RADIATOR GP 4525153 - Caterpillar

Height Adjustment
Illustration 1 g01161532
(1) Height Adjustment for the Frame
(2) Adjusting Bolts
(3) Frame The height of the frame may be adjusted in order to compensate for the wear on the cutting edge. The front portion of the frame needs to be lowered as the cutting edge wears. Remove the bolts (2) and lower the frame (3). Install the bolts. This will keep the blade level with the ground and this will prevent the blade from digging into the ground.Note: In order to properly adjust the blade, the work tool coupler needs to be vertical. The position of the pivot point of the blade is perpendicular to the ground. Follow this procedure in order to ensure that the cutting edge will remain flat on the ground during operation.Trunnion Joint
Note: The trunnion is a dry joint. Adding grease to the trunnion simply attracts abrasive particles. The tightness of the joint should be monitored. Shims should be removed when the joint becomes too loose. This may be indicated by excessive movement in the blade.
Illustration 2 g01173519
(A) Trunnion Joint
(B) Bolts
(C) Shims
Remove the four retaining bolts (B) and the cap.
Remove the necessary shims.
Replace the cap and bolts.
The tightening sequence is shown in illustration 2.
Torque the bolts to 530 70 N m (391 52 lb ft).Note: Some noise is typical and the noise does not indicate a problem.