Liquid Controls Optical Air Eliminator US Patent 7000628 Refined Fuels Applications A8981 & A8981A - Manual (Page 11)

11
Disassembling
The optical air eliminator consists of a housing, optical
sensor, and control solenoid valve. Of these three com-
ponents, only the solenoid valve is serviceable; however,
if any part of the solenoid is damaged, a new solenoid
assembly (Part Number 502011) must be ordered. The
optical sensor contains no serviceable parts because the
internal components are potted. If the optical sensor fails,
the complete assembly must be replaced (Part Number
81947).
Maintenance
! WARNING
Before disassembly of any meter or accessory component, ALL INTERNAL PRESSURES MUST BE RELIEVED
AND ALL LIQUID DRAINED FROM THE SYSTEM IN ACCORDANCE WITH ALL APPLICABLE PROCEDURES.
Pressure must be 0 (zero) psi. Close all liquid and vapor lines between the meter and liquid source.
Failure to follow this warning could result in property damage, personal injury, or death from fire and/or explosion, or
other hazards that may be associated with this type of equipment.
Tools required:
• Flat blade screwdriver
• 14mm box end or open end wrench
Step 1
Loosen the thin hex nut holding the solenoid in place using a
14mm wrench. Remove the nut and coil off of the armature
guide post.
Step 2
Remove the plastic bonnet from the armature guide post.
This should be easy to remove without tools.
Step 3
Using a screwdriver, loosen the upper left and lower right
screws of the valve body. These are the only two screws
which hold the valve body in place. The upper right and
lower left screws fasten the armature guide post and valve
body together. Remove the valve body from the optical air
eliminator housing.