(1) Disassembly of the crankshaft pulley and damper: When disassembling, first remove one mounting bolt and install one guide pin, then remove the remaining bolts, pulley, and damper, as shown in Figure 2-110. Do not use hammers or screwdrivers when disassembling the viscous damper to avoid damaging it.
Cummings Calterrm v5.16（Free remote installation）
(2) Disassembly of the idler assembly: ① Remove the crankshaft front oil seal, as shown in Figure 2-111.
Figure 2-110 Disassembly of crankshaft pulley and shock absorber
Figure 2-111 Removal of the front crankshaft oil seal 1—Pressure ring 2—Seal 3—Oil seal 4—Gasket
Figure 2-112 Removal of the engine front bracket
② Remove the front engine mount, see Figure 2-112.
③ Remove the gear chamber cover and rectangular seal, see Figure 2-113.
④ The engine has three idler assemblies, see Figure 2-114.
These three idler assemblies are the water pump and oil pump idler, the camshaft idler, and the hydraulic pump idler.
Remove the camshaft idler and water pump idler in the order shown in Figure 2-115. If using an SAE "B" type hydraulic pump drive, mark the position of the idler shaft when removing it. During reassembly, each shaft should be reinstalled in its original position.
6. Remove the hydraulic pump drive in the order shown in Figure 2-116.
Moving idler gear assembly. If using an SAE "A" type drive unit, a rectangular seal ring 4 is not required on the rear surface of the gear positioning plate.
Figure 2-113 Disassembly of the gear chamber cover and rectangular seal ring
Figure 2-113 Disassembly of the gear chamber cover and rectangular seal ring
Figure 2-114 shows three idler assemblies mounted on the engine:
1—Water pump and oil pump idler
2—Camshaft idler
3—Hydraulic pump idler
Figure 2-115 Disassembly of Camshaft Idler and Water Pump Idler
4—Gear Positioning Plate
5—Front Thrust Bearing
6—Idler Gear
7—Rear Thrust Bearing
8—Idler Gear Shaft
9—Wear-resistant Plate
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