Always ensure that the cooler receives a minimum of 3.5 US gpm water flow for adequate cooling. If running a parallel circuit from the coolant ports on your engine, consult the manufacturer for locations and possible warranty concerns.

Specific engine connection details by manufacturer and model can be found in your engine owners manual.

Once all fittings are secure, attach the cooler to a bulkhead using saddle clamps or copper straps. Be sure not to deform the heat exchanger bundle.

It is best to run a parallel circuit on the feed side of the engine to cool the hydraulic oil most efficiently.

If running the cooler in series ensure that the cooler does not restrict your flow too much. The HP5825 will create a 3.5 psi pressure drop @ 35 gpm and the HP5826 will create 3.5 psi pressure drop @ 100 gpm.