1. SWRI C13 Filter base mods for aux cooling system Stand Photo J McCord April 1, 2005

2. Filter Base Pictorial View (251-6668) Oil cooler bypass valve Cooler inlet port Cooler outlet port Cup plug Oil Filter in pressure (includes engine oil cooler) J McCord April 1, 2005

3. Proposed Filter Base Mods Bead weld a Slip fit aluminum coupling (drill & tap for 1” straight thread) Install an aluminum disc (weld in place) No. 16 straight thread JIC fitting Tap and install a ½” pipe plug. (use silicon to seal plug) From filter J McCord April 1, 2005

4. Detail of cup plug feature at back end of base Fabricate a 1” straight thread aluminum coupling that will slip into the port. Bead weld the coupling in place. J McCord April 1, 2005

5. C13 Warm-up Data Steps 1 thru 5 J McCord April 1, 2005

6. C13 Warm-up Data Steps 1 thru 5 J McCord April 1, 2005

7. C13 Warm-up Data Steps 1 thru 5 J McCord April 1, 2005

8. C13 Component Pressure Drop Steps 1 thru 5 J McCord April 1, 2005

9. C13 Oil Control System Range Test Condition J McCord April 1, 2005

10. Results Oil gallery pressure appeared stable at 390 kPa. Oil Control System volume: 1300 ml (1080 grams at test temp) Control range @ test conditions: 93.2 C to 101.3 C –Process water temp ~70 F –Ambient temp ~70 F Pressure Drop –Engine Cooler: 113 kPa –Auxiliary Cooler: 57 kPa –Oil Filter: 70 kPa –System: 240 kPa J McCord April 1, 2005

11. Parts List In Progress Heat Exchanger: ITT Standard SSCF PN# SN5160030014004 No. 16 Steel braided hose (36 inches max.) 2 - No. 16 straight thread hose fittings 2 – No. 16 NPT thread hose fittings J McCord April 1, 2005