Table 4-1. Troubleshooting - continuedPROBLEMPOSSIBLE CAUSEREMEDYFeed rate too low -3. Sight glass feltReplace sight glass felt gasket.Continuedgasket clogged.4. Discharge check valvesTurn feed regulator full open and oper-seating improperly.erate hand crank rapidly to flush checkvalve.Sight well over-Discharge check valveReplace check valve.flowing.stuck shut or defective.Cage glass leaks1. Plug loose.Remove plug cap and tighten plug.2. Damaged or defec-Replace top and bottom rubber wash-tive top and bottomers.rubber washers.DRAWWORKS - AUXILIARY DRUMClutch will not1. Insufficient air pres-Inspect entire air line installation forengagesure.any restrictions or leaks which coulddecrease the air supply to the clutch.Check operating valve for full opening.If operating in cold weather, the airlines may be restricted due to freezingof the moisture in the air system. Theaddition of Denatured alcohol or Ethy-lene Glycol in the air receiver willeliminate this problem. Avoid the useof all rust inhibitors or commercialantifreeze.2. Ruptured tube.Replace tube.3. Malfunctioning quickRebuild or replace quick release valves.release valves.4. Drive rings worn out.Replace drive rings.Clutch slips1. Insufficient air pres-Inspect entire air line installation forsure.any restrictions or leaks which coulddecrease the air supply to the clutch.Check operating valve for full opening.Carefully inspect clutch for possibleair leakage at the quick release valvesor the tube.4-10
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