TM 10-3510-220-103-7.MAINTENANCE PROCEDURES. (CONT)(2) Service fuel filter (4) by turning handle (3) a few times to clean thepermanent element.Remove drain plug (5) and allow moisture and sediment to drainfrom bowl. Install drain plug(5).d.Water Heater Air Shutter Assembly Maintenance. These instructions tellhow to inspect and adjust the air shutter assembly on the water heater.(1) Inspect air shutter forbidding of moving parts and for damage.(2) Adjust air shutter (1) by grasping slider band(2) and rotating band up ordown to increase or decrease air opening.Adjust air opening during operation to obtaina light-colored exhaust and rumble-free operation.3-15
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business