TM 55-1930-209-14&P-21Table 4-1. Organizational Maintenance Troubleshooting -ContinuedMALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION15. Clutches or Brakes OverheatStep 1. Check for slippage.Adjust brakes (Para 3-11).Adjust clutches (Para 3-12).Step 2. Other causes.Notify higher maintenance.16. Winch Not Pulling Normal LoadStep 1. Check torque converter for proper clutch engagement.Adjust clutch as required.Step 2. Check torque converter fluid level.Clean and replace fuel filter and aspirator valve.Step 3. Other causes.Refer to higher maintenance.Section V. Maintenance Of The Diesel Engine4-7. General. The double drum winch is driven by a four cylinder, in-line diesel engine through a clutch, torqueconverter and a multiple strand drive chain. This section covers engine maintenance authorized at organizational levelof maintenance.4-8. Thermostata.Removal(1)Remove the thermostat, illustrated in figure 4-4, as follows:(2)Open drain cock at bottom of water pump and drain engine coolant to necessary level.(3)Remove bolts that secure outlet elbow and thermostat housing to water manifold.(4)Remove thermostat from thermostat housing.(5)Clean all gasket material from mating surfaces.b.Test(1)Immerse thermostat in a container of hot water.4-11
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