Section II. MOVEMENT TO A NEW WORKSITE
4-3. Dismantling for Movement . Because the power unit is designed to be mobile, a minimum amount of
effort is required to relocate to a new worksite. Procedures are as follows
Disconnect power unit from ICC and CRG.
Disconnect auxiliary power cable and paralleling cable connecting primary and standby power units.
On standby unit, remove protector cap from P3 connector on P3 power/control cable and connect
cable to J3 on adapter plate assembly.
Disconnect ground wire from source of ground. Roll up ground wire and store on trailer next to the
PDU using straps provided.
Using slide hammer, remove ground rod. Disassemble and clean ground rod and stow in storage
tray. Return slide hammer to its storage position on front of trailer and secure with lock pin.
Install protector caps on cable connectors and store connectors in storage tray.
Stow any remaining authorized equipment in storage tray.
Close all doors on generator set enclosure.
Close and secure trailer tailgate.
Attach power unit to towing vehicle. Refer to TM 9-2330-247-14&P.
Release trailer handbrakes.
4-4. Reinstallation After Movement . After movement to a new worksite, install power unit in accordance with
Section III. REPAIR PARTS; SPECIAL TOOLS; TEST, MEASUREMENT AND
DIAGNOSTIC EQUIPMENT (TMDE); AND SUPPORT EQUIPMENT
4-5. Tools and Equipment . A power source jumper cable is required to maintain the PU-789/M power unit.
Refer to paragraph 4-26 for fabrication instructions, and to figure D-23 for parts information.
4-6. Maintenance Repair Parts. Repair parts and equipment for maintenance of this power unit are listed
and illustrated in the repair parts and special tools list in Appendix D of this manual.
4-6 Change 1