BRACKET 2389769 - Caterpillar

Position the machine on a level surface and retract the bucket. Lower the bucket to the ground.
Move the hydraulic lockout control to the LOCKED position. Stop the engine.
Illustration 1 g02976961
(1) Retaining pin
(2) Shovel crane hook
(3) Shovel crane latch
Remove retaining pin (1) and lower the hook for inspection.
Inspect shovel crane hook (2) and shovel crane latch (3) and make any repairs before operation of the shovel crane. Inspect Shovel Crane Hook
Ensure that the shovel crane is properly lubricated. Refer to this Operation and Maintenance Manual, "Shovel Crane - Lubricate" for the correct procedure.
Illustration 2 g02976841Inspect for notable scratches, tears, or welded parts.
Illustration 3 g02976844Visually inspect for corrosion and rust. If corrosion or rust is found, polish the area with a grinder and lubricate the hook with oil.
Illustration 4 g02976852Inspect the shovel crane swivel. The swivel should rotate smoothly and not rattle.
Illustration 5 g02976859Inspect the tip of shovel crane hook and ensure that the tip is not bent to either side.
Illustration 6 g03301277
(4) Width
(5) Punch marks
(6) Length There are two types of hooks: Hook (A) - This type of hook will not have a mark to indicate the area intended to bear the weight of a suspended load.Measure the shovel crane hook to ensure that the specifications do not exceed the thresholds found in the table below.
Table 1
Disposal Reference Chart
Hook Type New Shovel Hook Specifications for Reference Shovel Hook Specification Threshold
Length (6) Width (4) Length (6) Width (4)
A 32 mm 21 mm 33.6 mm 19.9 mm Note: Length (6) is the distance between punch marks (5).Replace shovel crane hook for any of the following reasons:
Deep scratches, tears, or welded parts
Corrosion or rust that cannot be removed with a grinder
Hook swivel does not rotate smoothly
Tip of the hook is bent to either side
Hook has excessive movement in the swivel
Hook exceeds the specification thresholds found in the disposal reference chart.Inspect the Shovel Crane Latch
Illustration 7 g02977957
(C) Open
(D) Closed
(E) Operating range Inspect the latch to ensure that the latch moves smoothly in operating range (E).
Illustration 8 g02978118Inspect the latch for excessive movement (F). Ensure that the spring is not broken and the latch does not rattle.
Illustration 9 g02978136Inspect the latch to ensure that the latch closes completely and there is no gap between the latch and the hook. The latch should rest firmly on the tip of the hook.
Illustration 10 g02978141Inspect the latch to ensure that the latch is not bent or deformed. The latch should be centered on the tip of the hook.Replace shovel crane latch for any of the following reasons:
Latch does not move smoothly within the operating range
Latch has excessive movement or rattles
Latch does not fully close
Latch is bent or deformed