TM 9-2350-256-10Table 3-1. Troubleshooting Procedures-Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONTRACKS AND SUSPENSION47.VEHICLE LEANS TO ONE SIDE.Step 1.Pry wheels with crowbar on low side of vehicle to check forbroken torsion bar.If wheel can be lifted, notify unit maintenance.Step 2.Check track tension.Adjust track tension (see para. 3-6b).48.THUMPING NOISE AS TRACK PASSES OVER TRACK SUPPORT ROLLERS.Check for DEAD track link by driving vehicle slowly forward and watchingfor a DEAD link which will fall below the level of the other links.Replace DEAD link (see para. 3-6d).49.THUMPING NOISE FROM SUSPENSION SYSTEM.Check for wheels that have base separation of rubber from metal of onehalf the width of original contact around entire wheel or if damage to tire isenough to cause thumping during use. Check for loose, damaged, orleaking shock absorbers. Check track tension and overheated hubs.Adjust track tension if necessary (see para. 3-6b). Notifyunit maintenance.GPFU50.INSUFFICIENT AIRFLOW AT ALL STATIONS.Step 1.Check for kinked or pinched air hoses. Check for looseconnections.Straighten or replace hoses. Tighten loose connections.Step 2.Check for clogged particulate filters or low electrical power.Notify unit maintenance.51.AIRFLOW IS TOO HIGH AT ALL STATIONS.Air purifier is out of adjustment.Notify unit maintenance.52.GPFU WILL NOT OPERATE WHEN SWITCH IS ON.Step 1.Ground wire is loose or missing.Notify unit maintenance.3-16
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