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C O M P O N E N T T E S T I N G , R E PA I R , A N D R E P L A C E M E N T
COMPONENT TESTING, REPAIR, AND
REPLACEMENT
At this time, DeVilbiss recommends limited replacement of
components and no testing or field repair of components for the
306 iGo unit. When testing, repair and replacement restrictions are
removed, an updated service manual will be published.
Proper Repair and Replacement
Procedures
When servicing any DeVilbiss oxygen concentrator, be absolutely
certain that the correct tools are used and that the parts are free of
oil and grease or any material not compatible with oxygen. Teflon ®
tape is recommended and must be applied to the male threads,
omitting the first thread to eliminate the possibility of tape particles
entering the oxygen system.
A service kit (part #444-501) containing the necessary gauges,
tools, and testing instruments to properly service all DeVilbiss
oxygen concentrators is available. In addition, service personnel
need an oxygen analyzer (part #R217P62 & R218P12) to
periodically check oxygen concentration levels and a voltmeter to
obtain more accurate voltage readings.
The following parts are included in the service kit:
1
Slotted bit
1
#1 Phillips bit
1
#2 Phillips kit
1
7/16" Socket 1/4" Drive
1
Crescent wrench
1
8" Duckbill pliers
1
T-10 Bit
1
AC/DC test meter
1
1/4" Ratchet wrench
1
3mm Hex bit
1
T-15 Torx "L" wrench
1
10mm Socket 1/4" Drive
1
1/4" Drive extension
1
Plastic storage case
1
Plastic error indicator tool
1
5/32" Allen bit
1
5/64" Allen bit
1
9/64" Allen bit
1
7/64" Allen bit
1
Torx screwdriver w/bits
1
Tool box
2* Test Fittings (part #303DZ-637)
2* Pressure/Vacuum gauge (part #PVO2D-601)
• Parts that are also sold separately.
WARNING
Electric shock hazard . Disconnect the power cord from the
wall outlet and remove the battery from the unit before
attempting repairs on the iGo . Extra care should be taken if it
is necessary to operate the unit with the cover removed. There
are no serviceable parts in the adapters; do not open.
CAUTION–Do not apply leak test solution to any of the electronic
components, including the OSD, PC board and motor control
board.
LT-2044
NOTE–After replacing a component, run the unit for 20 minutes
and then check the oxygen concentration and test for leaks.
NOTE–Test for leaks using a certified leak detection solution such
as SWAGELOK MS-Snoop® or equivalent. Do NOT use a solution
that contains ethylene glycol. Apply leak test solution to all fittings
and hose connections with the unit running. If an air leak is present,
the solution will bubble. All leaks should be repaired before putting
the concentrator back in service.
Read all of the steps involved before beginning any of the
procedures in this manual .
Note the correct position of parts before removing them from
the unit .
Keypad/Light Panel
1. Remove back case and push front case forward, noting the
orientation of the ribbon cable's connection to the PC board,
including position of its black traces. Note the position of the
intake and final bacteria filters and orientation of tubing.
Remove cable from PCB (figure 1).
1
2. Loosen key pad/light panel with a narrow-bladed flat-head
screw driver and use pliers to pull pad/panel and cable off the
case (figure 2).
2
3. Remove backing from the new key pad/light panel (figure 3).
NOTE–DO NOT BEND OR FLEX new key pad/light panel at
any time. It may break imbedded wiring!
3
4. Slide the cable through the slot in the front case and align the
12
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