Hospira LifeCare XL Series, Technical & Service Manual

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7.2 REPLACEMENT PROCEDURES
Technical Service Manual 7 - 7 430-00587-008 (Rev. 2/05)
7.2.5
SEPARATING THE FRONT ENCLOSURE ASSEMBLY,
REAR ENCLOSURE ASSEMBLY, AND MAIN CHASSIS
ASSEMBLY
The recommended tool for this procedure is a medium size flat blade screwdriver.
CAUTION: Use proper ESD grounding techniques when handling components.
Wear an antistatic wrist strap and use an ESD-protected workstation. Store the PWA
in an antistatic bag before placing it on any surface.
To separate the front enclosure assembly, rear enclosure assembly, and main chassis
assembly, refer to
Figure 7-2, Front Enclosure, Main Chassis Assembly, and Rear Enclosure ,
then proceed as follows:
1. Turn the control knob to OFF/CHARGE.
2. Disconnect the infusion system from AC (mains) power.
3. Remove the battery door and battery as described in Section 7.2.4 .
4. Using the medium size flat blade screwdriver, remove the two remaining hex head
screws located on the enclosure bottom. Remove the two hex head screws from the
carrying handle.

Note: Do not remove the ground test-point screw.
5. Separate the front and rear enclosures by carefully pulling the carrying handles
apart.
6. Disconnect the MCU/Display PWA cable from J3 on the MCU PWA (see Figure 7-2) .
7. (XLM only) Slowly back off the rear enclosure assembly two to three inches and
disconnect the MCU/Buzzer cable from J10 on the MCU PWA.
8. (For devices equipped with DataPort only) Disconnect the DataPort/MCU cable from
J11 on the MCU PWA.
9. Separate the main chassis assembly from the rear enclosure assembly, being
careful not to remove the power supply PWA from the rear enclosure.