UNDERCARRIAGE / Front Idler REMOVE AND INSTALL FRONT IDLER Before removing and installing the front idler, the tracks must be removed first. For removal and instal- lation of the tracks, refer to “Remove and Install Tracks” section (W3-7-1). In this section, the procedure starts on the premise that the tracks have already been removed. Removal W110-03-05-001 CAUTION: Front idler (1) weight: 187 kg (412 lb) CAUTION: Front idler (1) may fly off due to the strong spring force when removing front idler (1). Do not stand in the same direction to remove front idler (1) or where front idler (1) flies off. 1. Pry and remove front idler (1) and yoke (2) from track frame (3) by using a pry bar. 2.
Attach a sling belt the to bearing and yoke (2) sections in front idler (1) as illustrated. Remove the front idler (1) assembly from track frame (3). W178-03-05-001 3. When storing front idler (1), place front idler (1) on the wooden block as illustrated. Installation W178-03-05-002 CAUTION: Front idler (1) weight: 187 kg (412 lb) 1. Install front idler in reverse procedures when re- moving. Clean sliding surface (a) of idler (1) and sliding surface (b) of track frame (3), and apply grease. 1 (b) 3 (a) 2 W178-03-05-004 W3-5-1 1 2 3