TM 5-3805-262-342-9. FRONT AXLE TROUBLESHOOTING (CONT)MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTION1. EXCESSIVE VIBRATION (Cont).Step 6. Check pinion for pitting,cracked or broken teeth.a. If pinion is not okay,scoring, distortion, deformation, orreplace (page 4-218).b. If pinion is okay, disassemble differential case and gear assem-bly (page 4-234) and check ring gear and gears for broken teeth(page 4-237). Replace defective parts.2. CONTINUOUS AXLE NOISE.Step 1.Raise front axle left or right planetary wheel end off ground andsupport with jack stands.Remove tire and wheel (refer to TM 5-3805-262-20).Remove planetary gear spider, axle shaft, thrust washer, and lockplate (page 3-366).Wrap a piece of cord sev-eral times around wheela.b.hub .Connect indicating dialscale to free end of cord.Pull indicating dial scalehorizontally and smoothlyaway from wheel hub.When indicating dial scaleindication remains con-stant, note and recordindication.Indication recorded aboveshould be 8 to 15 pounds.If recorded indication exceeds 15 pounds, loosen wheel bearingnut using a 4-3/8 inches wheel bearing nut tool. If recordedindication is less than 8 pounds, tighten wheel bearing nut.Wrap a piece of cord several times around wheel hub as above andrepeat check.If recorded indication is 8 to 15 pounds, go to step 2 below.2-99
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