fann MACS II, User Manual, Page: 92 / 165

MACS II User Manual
101796668 Revision E 83
8.1. Preventive Maintenance
Preventive maintenance can be grouped into the following categories:

Pneumatic

Hydraulic

Mechanical
8.1.1. Pneumatic Maintenance
Every 30 days, inspect the inline air filter for water. If water is present, adjust the air
pressure down and up gradually to engage the designed purge feature.
8.1.2. Hydraulic Maintenance
8.1.2.1. Inline Filter
The inline (30 microns) filter should be cleaned every thirty (30) days of operations.
If the inline filter is damaged or deformed, replace it. Fann recommends keeping a
spare filter for this purpose.
8.1.2.1.1
Filter Disassembly
8.1.2.1.1.1 Turn bowl off in counter-clockwise direction. Never use any tool other
than a strap wrench to remove the bowl.
8.1.2.1.1.2 Pull element off post.
8.1.2.1.1.3 Remove seal from element.
8.1.2.1.1.4 Remove seals (o-ring & backup) from bowl.
8.1.2.1.2
Filter Element Cleaning
8.1.2.1.2.1 Remove external dirt in a separate container with cleaning fluid, and
light brush.
8.1.2.1.2.2 Submerge the filter for thirty minutes in an approved cleaning fluid.
8.1.2.1.2.3 Following the soak, purge element from inside to outside with clean
compressed air or similar clean gas. DO NOT EXCEED 120 PSI.
8.1.2.1.2.4 Remove any remaining cleaning solution by dipping the element in
isopropyl alcohol or drying appropriately.