TM 5-3805-262-204-4. COOLING SYSTEM MAINTENANCE (CONT)e. T h e r m o s t a t s .T h i s t a s k c o v e r s r e m o v a l , c l e a n i n g , i n s p e c t i o n , i n s t a l l a t i o n,and testing of thermostats.TOOLS: No. 1 Common Organizational Maintenance Tool KitTorque wrench, 1/2 inch driveAutomotive Mechanic’s Tool KitSocket wrench set, 1/2 inch drivePutty knifeContainer, 1 quart capacityThermometerMATERIALS/PARTS: Clean cloths (Appendix C, item 1)Cleaning solvent P-D-680 (Appendix C, item 2)Gasket (FSCM 10988 PN A58639)NOTEPRELIMINARY PROCEDURE: Upper radiator hose disconnected from thermostathousing (page 4-74).REMOVAL(1)(2)(3)(4)At fan end of engine, rightside, remove three capscrews(1) and lock washers (2).Remove thermostat housing (3).Remove two thermostats (4) fromwater manifold as shown.Remove and discard gasket (5).4-87
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