312D and 313D Excavators Machine System Specifications Front Lines

Front Lines - System 22

312D and 313D Excavators Machine System Specifications [KENR6553]

HYDRAULIC SYSTEM

LINES GP-FRONT

312D and 313D Excavators Machine System Specifications Front Lines - System 22

1.1. Relief Valve Group (4)

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Table 1
Specification for 278-6702 Front Lines Gp
Item	Qty	Part	Specification Description
1	1	282-7150 Hose As	Torque hose assembly to 160 ± 16 N·m (118 ± 12 lb ft).
2	1	270-6110 Connector As	Torque connector assembly to 165 ± 15 N·m (122 ± 11 lb ft).
3	1	275-1750 Hose As	Torque hose assembly to 160 ± 16 N·m (118 ± 12 lb ft).

Relief Valve Group (4)

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Table 2
Specification for 177-2653 Relief Valve Gp
Item	Qty	Part	Specification Description
5	1	177-2653 Relief Valve Gp	Torque relief valve group to 135 ± 10 N·m (100 ± 7 lb ft).
6	1	6I-6795 Spring	Length under test force is 24.6 mm (0.97 inch). Test force is 21.47 ± 1.72 N (4.8 ± 0.4 lb). Free length after test is 30 mm (1.2 inch).
7	1	4I-3510 Spring	Length under test force is 218.676 ± 10.934 N (49.2 ± 2.5 lb). Test force is 218.676 ± 10.934 N (49.2 ± 2.5 lb). Free length after test is 35.600 mm (1.4016 inch).
8	1	171-0035 Holder	Torque holder to 75 ± 10 N·m (55 ± 7 lb ft).
9	1	222-0085 Nut	Torque nut to 50 ± 10 N·m (37 ± 7 lb ft).
10	1	095-1587 O-Ring Seal	Lubricate the bore of three O-ring seals lightly with the lubricant that is being sealed.
11	1	095-1786 Backup Ring	Lubricate the bore of the backup ring lightly with the lubricant that is being sealed.
12	1	095-1590 O-Ring Seal	Lubricate the bore of three O-ring seals lightly with the lubricant that is being sealed.
13	1	095-1579 O-Ring Seal	Lubricate the bore of three O-ring seals lightly with the lubricant that is being sealed.