GASKET KT-YM 3905290 - Caterpillar

Track Carrier Rollers
The track carrier rollers give support to the track between the sprocket and the front idler. The shaft of the track carrier roller is fastened to a support bracket by a clamp. The support bracket is fastened to the track roller frame.
TRACK CARRIER ROLLER (9S3570)
1. Shaft. 2. Duo-Cone seal. 3. Roller bearings. 4. Plug. 5. End collar. 6. Carrier roller. 7. End cover.The track carrier rollers must be in alignment with the sprocket and the front idler. The alignment is done by the movement of the roller shaft inside the support bracket. The carrier rollers turn on two tapered roller bearings.Track Carrier Roller Lubrication
If lubricant is added with the roller removed from the machine, shaft (1) must be in a horizontal position.
TRACK CARRIER ROLLER (9S3570)
1. Shaft. 2. Duo-Cone seal. 3. Bearings. 4. Passage. 5. End cover. 6. Plug.Lubricant is sent into center passage (4) through the 5M2080 Nozzle. The lubricant fills the cavity between shaft (1) and the roller. When the cavity is full, the pressure of the oil causes the air and extra lubricant to go