Instruction manual

Instruction Manual
748468-E
August 2003
Rosemount Analytical Inc. A Division of Emerson Process Management Maintenance and Service 4-3
Model MicroCEM SHS
WHERE
USED
COMPONENT
MAINTENANCE
ITEM
DAILY WEEKLY MONTHLY
EVERY
3 MO.
EVERY
6 MO.
EVERY
9 MO.
EVERY
12 MO.
Packing Adjust-
ment
I,T
F
2
Regulating/Needle
Valves/Toggle Valves
Seat and Seals I,R
Flow Regulators Flexible Orifice I,R
RV
1
Check/Relief Valves
O-Ring Seal,
Spring
I,R
Seals I,R
Manual or Remote-
Operated Ball Valves - 2,
3, 4, or 5- Way
Packing Adjust-
ment
I,A
EOV
1
Plug Valves - 2,3,4, or 5-
Way, Manual or Remote-
Operated
Plug Assembly I,R
Packless Valve (Dia-
phragm or Bellows
Sealed), Manual or Re-
mote- Operated
Seat and Seals I,R
Quick Connect Fittings O-Rings I,R
Coils
Valve Internals
(check for cross
leakage)
I,R
SV
1
Solenoid Valves
Valve Seats and
Springs
I,R
Air Operators I,R
EOV
1
Valve Operators
Motorized Op-
erators
I,R
Legend:
A – Tighten as required
B – Blowback/Blowdown
C – Clean
I – Inspect (some disassembly may be required)
R – Replace as required.
T – Test for proper function by stimulating operating/alarm condition
V – Visual check.
Table 4-2. Component Maintenance Schedule - Valves
IB-103-102