TM 9-4940-568-34
2-31
Table 2-7. Crane Troubleshooting (CONT).
(9) Disconnect four connectors from
central microprocessor.
(10) Install cover on central processor
unit with four screws.
(11) Install safety lock seal on two screws.
(12) Install cover on OSS box with four
screws and preformed packings.
(13) Apply bead of sealant to edge of
cover where it is against OSS box.
VERIFY REPAIR (CONT).
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry or tools contact
positive electrical circuits a direct short
may result. Damage to equipment, injury or
death to personnel may result.
Do not stand under crane. Mechanical failure
and operator error can cause injury or death
to personnel.
Adhesives, solvents, and sealing compounds
can burn easily, can give off harmful vapors,
and are harmful to skin and clothing. To avoid
injury or death, keep away from open fire and
use in well-ventilated area. If adhesives, solvent,
or sealing compound gets on skin or clothing,
wash immediately with soap and water.
Hooked test unit connector must not contact
other transistor wire or damage to
OSS and test unit will result.
If OSS box cover is installed, do not perform
Steps (9) through (13) below.
NOTE
CENTRAL
PROCESSOR
BOARD
