990K Wheel Loader Systems Caterpillar

Main Control Valve

Usage:

990K A9P

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Table 1
Specification for 366-8213 Main Control Valve Gp
Item	Qty	Part	Specification Description
1	1	425-6958 Relief Valve Gp	Torque to 110 ± 7 N·m (81 ± 5 lb ft).

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Table 2
Item	Qty	Part	Specification Description
2	1	422-8922 Special Nut	Torque to 5 ± 1 N·m (44 ± 9 lb in).

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Table 3
Item	Qty	Part	Specification Description
3	3	367-6002 Plug As	Before assembly, apply red Loctitle 263 to the threads.
4	4	9F-2167 Purge Screw	Installation torque to iron and steel is 18.0 ± 2.5 N·m (159.3 ± 22.1 lb in). Installation torque to aluminum is 6.5 ± 1.5 N·m (57.5 ± 13.3 lb in).
5	2	366-4695 Plug As	Before assembly, apply red Loctitle 263 to the threads.
6	1	111-0343 Locknut	Torque to 5.0 ± 0.5 N·m (44.3 ± 4.4 lb in).
7	1	370-0438 Pressure Reducing Valve	Torque to 40 ± 4 N·m (30 ± 3 lb ft).
8	1	147-1223 Solenoid Valve Gp	Torque to 108 ± 7 N·m (80 ± 5 lb ft).
9	2	369-6862 Plug As	Torque to 240 ± 20 N·m (177 ± 15 lb ft).

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Table 4
Item	Qty	Part	Specification Description
10	1	4T-5896 Check Valve Gp	Torque to 32 ± 5 N·m (283 ± 44 lb in).

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Table 5
Item	Qty	Part	Specification Description
11	3	9L-9188 Spring	Length under test force is 43.18 mm (1.700 inch).
			Test force is 15.6 ± 1.3 N (3.5 ± 0.3 lb).
			Free length after test is 57.9 mm (2.28 inch).
12	3	102-4158 Plug As	Torque to 440 ± 44 N·m (325 ± 32 lb ft).
13	2	423-7705 Relief Valve Gp	Torque to 325 ± 40 N·m (240 ± 30 lb ft).

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Table 7
Item	Qty	Part	Specification Description
16	1	160-7439 Makeup Valve	Torque to 325 ± 40 N·m (240 ± 30 lb ft).
17	1	139-3555 Spring	Length under test force is 33.00 mm (1.299 inch).
			Test force is 27.00 ± 6.00 N (6.07 ± 1.35 lb).
			Free length after test is 62.15 mm (2.447 inch).
18	1	423-7709 Relief Valve Gp	Torque to 325 ± 40 N·m (240 ± 30 lb ft).

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Table 8
Item	Qty	Part	Specification Description
19	1	148-8406 Plug As	Torque to 240 ± 20 N·m (177 ± 15 lb ft).
20	1	7J-7852 Spring	Length under test force is 43.2 mm (1.70 inch).
			Test force is 8.0 N (1.8 lb).
			Free length after test is 58.7 mm (2.31 inch).

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