( 2 ) P r o c e d u r e . I f t h e c h a i n c o v e r i s t o b e
removed, drain the oil from the chain case (TM
9-2350-256-20). Disassemble the APU as shown in
figure 4-5. Refer to paragraph 3-48 for repair of the
wiring harnesses. If the general condition of the in-
dividual cables, insulation and terminal connectors
of a harness is such that repair becomes practically
and economically inadvisable, replace the harness.
Figure 4-5. Auxiliary power unit-disassembly and assembly (Sheet 1 of 6).