AIRLESSCO EZ Rent 570, Руководство по эксплуатации и обслуживанию

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26 27
REPLACEMENT OF ELECTRICAL COMPONENTS
WARNING: ALWAYS UNPLUG THE ELECTRICAL CORD BEFORE SERVICING MACHINE!
NOTE: ANYTIME THE PRESSURE CONTROL ASSEMBLY, SENSOR, OR BOTH ARE REPLACED,
PERFORM THE CALIBRATIONS.
PRESSURE CONTROL ASSEMBLY
(ELECTRICAL CONTROL BOARD)
SENSOR
POTENTIOMETER
ON-OFF TOGGLE SWITCH
FUSE HOLDER
1. Unplug machine's power cord.
2. Remove four screws heatsink housing.
3. Disconnect all leads from pressure control assembly.
4. Reassemble in reverse order.
1. Remove the four screws, heatsink, and lower the
pressure control assembly.
2. Disconnect sensor lead from the board.
3. Unscrew sensor by holding sensor with 11/16” wrench.
4. Reassemble in reverse order.
1. Lower pressure control assembly as described above.
2. Disconnect potentiometer lead from pressure control
assembly.
3. Use a 1/16" allen wrench, loosen set screw in the
potentiometer knob and remove knob and spacer.
5. Using a 1/2" wrench or deep socket, remove the nut from
the potentiometer shaft assembly.
5. Pull entire potentiometer assembly out of terminal box.
6. Replace in reverse order.
1. Lower the pressure control assembly as described
above.
2. Disconnect the two wires on the toggle switch
3. Use a 9/16" wrench to loosen the nut on the toggle
switch shaft.
4. Reassemble in reverse order.
1. Lower pressure control assembly as described above.
2. Disconnect the two wires on the holder.
3. Remove holder cover and fuse.
4. Use 11/16" wrench to remove the nut from the holder
shaft.
5. Reassemble in reverse order.
LIQUID CRYSTAL DISPLAY (LCD)
FIGURE 27
1. Lower pressure control assembly as described above.
2. Unscrew the four nuts (6/32") and remove LCD Display
assembly.
3. If unable to loosen the four nuts, hold them and unscrew
the four screws. Then remove the LCD Display
Assembly. If the display is removed in this
manner, the mylar label must be replaced.
4. Reassemble in reverse order, while making sure
that the four spacers and the four
washers are in place.
Tighten the four nuts handtight and seal with blue loctite.
DO NOT overtighten the nuts as this will damage the
display.
5
6
7 1 2
3
4
PARTS LIST FIGURE 27
Item No. Part No. Description
1 100-362 Screw (4)
2 101-482 Mylar Label - Clear
3 331-360 Window
4 117-281 Spacer (4)
5 117-126 Nut (4)
6 331-377
331-304-99
LCD Display (PSI)
LCD Display Kit (PSI)
7 120-046 Washer (4)