P.S. Magazine: The Preventive Maintenance Monthly #100

P.S. Magazine Issue 100 is an anthology of practical maintenance guidance for Army equipment and vehicles. Featured topics include a new aircraft fire extinguisher exchange program (the mono-bromo-tri-fluoro-methane type available under FSN 4210-555-8837), troubleshooting steering gear housing oil leakage on 1959 model G744 series 5-ton trucks, and maintenance procedures for Joy compressor dehydration units, including a cartridge change timetable based on ambient temperature ranges. The issue combines illustrated instructional articles with a "Question and Answer Department" feature to address soldiers' specific maintenance concerns.