4.18
Pilot Gas Filter Maintenance
(Models OP400 and OP500)
WARNING!
Ensure that the dryer is de-energized, valve isolated,
and fully depressurized before attempting to remove
or disassemble any dryer component or subassembly.
Failure to do so may result in serious personal injury
and/or equipment damage.
Note: Flow through filter assembly is from outside of filter
cartridge to the inside (center).
1.
Clean and inspect all hardware upon disassembly.
Replace filter cartridge, software, and any hardware
which appears damaged or abnormally worn.
2.
Apply an ultra-thin film of O-ring lubricant to filter
cartridge’s O-ring and O-ring [2].
3.
Close filter bleed valve [6] following reassembly.
Item
Description
Quantity
1
Head Assembly
1
2
O-Ring
1
3
Filter Cartridge (non-cleanable)
1
4
Filter Bowl
1
5
Band Clamp
1
6
Filter Bleed Valve
1
Figure 4.18