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309295 33
Power Supply Removal and
Replacement
NOTE:
•
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 26.
2. Remove the barrel (16), page 32.
3. Grasp the power supply (18) with your hand. With
a gentle side to side motion, free the power supply/
alternator assembly from the gun handle (17), then
carefully pull it straight out. On Smart Models only,
disconnect the flexible circuit (59) from the socket at
the top of the handle (17). See Fig. 17.
4. Disconnect the 3-wire connector (B) from the power
supply. Slide the alternator up and off the power
supply. Inspect the power supply and alternator for
damage. On Smart Models only, disconnect the 6-pin
flexible circuit (59) from the power supply.
5. Check the power supply resistance, page 20.
Replace if necessary.
NOTE:
Before installing the power supply, make sure
the o-rings (18a*, 19a*), spring (18b), and pads (19e) are
in place.
6. On Smart Models only, connect the 6-pin flexible cir-
cuit (59) to the power supply.
7. Connect the 3-wire connector (B). Slide the alterna-
tor (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-lubricate.
9. Lubricate the power supply o-ring (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 Models 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 32.
12. Test gun resistance, page 19.
Fig
.
1
.
Fig. 17. Power Supply and Turbine Alternator
CAUTION
Be careful when handling the power supply (18) to
avoid damaging it.
ti1505c
18
19
*18a
*10
*19a
59
B
17
19e
18b