Power Supply Removal And Replacement - Graco 244592 Instructions-Parts List Manual

Repair
Power Supply Removal and
Replacement
• Inspect the gun body power supply cavity for dirt or
moisture. Clean with a clean, dry rag.
• Do not expose gasket (11) to solvents.
1. Prepare gun for service, page 35.
2. Remove the barrel (9), page 44.
CAUTION
Be careful when handling the power supply (12) to
avoid damaging it.
3. Grasp the power supply (12) with your hand. With a
gentle side to side motion, free the power sup-
ply/alternator assembly from the gun body (32),
then carefully pull it straight out. Disconnect the flex-
ible circuit (23) from the socket at the top of the body
(32). See F . 36..
IG
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. Disconnect the 6-pin flexible circuit
(23) from the power supply.
46
5. Check the power supply resistance, page 30.
Replace if necessary.
Before installing the power supply, make sure the
o-rings (12a, 13a), spring (12b), and pads (13e) are in
place.
6. Connect the 6-pin flexible circuit (23) to the power
supply.
7. Connect the 3-wire connector (GG). Slide the alter-
nator (13) down onto the power supply (12).
8. Lubricate the alternator o-ring (13a) with non-sili-
cone grease, Part No. 111265. Do not over-lubri-
cate.
9. Lubricate the power supply o-ring (12a) with dielec-
tric grease.
10. Insert the power supply/alternator assembly in the
gun body (32). Make sure the ground strips make
contact with the body. Connect the flexible circuit
(23) to the socket at the top of the body. Push the
6-pin connector into the socket to ensure it is prop-
erly connected.
11. Install the barrel (6), page 45.
12. Test gun resistance, page 29.
309298J