Covidien Nellcor GR101704, Service Manual

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Repair
12-22 Service Manual
4.
Reference Battery Components Replacement , p. 12-24, for battery cradle, Power
Supply PCB, Battery Interconnect PCB, and cooling fan replacement.
12.6.1
Power Entry Module (PEM) Replacement
To remove the power entry module
1.
Disassemble the monitoring system chassis. Reference To disassemble the moni-
toring system chassis , p. 12-18.
2.
Move the front chassis off to the side.
3.
Remove the blue (N), brown (L), and green (GND) power cables connected to the
power entry module, noting their current positions.
4.
Depress tabs on left and right of old power entry module to release from the chassis.

Note:
Technicians may choose to separate the fuse drawer from the power entry module
until completing power entry module replacement.
To replace the power entry module
1.
Properly orient the new power entry module so the single blade is to the top and
the dual blades are to the bottom.
2.
Firmly connect the green (GND) cable to the upper, single blade of the power
entry module.
3.
Firmly connect the blue (N) cable to the left-hand, lower blade and the brown (L)
cable to the right-hand, lower blade of the power entry module.
4.
Slide power entry module into chassis, ensuring no cable pinching occurs, until it
snaps into place.
5.
Reassemble the monitoring system chassis. Reference To reassemble the monitor-
ing system chassis , p. 12-20.
12.6.2
Right Power Cable Assembly Replacement
To remove the right power cable assembly
1.
Disassemble the monitoring system chassis. Reference To disassemble the moni-
toring system chassis , p. 12-18.
2.
Move the front chassis off to the side.