Graco WB3000 Instructions - Parts Manual page 52

Repair
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 (5) to solvents.
1. See Prepare the Gun for Service, page
2. See Gun Barrel Removal, page
NOTICE
Be careful when handling the power supply
(11) to avoid damaging it.
3. Grasp the power supply (11) with your hand.
With a gentle side to side motion, free the power
supply/alternator assembly from the gun handle
(16), then carefully pull it straight out.
Models only,
disconnect the flexible circuit (40)
from the socket at the top of the handle.
4. Inspect the power supply and alternator for
damage.
5. To separate the power supply (11) from the
alternator (15), disconnect the 3-wire ribbon
connector (PC) from the power supply.
Models only,
disconnect the 6–pin flexible circuit
(40) from the power supply. Slide the alternator
up and off the power supply.
6. See Test Power Supply Resistance, page
Replace the power supply if necessary.
To repair the alternator, see
Alternator Removal and Replacement, page
Smart models only:
7.
circuit (40) to the power supply.
To prevent damage to the cable and possible
interruption of the ground continuity, bend the
alternator's 3–wire ribbon cable (PC) upward
and back, so the bend faces the power supply
and the connector is at the top.
8. Connect the 3-wire ribbon connector (PC) to the
power supply. Tuck the ribbon forward, under
the power supply. Slide the alternator (15) down
onto the power supply (11).
52
47.
50.
On Smart
On Smart
37.
connect the 6–pin flexible
9. Insert the power supply/alternator assembly in
the gun handle (16). Make sure the ground strips
make contact with the handle. On Smart models,
align the connector of the 6–pin flexible circuit
(40) with the socket (CS) at the top of the handle.
Push the connector securely into the socket as
you slide the power supply/alternator assembly
into the handle.
Figure 32 Connect Flexible Circuit
10. Make sure the gasket (5*), ground spring (37a),
and power supply spring (11a) are in place.
53.
Assemble the barrel (1) to the handle (16). See
Gun Barrel Installation, page
11. See
Figure 33 Power Supply
Test Gun Resistance, page
50.
36.
3A2497C