Main Power Switch Removal; Main Power Switch Replacement - Graco PRECISIONSWIRL 310554V Instructions-Parts List Manual

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 F
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 F
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
plate
Red rotor Red rotor
MAIN
power
switch
F . 14
IG
310554V
6. Remove two flat head screws from the yellow
MAIN Power Switch
Replacement
Replace the MAIN power switch as follows:
1. Assemble the switch assembly to the yellow mount-
2. Assemble the red rotor, which is keyed, onto the yel-
3. Turn the rotor to point down to ensure that the
4. Reconnect the lead wires to the terminals on the
. 14.
IG
5. Close and lock the hinged cover on the control
. 21 and F . 22
IG IG
6. Apply system power at the main circuit breaker.
7. Move the MAIN power switch to the ON position
8. Verify that the switch operates correctly.
mounting plate, which fastens the switch to the
hinged cover. Remove the switch.
ing plate with two flat head screws.
low mounting plate with one flat head screw. See
Fig. 15.
switch is in the OFF position.
switch. Refer to Fig. 18 to make sure that the con-
nections are correct.
assembly.
applying power to the control assembly.
MAIN power switch (back panel)
2331
2292
2292
2132
2132
2132
2132
2131 2131
2121
2291
2291
2292
2081
2291
2131
Control Assembly Service
2131
2132
2132
2122
2082
2131
2131
2261
8039B
27