert the power supply/alternator assembly in the
gun handle (17). Make sure the ground strips make
contact with the handle.
10. Install the barrel (16), page 29.
11. Test gun resistance, page 17.
Fig. 15. Power Supply
CAUTION
Be careful when handling the power supply (18) to
avoid damaging it.
ti1534a
18
19
*18a
18b
*10
*19a
16
GG
19e