Cummins/Onan — Change DCA Water Filter
Maintenance · Cooling system water filter
From a Cummins/Onan owner's manual covering: KT38, KTA19, Kt19, KtA38, KtA50, N-855, NH-672, NH-743, NH-855, NT-855, NTA-855, NTC-270…. Check it applies to your exact model before use.
Applies to: Cummins/Onan Kt19, Cummins/Onan KTA38, Cummins/Onan KTA50
Before you start
- Mechanical tightening will distort or crack the filter head.
Procedure
- Close the shut-off valves on the inlet and drain lines.
- Unscrew the element and discard.
- Apply a light even coat of lubricating oil to the gasket sealing surface prior to installing the filter.
- Install a new element and tighten until the seal touches the filter head, then an additional one-half to three-fourths turn.
- Open the shut-off valves.
Specs & values
- Change the filter or element at each 'B' Check
Full service-parts list: Cummins/Onan Kt19 →, Cummins/Onan KTA38 →, Cummins/Onan KTA50 →
Source: Cummins/Onan owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.