ASSEMBLY AND PREPARATION FOR USE. (cont)

ARMY

TM 9-6650-235-13&P

MARINE CORPS

TM-08552A-13&P

2-6. ASSEMBLY AND PREPARATION FOR USE

(CONT).

g. For bore diameters, (105-mm thru 8 inch), first

install the shaft collar (14) and then the large reflector

assembly (15) on the illuminating head assembly (3).

h. Install the blind illuminating head assembly (16)

in the same manner as step f.

i. Install the adapter tube assembly (17) on the

opposite end of the tube assemblies from the illuminating

head assembly by alining the keyway and key (18) and

sliding together.

CAUTION

Do not operate M3 Borescope

utilizing vehicle power when the

engine is running.

j. On early configurations, install as required, either

the 115-V electrical power cable assembly (19) or the 24-

V electrical power cord adapter assembly with 115-V

electrical power cable assembly (19) attached on the

adapter tube assembly (17) by inserting and tightening

the plug connector (20). Connect the black 115-V

electrical power cable assembly (19) to the adapter tube

assembly (17) and to the 115-V power source and turn

on electric light control (21) to test lamp (22).

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