G3520E Generator Set Engines Caterpillar


Engine Oil Pump

Usage:

G3520E FZJ


Illustration 1g03262836

Table 1
Specification for 273-1699 Engine Oil Pump Gp 
Item  Qty  Part  Specification Description 
298-6387 O-Ring Seal  Before assembly, lubricate lightly with 1E-1597 Rubber Lubricant. 


Illustration 2g03262716

Table 2
Item  Qty  Part  Specification Description 
107-7175 Spring  Length under test force is 107.16 mm (4.219 inch).
Test force is 555.6 ± 20.0 N (124.9 ± 4.5 lb).
Free length after test is 144.5 mm (5.69 inch)


Illustration 3g03262736

Table 3
Item  Qty  Part  Specification Description 
106-9866 Gear  Length is 110.000 ± 0.015 mm (4.3307 ± 0.0006 inch).
Depth of the bore in the oil pump body for the new gear 110.15 ± 0.02 mm (4.337 ± 0.001 inch)
106-9865 Idler Shaft  Diameter is 31.742 ± 0.008 mm (1.2497 ± 0.0003 inch).
After assembly, bore in the 7W-0060 Bushing for the idler shaft is 31.811 ± 0.013 mm (1.2524 ± 0.0005 inch)
4M-3248 Hollow Dowel  Extension from the oil pump cover is 6.0 ± 0.5 mm (0.24 ± 0.02 inch)
Distance from the end of the idler shaft to the gear face is 34.0 ± 0.5 mm (1.34 ± 0.02 inch)
106-9868 Shaft  Diameter is 31.742 ± 0.008 mm (1.2497 ± 0.0003 inch).
After assembly, bore in the 7W-0060 Bushing for the idler shaft is 31.811 ± 0.013 mm (1.2524 ± 0.0005 inch)
Distance from the end of the shaft to the gear face is 47.0 ± 0.5 mm (1.85 ± 0.02 inch)
7W-0050 Pump Cover  Installation depth of 7W-0060 Bushing in the pump cover is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)
106-9871 Oil Pump Body As  Installation depth of 7W-0060 Bushing in the oil pump body assembly is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)


Illustration 4g03266016

Table 4
Item  Qty  Part  Specification Description 
7N-2043 Dowel  Extension from the 1N-4637 Pump Cover 6.0 ± 1.0 mm (0.24 ± 0.04 inch)


Illustration 5g03263001

Table 5
Item  Qty  Part  Specification Description 
Position of 7W-0060 Bushing joints from the centerline through the bearing bores is 45 ± 15 degrees. 
Bench test specifications:
Unrestricted flow rate at 1000 rpm is 410 L/min (108 US gpm).
Pump pressure at 300 rpm with fully blocked outlet is 590 to 670 kPa (86 to 97 psi)

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