COMPRESSOR 3237251 - Caterpillar

Illustration 1 g03361757
Table 1
Dimensions of Lifting Hook
Part Number of Lifting Hook Working Load Limit (WLL) (L1) Nominal Length of Hook (L2) Total Length of Hook (H) Nominal Height of Hook (B) Nominal Width of Hook (D) Actual Throat Clearance
351-9784 5000 kg (11023 lb) 125 mm (4.92 inch) 185 mm (7.28 inch) 135 mm (5.32 inch) 35 mm (1.38 inch) 35 mm (1.38 inch)
Illustration 2 g06118403
TRS10, TRS14, and TRS18 weld information
Note: The preheat temperature minimum is 150° C (302° F). The interpass temperature maximum is 220° C (428° F),Note: The lifting hook needs to be flush with the end radius.
Table 2
Weld Dimensions on Lifting Hook
Part Number of Lifting Hook Working Load Limit (WLL) Required Weld Dimension
351-9784 5000 kg (11023 lb) 1.5 mm
8 mm Note: Designate a person to inspect the hook frequently. The designated person should inspect the hook prior to operation and during operation. The designated person will determine if the conditions that are found are a hazard. The designated person will determine if a more detailed inspection is required.
Inspect the hook for any distortion such as bends in the hook or twists in the hook.
Inspect the dimensions of the throat (D) of type III hook. An increase in the dimensions of the throat must not exceed 5% of the original dimensions of the throat. Refer to illustration 1 and table 1 for the dimensions of the throat.
Inspect the hook for wear. An increase in the nominal dimensions (B), (H), and (L1) of the type III hook must not exceed 10% of the original nominal dimensions of the hook. Refer to illustration 1 and table 1 for the nominal dimensions of the hook.
Inspect the hook for cracks, nicks, or gouges.
Ensure that the latch properly engages. Inspect the latch for any damage. Ensure that the latch is not malfunctioning.Note: Before continuing to operate the hook, the hook must be repaired or replaced if any of the above conditions exist. Refer to illustration 2 and table 2 for weld information. Contact your Cat dealer for additional information on replacing the lifting hook.