CONTROL GP-HANDLE 3376853 - Caterpillar

Use this procedure for the TB bucket family. The bucket linkage should be lubricated every 50 service hours.
Note: Caterpillar recommends the use of 5% molybdenum grease for lubricating the boom, stick, and bucket control linkage. Refer to Special Publication, SEBU6250, "Caterpillar Machine Fluids Recommendations" for more information on molybdenum grease.Wipe all fittings before you apply lubricant.
Illustration 1 g00750605Note: Completely fill all cavities of the bucket control linkage with grease when you initially install a bucket.
Apply lubricant through fittings for the linkages (1), (2), (3), and (4).
Apply lubricant through fittings for the bucket (5), (6), and (7). Continue to fill with grease until the grease is visible on both sides of the power link. Note: Service the above fittings after you operate the bucket under water.Installation of the Bucket
Use the procedure that follows when a bucket is changed. Use the procedure that follows when a new pin is installed. Use the procedure that follows when new bearings are installed. Note: Fill the cavity of the stick nose with grease before you install the pin.
Insert the pin into the stick nose.
Secure the bucket to the stick.
Illustration 2 g00840339
(5) Fitting
(8) Plug
Remove plug (8).
Apply grease through fitting (5).
Fill until grease flows out of plug (8).
Install plug (8) and tighten plug (8).
Continue to fill with grease until the grease is visible on both sides of stick nose.
Apply lubricant through fittings for the bucket (6), and (7). Continue to fill with grease until the grease is visible on both sides of power link.