9.支重台车的保养 (第14幅,图见插2) 拖拉机每工作20～24 h,应检查支重台车的润滑油位,必要时添加新油。每工作500 h,应清洗支重轮润滑油腔(热车进行),清洗后按规定加入新油。同时应检查台车并应予以拧紧,但锁紧螺钉的最大扭矩不得超过270 N·m。拆装完毕后,应从外平衡臂上方的锥螺孔中加入250 mL润滑油。 9. Pallet Truck Maintenance (14th Edition, Fig. Insert 2) Every 20-24 hours of tractor work, check the lubricant level of the truck and add new oil if necessary. Every 500 hours of work, should be cleaned roller lubrication chamber (hot car), after cleaning according to the provisions of adding new oil. At the same time the trolley should be checked and tightened, but the maximum torque of the locking screw must not exceed 270 N · m. After dismantling, add 250 mL of lubricant from the taper screw hole above the outer balance arm.