This standard specifies the minimum dimensions of openings for maintenance (hereinafter referred to as opening dimensions) for the following body parts of earthmoving machines specified in JIS A 8308. a) Opening for the hand b) Opening for the head c) Opening for the body d) Opening for one arm e) Opening for both arms The dimensions of the opening shall be inspected and adjusted through the opening at the construction workplace or factory. , provides engineers and designers with dimensional information that allows them to perform maintenance and other tasks without any problems.
JIS A 8301:2000 history
2000JIS A 8301:2000 Earth-moving machinery -- Minimum access dimensions
1986JIS A 8301:1986 Construction machinery -- Minimum access dimensions