Recommended Upper Mounting Bracket Inspection on the Output Transfer Gear for Certain 700 C-Series Articulated Trucks {3159} Caterpillar


Recommended Upper Mounting Bracket Inspection on the Output Transfer Gear for Certain 700 C-Series Articulated Trucks {3159}

Usage:

745C OEM JE8


Articulated Truck
735C (S/N: TFJ1-205)
740C EJECTOR (S/N: TFN1-178)
745C (S/N: JE81-115; JE91-102; LFK1-676; TFK1-1084)

Description Of Change: Inspection of the upper mounting bracket on the output transfer gear is now recommended for the products listed above. This Service Magazine outlines the recommended procedure for determining if the hardware should be replaced.

Adaptable To: The following inspection is adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.

Table 1
Parts List 
Qty  Qty  Part 
14(1)  099-0169 Bolt 
14(1)  198-4780 Hard Washer 
(1) Replace as required


    Illustration 1g06163224
    Orientation view of the machine OTG upper mounting brackets
    (A) Output Transfer Gear
    (1) 099-0169 Bolt
    (2) 198-4780 Hard Washer

  1. Using a suitable torque wrench set to 200 N·m (148 lb ft), perform a static torque inspection of 14 bolts (1).

  2. Remove bolts (1) that turn at 200 N·m (148 lb ft) to clean and inspect the threads.

  3. Replace damaged or missing hardware with bolts (1) and hard washers (2) as required.

  4. When installing bolts (1) and hard washers (2), use the dynamic torque value 240 ± 40 N·m (177 ± 30lb ft).

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