Quote:
Originally Posted by RussMcB
The oil cooler stays in place (but you will need to disconnect the lines - just one bolt). With the radiator out you can blow out the oil cooler's and A/C fins.
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I checked my Ron Davis Radiator with Debree Screen installed (1/4 inch mesh) and found trash on the front of the Ron Davis Radiator that had gotten through the screen.
Following a Silage Truck with lots of small trash on the pavement did not help 
What one needs for a perfect Debree Screen is a mesh size equal to or a bit smaller than the radiator pass through openings. But if one had a Debree Screen with that mesh size you are actually decreasing the air flow since the front Duct for Air Flow is actually smaller than the Front Face of the Radiator.
So......We are left with
inspecting and cleaning the Radiators of trash from time to time and leave the Debree Screen to stop plastic bags, leaves, Dragon Flys
You can clean the Radiator without removing as I found out. With a pressure washer I first pressure washed from the oil cooler adapter side the gap between the radiator and Oil Cooler.
Then carefully pressure washing directly (perpendicular to the surface) from the fan side of the radiator (each fan opening). Then again pressure washing from the oil cooler adapter side the gap between the radiator and Oil Cooler.
But....be carefull with the pressure washer holding too close to the surface of the radiator or at an angle that may cause damage to the aluminum fins. On My Ron Davis absolutely no damage was done using a pressure washer as described herein.
Quote:
Originally Posted by GOLDCYLON
The lower screws for the rad shroud are a PITA but the rest of the job is pretty straight forward. GC
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You can reach in with a long open end and taking your time
.........remove the three (I think 7mm) screws on each side holding the lower part of the Radiator cowling in place. I replace ONLY the lower single 7mm screw when replacing the cowling. I will check if it is 6mm screw