| 摘要 |
PROBLEM TO BE SOLVED: To improve an assembling property and maintainability of a wiper system and an air-conditioning device contained in the front body of a cab. SOLUTION: An opening part 30 communicated with the interior of a car room is arranged at the front body part 21 of a cab, and a front panel 26 to cover the whole of the opening part 30 is removably mounted. A recessed groove 33 is formed in the outer peripheral part of the opening part 30 of the front body part 21 throughout a whole periphery, a protrusion streak part 26a superposed with the recessed groove 33 is formed on the front panel 26. The recessed groove 33 is filled with a sealant 34 for sealing. This constitution performs mounting and demounting of a wiper system and an air-conditioning device contained in the front body part 21 from the outside of a car room.
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