8R8440 HANDLE-SHIFT Caterpillar parts
936F, 950F, 950F II, 966F, 980F
Rating:
Alternative (cross code) number:
CA8R8440
8R-8440
8R8440
CA8R8440
8R-8440
8R8440
Weight: 0.29 pounds 0 kg.
WHEEL LOADER,
Number on catalog scheme:
9
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Information:
Cylinder Flow Adjustment
Illustration 1 g00652865
Steering control valve (1) Flow balance shims (2) Cylinder flow shims (3) End cover
Stop the engine and make sure that the hydraulic pressure has been released. Vent the hydraulic tank.
Remove end cover (3) from the steering control valve.
Adjust the thickness of cylinder flow shims (2). The addition of shims will decrease the steering time.
Install end cover (3) and check the steering time. Adjust the cylinder flow adjustment if it is necessary.Flow Balance Adjustment
Illustration 2 g00652865
Steering control valve (1) Flow balance shims (2) Cylinder flow shims (3) End cover
Stop the engine and make sure that the hydraulic pressure has been released. Vent the hydraulic tank.
Remove end cover (3) from the steering control valve.
Adjust the thickness of flow balance shims (1). The addition of shims will decrease the right turning time and the addition of shims will also increase the left turning time.
Install end cover (3) and check the steering times. Adjust the flow balance adjustment if it is necessary.Steering Slip
Stop the engine and make sure that the hydraulic pressure has been released.
Remove end cover (3) from the steering control valve.
Remove the spool from the steering control valve.
Flip the spool and install the spool in the opposite orientation. The spring, the retainer, and the shims must be moved to the opposite end of the spool.
Test the steering slip. See Testing and Adjusting, SENR8680, "Operation Checks". If the steering slip is still unacceptable, inspect the steering control valve and the steering metering pump for excessive wear.
Illustration 1 g00652865
Steering control valve (1) Flow balance shims (2) Cylinder flow shims (3) End cover
Stop the engine and make sure that the hydraulic pressure has been released. Vent the hydraulic tank.
Remove end cover (3) from the steering control valve.
Adjust the thickness of cylinder flow shims (2). The addition of shims will decrease the steering time.
Install end cover (3) and check the steering time. Adjust the cylinder flow adjustment if it is necessary.Flow Balance Adjustment
Illustration 2 g00652865
Steering control valve (1) Flow balance shims (2) Cylinder flow shims (3) End cover
Stop the engine and make sure that the hydraulic pressure has been released. Vent the hydraulic tank.
Remove end cover (3) from the steering control valve.
Adjust the thickness of flow balance shims (1). The addition of shims will decrease the right turning time and the addition of shims will also increase the left turning time.
Install end cover (3) and check the steering times. Adjust the flow balance adjustment if it is necessary.Steering Slip
Stop the engine and make sure that the hydraulic pressure has been released.
Remove end cover (3) from the steering control valve.
Remove the spool from the steering control valve.
Flip the spool and install the spool in the opposite orientation. The spring, the retainer, and the shims must be moved to the opposite end of the spool.
Test the steering slip. See Testing and Adjusting, SENR8680, "Operation Checks". If the steering slip is still unacceptable, inspect the steering control valve and the steering metering pump for excessive wear.
Caterpillar parts catalog:
Parts handle Caterpillar catalog:
518, 518C, 621E, 623E, 627E, 631E, 637E, 651E, 657E, 814B, 815B, 824C, 826C, 926, 936, 936F, 950B, 950F, 966D, 966F, 980C, 980F, G936, IT28
770G, 770G OEM, 772G, 772G OEM, 773G, 773G LRC, 773G OEM, 775G, 775G LRC, 775G OEM, 777G, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ, 795F AC, 795F XQ, 797F, 814F, 814F II, 815F, 815F II, 816F, 816F I...
9U4110
HANDLE AS
814F, 815F, 816F, 924F, 938F, 950F II, 960F, 966F II, 970F, IT38F
814F, 815F, 816F, 924F, 938F, 950F II, 960F, 966F II, 970F, IT38F
1005496
HANDLE AS
814F, 815F, 816F, 938F, 950F II, 960F, 966F II, 970F, IT38F
814F, 815F, 816F, 938F, 950F II, 960F, 966F II, 970F, IT38F
1394052
HANDLE AS
938F, 950F II, 960F, 966F II, 970F, IT38F
938F, 950F II, 960F, 966F II, 970F, IT38F
4E2954
HANDLE AS
938F, 950F II, 960F, 966F II, 970F, IT38F
938F, 950F II, 960F, 966F II, 970F, IT38F
814B, 815B, 824C, 826C, 834B, 836, 926, 936, 936F, 950B, 950F, 966D, 966F, 980C, 980F, 980F II, 988B, 988F, 992C, 992D, 994, 994D, G936, IT28
6W5802
HANDLE
938G, 950F II
938G, 950F II
4Y1803
HANDLE ASSEM.
916, 926, 936F
916, 926, 936F
814, 824C, 826G II, 834B, 834G, 834H, 834K, 836, 836H, 836K, 844, 844K, 854G, 854K, 950, 950B, 950B/950E, 966C, 966M, 966M XE, 972M, 972M XE, 980C, 980F, 980M, 982M, 988B, 988G, 988H, 988K, 990, 990 I...
950F II, 960F
1203882
HANDLE AS
950F II, 960F
950F II, 960F
814B, 815B, 824C, 826C, 834B, 836, 926, 936, 936F, 950B, 950F, 966D, 966F, 980C, 980F, 980F II, 988B, 988F, 992C, 992D, 994, 994D, G936, IT28
2T0880
HANDLE AS
615
615
6A7990
HANDLE
920
920
8V5966
HANDLE
920, 930
920, 930
4Y9422
HANDLE ASSEM.
938F, 960F
938F, 960F
1J1687
HANDLE
630A
630A
2D8165
HANDLE ASSEM.
630A
630A
6F9712
HANDLE
630A
630A
1094634
HANDLE AS
IT18F
IT18F
5G3998
HANDLE AS
910
910