TM9-4110-254-14
4-32. TERMINAL BOARD TB1 REPLACEMENT.
This task covers.
a. Removal
b. Installation
INITIAL SETUP
Materials/Parts.
Equipment Conditions
Lock Washers (4)
disconnected
Self Locking Nuts (2)
Control box cover door raised and latched
Right side door open
Marker tags (4)
General Safety Instructions
WARNING
High voltage and exposed rotating parts are
used m the refrigeration unit Personal injury
can result if power is connected
a. Removal
(1)
Be sure power has been disconnected at the source and remove two bolts (1) and lock washers (2) Open
control panel (3) Discard lock washers
(2)
Remove two bolts (4) and lock washers (5) Discard lock washers.
(3)
Carefully pull circuit breaker cover (6) out as far as possible.
(4)
Tag wire leads (7) Remove four screws (8) and disconnect wire leads.
(5)
Remove two self locking nuts (9), screws (10), wire leads (7), and terminal board (11).
b. Installation
(1)
Install terminal board (11), two screws (10), wire leads (7) using tags and wiring diagram (fig 1-4), and
new self locking nuts (9)
(2)
Using tags and wiring diagram (fig. 1-4), connect wire leads (7) and secure with four screws (8) Remove
tags
(3)
Carefully push circuit breaker cover (6) into place and install two new lock washers (5) and bolts (4)
(4)
Close control panel (3) Install two new lock washers (2) and bolts (1)
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