BUSHING-PRESS. 1F1289 - Caterpillar

POSITION OF THE TRACK ROLLERS
S. Single flange roller D. Double flange rollerThe flange at the center of shaft (5) gets the side load on the roller. Bearings (3) also get the side load on the roller. The amount of side movement or end clearance of the shaft can not be adjusted.The track rollers have Duo-Cone floating seals (6) at both ends of shaft (5).
TRACK ROLLER
1. Pin. 2. Inner end collar. 3. Bearings. 4. Outer end collar. 5. Shaft. 6. Duo-Cone seals. 7. Track roller.Track Roller Lubrication
If lubricant is added with the roller removed from the machine, shaft (1) must be in a horizontal position. The slot in the end, where the 5M2080 Nozzle is installed, must be at the bottom.
TRACK ROLLER LUBRICATION
1. Shaft. 2. Duo-Cone seals. 3. Plug. 4. Reservoirs. 5. Center passage.Lubricant is sent into center passage (5) through a 5M2080 Nozzle. The lubricant fills the reservoirs (4) in the rollers. When the reservoirs are full, the pressure of the oil causes the air and extra lubricant to go out the relief threads in the nozzle.When the lubricant does not have any bubbles, remove the nozzle and install the plug. Tighten the plug to a torque of 125 15 lb.ft. (17.3 2.1 mkg).Front Idlers
The front idlers put the tracks in position in front of the track rollers. They also keep the tracks in alignment with the sprockets.The adjustment of the tracks is done by the movement of the front idlers. The track adjusters move the front idlers against the track and hold them in position.The alignment of the front idlers is controlled by shims. The front idlers must have correct alignment with the track roller frames.
FRONT IDLER
1. Bearing. 2. Bushing assemblies (two). 3. Duo-Cone seals (two). 4. Bearing. 5. Shaft. 6. Guide assemblies (two).Front Idler Lubrication
If lubricant is added with the idler removed from the machine, the shaft (4) must be in a horizontal position. The thin parts of end bearings (6) are to be at the bottom.Lubricant is sent through the 5M2080 Nozzle into the center passage (2). The lubricant fills the reservoirs (5) around shaft (4). When the reservoirs are full, the pressure of the oil causes the air and extra lubricant to go out the relief threads in the nozzle.When the lubricant does not have any bubbles, remove the nozzle and install the plug (1). Tighten the plug to a torque of 125 15 lb.ft. (17.3 2.1 mkg).
FRONT IDLER LUBRICATION
1. Plug. 2. Center passage. 3. Duo-Cone seals. 4. Shaft. 5. Reservoirs. 6. Bearing.Front Idler Position
The alignment of the front idlers is controlled by shims. The front idlers must have correct alignment with the track roller frames. They should always be installed in the LOW position. Note location of hole (3) in bearing. When hole (3) is above the center of the idler shaft, the idler will be in the LOW position.
LOW POSITION
1. Guide assembly. 2. Bearing. 3. Hole.Recoil Spring
The recoil springs are installed in spring housings on the track roller