316F Excavator Machine System Specifications Pump Head (Main) Caterpillar

Pump Head (Main)

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316F Excavator Machine System Specifications Main Hydraulic Pump

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316F Excavator Machine System Specifications Pump Head (Main)

316F Excavator Machine System Specifications Main Hydraulic Pump

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Illustration 1	g06016774

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Table 1
Specification for 439-5947 Pump Head Gp
Item	Qty	Part	Specification Description
1	9	094-1882 Plug	Before assembly, apply blue Loctite 5188 to threads. Torque to 13 ± 2 N·m (115 ± 18 lb in).

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Illustration 2	g06016776
Section A-A

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Table 2
Item	Qty	Part	Specification Description
2	1	8T-4133 Nut	Torque to 45 ± 5 N·m (33 ± 4 lb ft).
3	1	200-3255 Nut	Torque to 100 ± 10 N·m (74 ± 7 lb ft).
4	1	273-8316 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
5	2	8T-4132 Nut	Torque to 125 ± 20 N·m (92 ± 15 lb ft).
6	2	190-7674 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
7	1	281-6847 Piston	Apply Loctite 263 to the threads of piston and leave the piston to dry at room temperature for minimum of four hours.
8	1	192-2376 Pin As	Torque to 147 ± 15 N·m (108 ± 11 lb ft).
9	1	273-8317 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
10	1	273-8318 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
11	1	342-1931 Spring	Length under test force is 33.4 mm (1.32 inch). Test force is 40.0 N (9.0 lb). Free length after test is 34.4 mm (1.35 inch).
12	1	200-3247 Spring	Length under test force is 43.4 mm (1.71 inch). Test force is 101.0 ± 5.0 N (22.7 ± 1.1 lb). Free length after test is 47.200 mm (1.8583 inch).
13	1	099-3671 Spring	Length under test force is 14.5 mm (0.57 inch). Test force is 8.8 ± 0.7 N (2.0 ± 0.2 lb). Free length after test is 26.5 mm (1.04 inch).
14	As required, use the following shims to adjust the test force of the spring (15):
	2	099-3669 Shim	Thickness of one shim is 1.00 mm (0.039 inch).
	2	099-6109 Shim	Thickness of one shim is 1.05 mm (0.041 inch).
	2	099-6110 Shim	Thickness of one shim is 1.10 mm (0.043 inch).
	2	099-6111 Shim	Thickness of one shim is 1.15 mm (0.045 inch).
	2	099-6112 Shim	Thickness of one shim is 1.20 mm (0.047 inch).
	2	099-6113 Shim	Thickness of one shim is 1.25 mm (0.049 inch).
	2	099-6115 Shim	Thickness of one shim is 1.30 mm (0.051 inch).
15	1	267-1625 Spring	Length under test force is 42.0 mm (1.65 inch). Test force is 146.9 N (33.0 lb). Free length after test is 43.400 mm (1.7087 inch).
16	1	6V-5391 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.

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Illustration 3	g06016794
Section B-B

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Table 3
Item	Qty	Part	Specification Description
17	1	2H-9247 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
18	1	3J-1907 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
19	3	189-9763 O-Ring Seal	Before assembly, lubricate the bores lightly with the lubricant that is being sealed.
C	1	094-1875 Dowel	Installation depth is 3.55 to 3.80 mm (0.140 to 0.150 inch).