Toro 20330 Service Manual - Page 26
Note: The bushings are two different lengths.
UPC - 021038203300
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WORM DRIVE TRANSMISSION Note: The bushings are two different lengths. The side of the case with the thicker boss uses a longer busing to support the axle. The bushings should be flush with the inside of the case (Fig. 016). A 3. Note: Some replacement axles have more than one hole that can be used to pin the sleeve to the axle. Refer to the original axle to identify the correct hole to use. Then drive a roll pin through the sleeve and axle (Fig. 017). Fig 016 A. Tool P/N 27-0460 3428-0158 2. Clean the rust and dirt from the both ends of the axle. Wipe the inner diameter of the bushings with a clean cloth. Lightly oil the axle and insert it into the gearcase. When facing the front of the gearbox, insert the short end of the axle from left to right. Install the thrust washer, helical gear, and the sleeve and clutch jaw. Then push the axle through the other side of the case. Fig 017 3428-0151 4. Using a seal protector, slide new seals down each side of the axle, Install the seal with the lip facing the transmission. The outer edge of the seal should be flush with the outside of the case. If a seal protector is not available, wrap a piece of cellophane around the axle (Fig. 018). AB A. Seal protector or Cellophane Fig 018 B. Seal 3428-0170 1-8 WPM Drive Systems Manual