GAUGE ASSEM. 5G4337 - Caterpillar

Remove Front Idlers
start by: a) separation of track 1. Loosen bolts (1) and (2) on both sides of front idler.2. Remove four bolts (3).3. Pull the front idler forward and remove two spacers (4). 4. Fasten a hoist to the front idler. Weight of the front idler is 275 lb. (135.74 kg). Remove front idler.5. Remove the plate assemblies and plates from the right hand and left hand bearings.Install Front Idlers
1. Install the plates and plate assemblies in the right hand and left hand bearings.2. Fasten a hoist to the front idler. Put the front idler in the correct position on the track roller frame. 3. Install spacers (2) between yoke and front idler. Install four bolts (1).4. Tighten bolts (3) and (4) to a torque of 40 lb.ft. (5.5 mkg).5. Use a hammer and hit lock pin (5) until it makes a seat in the correct position.6. Tighten bolts (3) and (4). 7. Check dimensions (A) and (B). Dimensions (A) and (B) must be .06 in. (1.52 mm). Use shims (6) and (7) as needed for correct alignment of front idler and track roller frame.8. Remove bolts (8) and plate (9). Install shims as needed. Install plate (9) and bolts (8).end by: a) connection of trackDisassemble Front Idlers
start by: a) remove front idler 1. Put front idler (3) in position on blocks.2. Remove bolt and washer from lock.3. Install bolt back in lock. Use a hammer and punch to remove lock from bearing (4).4. Remove bolts (1), plate (2), and shims from bearing (4). 5. Use tooling (A) to remove bearing from shaft.6. Remove the Duo-Cone seal from the bearing and the bushing. Put identification on the seals to prevent mixing at assembly. 7. Remove bolts (5) that hold bushing to front idler.8. Turn the front idler over. Do Steps 1 through 7 on opposite side of front idler.9. Remove the bushings and shaft from the front idler with a press. Remove the O-ring seals from the shaft. 10. Remove bushing (6) from bushing (8) with a press.11. Cut pins (7) off even with the face of the bushings. Make the surface of the bushings smooth with a file.Assemble Front Idlers
1. Install bushing (1) in bushing (3) as follows: a) Put the oil holes in the bushings in alignment. Install bushing (1) into bushing (3) with a press.b) Drill two .297 in. (7.54 mm) holes 180° apart .75 in. (19.05 mm) deep through bushings (1) and into bushings (3). Do not drill holes through lubrication grooves on bushing (1).c) Install two new pins (2) in each bushing even with the outside face of the bushing (1).2. Inspect seals on bushings. Install new seals as needed. Put oil on seals and contact surfaces of bushings and idler. 3. Install one of the bushings in idler with tooling (A). Install the bolts in the bushing. 4. Turn the idler over. Install shaft (5) in the bushing. Install the other bushing with tooling (A) and a press. Install bolts in