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Monitor MFH-5398 Instructions Manual

Block only fresh water cooling kit
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MFH-5398
Block Only Fresh Water Cooling
Kit Instructions

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Summary of Contents for Monitor MFH-5398

  • Page 1 MFH-5398 Block Only Fresh Water Cooling Kit Instructions...
  • Page 2 If you determine this is the wrong kit for your type of engine: o Call the distributor you purchased the kit from for their return policy. o If you purchased the kit from Monitor Products Inc., call 1-800-334-4591 for a return authorization. No returns will be accepted without this authorization.
  • Page 3 Items included in kit: Item Qty. Part Number Description Item Qty. Part Number Description M5398-9700 Heat Exchanger 4500-3004 Grounded T’stat Hous. Gasket 5001-1327 Expansion Tank 5000-3012 Thermostat 5000-1763 Cap, Expansion Tank 5200-1143 Hose Clamp #24 5000-1343 1/8” NPT x 5/16” Hose Adapter 5200-1144 Hose Clamp #16 5102-2125 5/16”...
  • Page 4 Installation Steps 1. Drain water from block by removing Fig. 1 plugs from both lower sides of engine. 2. Remove hoses from the existing thermostat housing. Save all hose clamps. See Fig. 1. 3. Disconnect wires from temperature sender(s) remove sender(s) from thermostat housing.
  • Page 5 Fig. 3 10. Install upper bracket (Item #26), with the 3/8-16 flat head screws (Item #14) and 3/8-16 nylon locking nuts (Item #13), using appropriate number of spacers (Item #12) needed your application. Be sure that when heat exchanger is installed it will not interfere with any belts, fuel lines, or hatches and covers.
  • Page 6 15. Connect tee assembly (Item Fig. 5 #16) to heat exchanger at top rear left side heat exchanger with 1” ID hose (Item #38) using clamps (Item #23). Place assembly on top of heat exchanger bracket between 1 1/2” fitting and heat exchanger.
  • Page 7 24. Double check total installation and make sure all fasteners, fittings, and hose clamps are tightened properly. See Filling and Start-Up Instructions in Fresh Water Cooling General Maintenance Manual. We strongly recommend that you install an audible “buzzer” type alarm. These overheat alarms are usually combined with low oil pressure alarm and are very reasonable in price.

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