TM 9-2350-247-20-1PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDINGLUBRICATION INSTRUCTIONS — Continued0128 00ITEMNO.INTERVALMAN-HOURITEM TO BECHECKED ORSERVICEDCREWMEMBERPROCEDUREEQUIPMENTNOT READY/AVAILABLEIF:28Semi-AnnualFixed FireExtinguishera. Remove and weigh fixed fire extinguishercylinder (WP 0526 00). If cylinder is low, refill.b. Before reconnecting or replacing cylinder,operate discharge handles and be sure cablesand controls work right.c. Install cylinder and replace copper seal wires(WP 0527 00 or WP 0528 00).d. Replace discharge tubes that are crimped orcracked (WP 0524 00 or WP 0525 00).0128 00-38
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