SEAT GP-SUSPENSION 8Y6179 - Caterpillar

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If necessary, install bearing (11) to front housing (7). Refer to Disassembly and Assembly, "Housing (Front) - Install" for the correct procedure.
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Install hub (25) to the recess of front housing (7). Ensure that oil Hole (Y) is to the top of the hub.
Lubricate idler gear (16) with clean engine lubricating oil. Install idler gear (16) to hub (25). Ensure that the timing marks are toward the front of the idler gear.
Align timing marks on idler gear (16) with the crankshaft gear.
Lubricate idler gear (24) with clean engine lubricating oil. Install idler gear (24) to housing (7). Ensure that idler gear (24) is correctly aligned with idler gear (16).
Position tube assembly (21) onto idler gear (16) and idler gear (24).
Position clip (20) onto tube assembly (21). Install bolts (19 ) hand tight.
Position clip (22) onto tube assembly (21). Install bolts (23) hand tight.
Tighten bolts (19) and bolts (23) to a torque of 44 N m (32 lb ft).
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Install camshaft gear (6). Loosely install bolt (27) and washer (26) for the camshaft gear. Refer to Disassembly and Assembly, "Camshaft Gear - Remove and Install" for the correct procedure.
Install Tooling (B) through Hole (X) in camshaft gear (6) into the front housing.
Install fuel injection pump gear (17). Refer to Disassembly and Assembly, "Fuel Injection Pump Gear - Remove and Install" for the correct procedure.
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Ensure that the timing marks on gear (6), gear (16), gear (17), and gear (18) are in alignment.
Remove Tooling (B) and Tooling (C).
When a 8.8 Graded bolt (28) is installed. Tighten the bolt to a torque of 95 N m (70 lb ft). When a 10.9 Graded bolt (29) is installed. Tighten the bolt to a torque of 120 N m (89 lb ft).
Tighten the nut for fuel injection pump gear (17). Refer to Disassembly and Assembly, "Fuel Injection Pump Gear - Remove and Install" for the correct procedure.
Use Tooling (E) in order to check the end play of the camshaft gear. Refer to Specifications, "Camshaft" for more information.
Use Tooling (E) in order to check the end play of the idler gears. Refer to Specifications, "Gear Group (Front)" and refer to Disassembly and Assembly, "Idler Gear - Remove and Install" for more information.
Use Tooling (E) in order to measure the backlash for gear (6), gear (26), and gear (25). Refer to Specifications, "Gear Group (Front)" for more information.
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If necessary, follow Step 23.a through Step 23.d in order to assemble the gear assembly (12).
Place gear (12) on a suitable support.
Position bearing (13) onto gear (12) with open face of the bearing toward the gear.
Press on the inner race of bearing (13). Press the bearing onto gear (12) until the shoulder of the bearing is against the gear.
Install circlip (14) to gear (12).
Install gear assembly (12) to front housing (7).
Install circlip (15) to front housing (7). Ensure that the circlip is correctly installed to the recess in the front housing.
Ensure that gear assembly (12) has tactile backlash.
If the left-hand side of the