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LouLawrence wrote:
NEVER CRAWL UNDER AN AIRED UP COACH! You need to get the RV supported on jacks such that loss of air will not kill you. You will then be able to bleed the air system and work under the coach safely.

This first !!!! I always lower the jacks AND then put large wooden blocks (8x8's stacked horizontally) under the frame in case the hydraulic jacks leak down/fail. Good luck and be careful.

WIthdrawn

NEVER CRAWL UNDER AN AIRED UP COACH! You need to get the RV supported on jacks such that loss of air will not kill you. You will then be able to bleed the air system and work under the coach safely.