TM9-4110-254-14
4-19.
CONTROL BOX ASSEMBLY REPLACEMENT.
This task covers a. Removal b Installation
INITIAL SETUP
Materials/Parts:
Equipment Conditions:
Lock Washers (7)
disconnected.
Self Locking Nut
Control box cover door raised and latched.
Tiedown strap(s) (as required)
General Safety Instructions:
Silicone RTV
WARNING
High voltage is 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.
(4)
Remove two bolts (7), lock washers (8), flat washers (9), and sensing bulb bracket (10). Discard lock washers.
(5)
Remove self locking nut (11), lock washer (12), and bolt (13) Discard self locking nut.
(6)
Remove clamp (14) but not clamp (15).
(7)
Remove tiedown straps (16) and grommets (17) as necessary to remove sensing bulb (18). Carefully pull
sensing bulb through access sleeve (19) m heat shield frame.
(8)
Remove any silicone RTV remaining in grommets (17).
(9)
Tag and disconnect wire leads from components as necessary then pull leads from control box assembly.
(10) Remove six screws (20) and control box assembly (21).
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