ENGINE AR-PRIMARY 2526293 - Caterpillar

Illustration 1 g01149877
Inspect the pins that secure the blades to the brush cutter for looseness. The nuts are located under the access plate on top of the deck for the brush cutter. Insert a socket through the access hole in order to tighten the pins.
Refer to table 1 in order to inspect the tightness of the blade and the tightness of the pins. If the pins are loose, the blade must be removed. Thoroughly clean the blade. Inspect the blade for dull conditions or damaged conditions. Refer to Operation and Maintenance Manual, "Blade-Inspect/Replace" in order to reassemble the blade.
Table 1
Carrier Assembly Static Inspection Torque(1)
Carrier (Design A) 480 N m (350 lb ft)
Carrier (Design B) 900 N m (660 lb ft)
(1) Torque values for assembly are referenced in Operation and Maintenance Manual, "Blade-Inspect/Replace".Reference: Refer to Operation and Maintenance Manual, "Blade-Inspect/Replace" in order to determine the design of your carrier assembly.
Illustration 2 g01149902
Inspect the center bolt that secures the carrier assembly to the brush cutter. If the center bolt appears loose or the cotter pin is missing, refer to Service Manual, RENR4483 for proper reassembly of the carrier assembly to the brush cutter.
Install the plate that covers the access hole on the top of the brush cutter.