Electronics Housing Disassembly - Emerson Rosemount OCX8800 Instruction Manual

Instruction Manual
IM-106-880C, OI
9.5.1

Electronics Housing Disassembly

Remove Cover
1.
2.
3.
Remove Flash PROM
Electrostatic discharge (ESD) protection is required to avoid damage to the electronic
circuits.
1.
2.
Remove LOI Module and Board
1.
2.
3.
Electronics Housing
Disassembly
See Figure 9-24. Loosen screw (1) and slide locking clip (2) away from cover
(3). Retighten screw (1).
With two hands or strap wrench, turn cover (3) counterclockwise to loosen. Unthread
and remove cover.
Inspect cover gasket (4) for wear or damage. Replace cover gasket if damaged.
Locate Flash PROM access port in electronics stack (5,
Use suitable IC removal tool to remove Flash PROM (6).
Remove three screws (7, Figure
Carefully lift LOI module (8) from LOI board (9). Note the location of LOI connector (10).
Remove two screws (11) and lockwashers (12). Remove LOI board (9).
Figure
9-24).
Repair Electronics
Housing
April 2017
9-24).
21
5