Haemonetics ACP 215, Руководство по обслуживанию

Страница: 145 / 186

Disassembly 145
Haemonetics
®
ACP-215
®
Service Manual P/N: SM-ACP215-01-EN(AB)
Top Cover Assembly
Top Cover
1. Remove the front and rear panels.
2. Disconnect the control distribution cable from the backplane PCB.
3. Remove the (2) lower Phillips head screws securing the membrane
panel ribbon cable to the upper deck.
4. Remove the (2) #10 hex shoulder screws securing the top cover
assembly to the top deck while supporting the top cover assembly.
Membrane
Panel Assembly
1. Remove the (2) Phillips head screws securing the fiberglass decorative
panel to the top cover assembly.
2. Remove the (3) Phillips head screws securing the membrane panel to
the top cover assembly.
3. Pull the base of the membrane panel simultaneously down and away
from the top cover assembly to disengage the top panel catches from the
catch plate.
4. Carefully pull the top of the membrane panel down to expose the inner
wiring of the membrane panel.
5. Disconnect the ribbon cable from the card cage assembly by following
the top cover assembly disassembly instructions, or proceed to the next
step in this procedure.
6. Remove the (2) 1/4” nuts securing the ground from the ribbon cable to
the top cover mounting plate.
7. Remove the (2) 1/4” nuts securing the ribbon cable strain relief.
8. Disconnect the ribbon cable from the display distribution PCB.
Display
Distribution
PCB
1. Remove the membrane panel assembly from the top cover assembly.
2. Disconnect the connectors from the display distribution PCB.
3. Place the membrane panel on a flat level surface and remove the (4)
Phillips head screws securing the display distribution PCB to the top
cover mounting plate. Note that there may be (4) nylon washers located
under the display distribution PCB that may otherwise go unnoticed. The
flat level surface will help to keep the washers localized.
4. Carefully pry the display distribution PCB up to disconnect it from the
membrane panel at the connector.
Note: If the display distribution PCB was elevated by nylon washers, be sure to
replace them before installing the display distribution PCB.