GUARD AS 1784131 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00559572
Install a new gasket and front plate (6) .Note: Ensure that all mating surfaces are clean and free of old gasket material.
Install five bolts (5) that hold front plate (6) to the cylinder block. Tighten these bolts to a torque of 10 to 13 N m (7 to 10 lb ft).
Illustration 2 g00559567
Install idler shaft (4) onto the cylinder block.Note: If necessary, cool the idler shaft to 0 °C (32 °F) before installation.
Illustration 3 g00559536
Note: Ensure that the marks on the timing gears are in alignment. Align the fuel injection drive gear with the "33" mark with the "3" mark on the idler gear. Make an alignment of the "2" mark on the camshaft gear with the "22" mark on the idler gear. Align the "1" mark on the crankshaft gear with the "11" mark on the idler gear. The No. 1 cylinder is at the top center position when these marks are in alignment.
Install idler gear (3) .
Install thrust plate (2) .
Install the washer and idler gear bolt (1) onto thrust plate (2). Tighten idler gear bolt (1) to a torque of 34 5 N m (25 4 lb ft).Note: For more information, refer to the Specifications Module, "Gear Group (Front)".Note: See the following list for the installation of the other gears in the front gear group.
In order to install the camshaft gear, refer to Disassembly and Assembly, "Camshaft - Remove and Install".
In order to install the fuel injection pump gear, refer to Disassembly and Assembly, "Fuel Injection Pump Housing and Governor - Install".
In order to install the gear from the engine oil pump, refer to Disassembly and Assembly, "Engine Oil Pump - Install".
In order to install the crankshaft front gear, refer to Disassembly and Assembly, "Crankshaft Front Gear - Remove and Install".End By: Install the front housing. Refer to Disassembly and Assembly, "Housing (Front) - Install".