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Old 17-09-10, 16:10
mel gabel mel gabel is offline
JT (Mel) Gabel
 
Join Date: Jun 2009
Location: Campbellville, ON, Canada
Posts: 36
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FYI - The second "pressure guage" is in fact for air pressure, not oil pressure, as these trucks had an air pac to multiply the braking effort in the hydraulic braking system.
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