TM9-4310-396-13Table 4-1 Unit Preventive Maintenance Checks and Services - continuedLocationItemItem toNot Fully MissionNo.IntervalCheck/ServiceProcedureCapable if:4MonthlyShutoff Screw CockInsure shutoff screw cock (1) is notShutoff screw cockleaking, missing, or damaged.leaks, missing, orService or replace as necessaryis damaged.(para. 4-22).WARNINGStand free of moving parts and possible pinch points prior to start upand during operation. Do not operate without belt guard assembly.Failure to observe this warning may result in severe personal injuryor death.5MonthlyV-BeltsRemove grille of complete belt guardV-belts areassembly and check for torn, frayed,damaged orand proper tension of V-Belts (1).excessively loose.Deflection should be 1/4 to 1/2 inch(6.35 to 12.7 mm) at midpointbetweenpulleys (2). Tighten V-belts to thistolerance if loose. Replace V-belts iftorn or frayed (para. 4-15).4-10
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