Graco 310554V MAIN Power Switch Removal, MAIN Power Switch Replacement, Yellow, mounting, plate

7.Return the control assembly to normal operating condition.

MAIN Power Switch Removal

Remove the MAIN power switch as follows:

ELECTROCUTION HAZARD

Installing and servicing this equipment requires access to parts which could cause an electric shock or other serious injury. Have only qualified electricians access the control assembly

1.Shut off system power at the main circuit breaker.

2.At the control assembly, move the MAIN power switch to the OFF position. See FIG. 14.

3.Unlock and open the hinged cover of the control assembly.

4.Disconnect the lead wires from the four terminals on the MAIN power switch. Refer to FIG. 21 and FIG. 22 for lead wire identification. If necessary, label the wires to facilitate reassembly after the switch is replaced.

5.Remove one flat head screw that secures the red rotor to the switch assembly. Lift the rotor from the switch.

Yellow
mounting	0/7%2		-/4/2 &!5,4 25.
plate
Red rotor	-!).		25.  %.!",%
MAIN	#/.42/, 3%,%#4		-!.5!, 30%%$ #/.42/,
	!54/-!4)#	-!.5!,

power switch

FIG. 14

Control Assembly Service

6.Remove two flat head screws from the yellow mounting plate, which fastens the switch to the hinged cover. Remove the switch.

MAIN Power Switch

Replacement

Replace the MAIN power switch as follows:

1.Assemble the switch assembly to the yellow mount- ing plate with two flat head screws.

2.Assemble the red rotor, which is keyed, onto the yel- low mounting plate with one flat head screw. See Fig. 15.

3.Turn the rotor to point down to ensure that the switch is in the OFF position.

4.Reconnect the lead wires to the terminals on the switch. Refer to Fig. 18 to make sure that the con- nections are correct.

5.Close and lock the hinged cover on the control assembly.

6.Apply system power at the main circuit breaker.

7.Move the MAIN power switch to the ON position applying power to the control assembly.

8.Verify that the switch operates correctly.

MAIN power switch (back panel)

2292	2331
2292	2131
2132	2132
	2132
2132		2132
		2132
2131	2131	2122
	2121
2291	2291
2292	2081
2291		2082
		2131
	2131	2131
		2261

GND2

8039B

310554V 27