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Gun Repair
32 312900G
Remove and Replace Power
Supply
• 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 27.
2. Remove the barrel (16), page 31.
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. On Smart Model
only, disconnect the flexible circuit (59) from the
socket at the top of the handle (17). See F
IG. 18.
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. On Smart Model only, disconnect
the 6-pin flexible circuit (59) from the power supply.
5. Check the power supply resistance, page 24.
Replace if necessary.
6. On Smart Model only, connect the 6-pin flexible cir-
cuit (59) to the power supply.
7. Connect the 3-wire connector (GG). Slide the alter-
nator (19) down onto the power supply (18).
8. Lubricate the alternator o-ring (19a*) with non-sili-
cone grease, Part No. 111265. Do not over-lubri-
cate. Ensure the alternator pads (19e) are in place.
9. Lubricate the power supply seal (18a) with dielectric
grease (40).
10. Insert the power supply/alternator assembly in the
gun handle (17). Make sure the ground strips make
contact with the handle. On Smart Model only, con-
nect the flexible circuit (59) to the socket at the top
of the handle. Push the 6-pin connector into the
socket to ensure it is properly connected.
11. Install the barrel (16), page 31. Ensure the ground
spring (53) is in place.
12. Test gun resistance, page 23.
NOTICE
Be careful when handling the power supply (18) to
avoid damaging it.
FIG. 18. Power Supply
ti1505cx
19
10*
19a*
59
GG
18
19e
17
18a
53