Service and repair
Puritan Bennett™ 700 Series Ventilator System Service Manual
10070389 Rev. A
8-71
1.
Before installing a new power supply, verify that it has the correct voltage rating. Refer
to Section 9.19 for the correct power supply part number.
NOTE:
If you are replacing an SSI power supply (older type) with a PULS power supply (newer
type) you must make any subsequent power supply replacements with the PULS power
supply only (p/n G-061131-00).
2.
Remove power assembly (Section 8.14.2).
3.
Disconnect power switch/BBU PCB harness from BBU PCB (Figure 8-57) and power switch
(Figure 8-55).
4.
Disconnect power supply/BBU PCB harness from BBU PCB (Figure 8-57).
5.
Remove three screws, and disconnect power switch harness from lefthand terminal block
on power supply (power supply input) (Figure 8-55).
6.
Using 3-mm hex driver, remove three M4 x 12 screws and split-ring washers that attach
power supply to power assembly back panel.
7.
From bottom of power assembly, remove four M4 x 6 flat-head, POZIDRIV™* screws.
8.
Lift out power supply.
Figure 8-59. Power assembly removed
7-00216
M4 x 12 screw (3 PL)
M4 split-ring washer (3 PL)
Power supply
input terminal
block
Fan with
bracket
Power
supply
output
terminal
block
Summary of Contents for Puritan Bennett 700 Series
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