Help First, Dajin Heavy Industry 850 car started vibrating double drum roller before the roller ready before start of the maintenance work must be completed (see care instructions), and do the following: 1. Check the steering is flexible steering. Zhejiang small roller. 2, check the handle is located in the inverted position. 3, release the hand brake. 21, a battery 22, a damping block 23, the pulley 24 squares, large sprocket 25, the tension sprocket 26, the brake arm 27, the hydraulic oil cup 28, 29 before the front scraper, flat belt tensioner 30, Ohira pulley new small roller, Shandong Jin Heavy Industries (certified), Zhejiang small roller provided by Shandong Heavy Machinery Co., Ltd. Jin. Heavy Machinery Co., Ltd. Shandong Jin (www.dajinzg.com) is a professional engaged in "small rollers, concrete leveling machines, trowel machines, milling machines, plate compactors and other road machinery" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage of healthy competition in the market, so that the "Dajin Heavy" brand has a good reputation. We adhere to the "first, customer first service" principle, so that Shandong Jin Heavy Industries has won the trust of customers in all of compaction machinery, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!