316F Excavator Machine System Specifications Main Hydraulic Pump Caterpillar


Main Hydraulic Pump
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Illustration 1g06018809

Table 1
Specification for 434-2103 Piston Pump Gp 
Item  Qty  Part  Specification Description 
Lubricate the sliding surfaces of the main hydraulic pump lightly, with clean hydraulic oil. 
13  094-1882 Plug  Before assembly, apply blue Loctite 5188 to the threads of plug. 
Torque to 13 ± 2 N·m (115 ± 18 lb in).
3J-1907 O-Ring Seal  Before assembly, lubricate the bores lightly with the lubricant that is being sealed. 
189-9763 O-Ring Seal  Before assembly, lubricate the bores lightly with the lubricant that is being sealed. 
199-0518 O-Ring Seal  Before assembly, lubricate the bores lightly with the lubricant that is being sealed. 


Illustration 2g06018800
Section A-A

Table 2
Item  Qty  Part  Specification Description 
190-4896 Plug  Before assembly , apply blue Loctite 5188 to the threads of plug. 
Torque to 25 ± 3 N·m (221 ± 27 lb in).
207-2985 Orifice  Torque to 13 ± 2 N·m (115 ± 18 lb in)
5P-2545 O-Ring Seal  Before assembly, lubricate the bore of the O-ring seal lightly with the lubricant that is being sealed. 
12  165-2799 Spring  Length under test force is 27.0 mm (1.06 inch)
Test force is 170.6 ± 25.0 N (38.4 ± 5.6 lb).
Free length after test is 30.41 mm (1.197 inch).
192-0573 Dowel Pin  Protrusion of the dowel pin after installation is 1.88 to 2.10 mm (0.074 to 0.083 inch)


Illustration 3g06018804
Section D-D

Table 3
Item  Qty  Part  Specification Description 
8T-4136 Bolt  Torque to 44 ± 4 N·m (32 ± 3 lb ft)
10  273-8315 O-Ring Seal  Before assembly, lubricate the bores lightly with the lubricant that is being sealed. 
11  353-5837 Lip Type Seal  Before assembly, lubricate the lip of the lip type seal lightly with the lubricant that is being sealed. 
12  8T-7547 Bolt  Before assembly, apply red Loctite 263 to threads. 
13  1H-7339 O-Ring Seal  Before assembly, lubricate the bores lightly with the lubricant that is being sealed. 

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