OMRG25204 oem uncert & tier 1.pdf - John Deere Industrial Engines

Lubrication & Maint./2000 Hour/24 MonthTo Install ThermostatsIMPORTANT: Install manifold gasket so that smaller(round) holes are at lower left andupper right corners of manifold(matching studs A).1. Clean all gasket material from thermostat cover andhousing mounting surfaces.2. Using guide studs (A) to keep gasket in place, install anew gasket on cylinder head.3. Install thermostat(s) with jiggle wire facing up in the 12o’clock position.Installing Thermostat CoverRG7614A –UN–06NOV974. Using a screwdriver to hold thermostat(s) in place,install thermostat(s) and water manifold/thermostatcover.5. Tighten cover cap screws to 70 N•m (52 lb-ft).6. Lubricate new O-ring with PT507 Multi-PurposeGrease. Install seal (B) in thermostat cover.A—Guide StudsB—SealThermostat Cover SealRG7921B –UN–13NOV97DPSG,RG34710,112–19–07JAN02–4/57. Install coolant manifold/thermostat cover-to-coolantpump tube (C). Tighten clamps.8. If not already done, fill cooling system and check forleaks.IMPORTANT: Air must be expelled from coolingsystem when filling. Loosentemperature sending unit fitting at rearof cylinder head or plug in thermostathousing to allow air to escape whenfilling system. Tighten fitting or plugwhen all air has been expelled.Cover-To-Coolant Pump TubeRG8115B –UN–15JAN98C—Cover-To-Coolant Pump TubeDPSG,RG34710,112–19–07JAN02–5/540-9 110306PN=102