Graco 313289s Alternator Power Supply Control Components, Alternator Module Repair, Fcm, Usb

Repair

Alternator Power Supply Control Components

Alternator Module Repair

Alternator Repair Kit 257147 is available to replace tur- bine bearings.

1.Remove shroud. See Remove Shroud.

2.Disconnect main power.

3.Remove four nuts (4); leave two nuts on left side of panel tight. Open front panel of control box (11).

4.Disconnect output power cable connections from alternator module and ground lead from control box.

5.Disconnect power supply cables from FCM, USB, and display.

Air Reg.

	313289_23
		312359_
FCM		r
		Display

USB Exhaust

6.Disconnect air regulator air line and exhaust air line.

7.Remove four screws (263) from mounting to remove alternator from control box.

r_256991_313293_7

260

263

8.Remove seven screws (708) to separate alternator housings.

9.Replace turbine (704) if necessary. Lightly lubricate turbine o-ring to ease alternator housing reassem- bly.

708

708

704

705

702

703

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10.Replace gasket (702) and/or circuit board assembly

(705)if damaged.

11.Follow steps in reverse order to reassemble alterna- tor regulator assembly and to reconnect power cables and air lines. Refer to Electrical Schemat- ics, page 47.

NOTE:

Avoid causing a kink in the flexible circuit board when you reconnect the circuit board assembly (705).

12.Start machine. Check control voltage on Alarm information screen. Voltage should be between 10-14 Vdc.

38 313289S