Emerson ROSEMOUNT OCX 8800 - Manual (Page 90)

Instruction Manual
IM-106-880, Rev 1.0
January 2007
OCX 8800
6-28
REPAIR ELECTRONICS
HOUSING Use the following procedures to remove damaged components from the OCX
8800 electronics housing and to install new replacement parts. Disassemble
the unit only as needed to replace damaged components. Use the assembly
procedures that apply to install replacement parts and reassemble the unit.
Electronics Housing
Disassembly Remove Cover
1. See Figure 6-22. Loosen screw (1) and slide locking clip (2) away from
cover (3). Retighten screw (1).
2. With two hands or strap wrench, turn cover (3) counterclockwise to
loosen. Unthread and remove cover.
3. Inspect cover gasket (4) for wear or damage. Replace cover gasket if
damaged.
Remove Flash PROM
1. Locate Flash PROM access port in electronics stack (5, Figure 6-22).
2. Use suitable IC removal tool to remove Flash PROM (6).
Electrostatic discharge (ESD) protection is required to avoid damage to the electronic
circuits.