LINES GP-BACKHOE AUXILIARY 2623046 - Caterpillar

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If necessary, install Tooling (D) into Hole (W) in the cylinder block. Use Tooling (D) in order to lock the crankshaft in the correct position. Refer to System Operation, Testing and Adjusting, "Finding Top Center Position for No.1 Piston" for the correct procedure. Note: Do not use excessive force to install Tooling (D). Do not use Tooling (D) to hold the crankshaft during repairs.
Ensure that all of the components of the front gear group are clean and free from wear and damage. If necessary, replace any components that are worn or damaged.
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Install camshaft gear (6). Loosely install bolt (11) and washer (10) for the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove and Install" for the correct procedure.
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Install Tooling (B) through Hole (X) in camshaft gear (6) into the front housing.
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Alignment of timing marks
Install idler gear (7). Ensure that the timing marks on gear (6), gear (7), gear (8) and gear (9) are in alignment. Refer to Disassembly and Assembly, "Idler Gear - Remove and Install". Check the end play of the idler gear. Refer to Specifications, "Gear Group (Front)" and refer to Disassembly and Assembly, "Idler Gear - Remove and Install" for the correct procedure.
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Ensure that the fuel injection pump is locked in the correct position. Refer to Disassembly and Assembly, "Fuel Injection Pump - Install" for the correct procedure.
Remove Tooling (B) and Tooling (C).
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When a 8.8 Graded bolt (11) is installed. Tighten the bolt to a torque of 95 N m (70 lb ft). When a 10.9 Graded bolt (11) is installed. Tighten the bolt to a torque of 120 N m (89 lb ft).
Check the end play of the camshaft gear. Refer to Specifications, "Camshaft" for more information.
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Use Tooling (F) in order to measure the backlash for gear (6), gear (7), gear (8) and gear (9). Refer to Specifications, "Gear Group (Front)" for more information.
Lubricate each gear with clean lubricating engine oil.
If necessary, use Tooling (A) in order to rotate the crankshaft so that number one piston is at top dead center on the compression stroke. Refer to System Operation, Testing and Adjusting, "Finding Top Center Position for No.1 Piston" for the correct procedure. If necessary, use Tooling (D) in order to lock the crankshaft so that number one piston is at top dead center on the compression stroke.
Remove Tooling (D).
Failure to ensure that the crankshaft is positioned at 60 degrees after top dead center will result in interference between the pistons and the valves. Interference between the pistons and the valves will result in damage to the engine.
Use Tooling (A) in order to rotate the crankshaft in a clockwise direction and position the crankshaft at 60 degrees after top dead center.
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Ensure that guides (5) for the pushrods are correctly positioned on threaded inserts (4). Use Tooling (E) in order to tighten threaded inserts (4) on all rocker arms (3). Tighten the threaded inserts to a torque of 30 N m (265 lb