6Y4257 VALVE GP-PRESSURE CONTROL Caterpillar parts
784B, 784C, 785, 785B, 785C, 785D, 789, 789B
Rating:
Alternative (cross code) number:
CA6Y4257
6Y-4257
6Y4257
CA6Y4257
6Y-4257
6Y4257
Weight: 38 pounds 17 kg.
TRACTOR, TRUCK,
Compatible equipment models: 6Y4257:
Number on catalog scheme:
4
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Information:
TYPE="LEVEL" DEPTH="1" @@@-->The Scroll Switch Does Not Scroll
This procedure is for the "SCROLL" switch that does not scroll parameter values in the Display Area. The "Does Not Scroll" condition is probably caused by an undesired open circuit. Also, the Main Display Module may cause the problem (unlikely condition).
Locate The Switch.
Turn the "ECS" switch to the OFF/RESET position.
Locate the "SCROLL" switch. If necessary, use the Electrical System Schematic to assist in locating the switch.
Check for loose terminal connections or corroded terminal connections to the switch.
Clean the corroded terminals and tighten the loose connections.
Check The Harness.
Disconnect the signal wire from the switch.
Turn the "ECS" switch to the COOLDOWN/STOP position.
Alternately, ground the signal wire and float the signal wire.Expected Result: The Display Area should
This procedure is for the "SCROLL" switch that does not scroll parameter values in the Display Area. The "Does Not Scroll" condition is probably caused by an undesired open circuit. Also, the Main Display Module may cause the problem (unlikely condition).
Locate The Switch.
Turn the "ECS" switch to the OFF/RESET position.
Locate the "SCROLL" switch. If necessary, use the Electrical System Schematic to assist in locating the switch.
Check for loose terminal connections or corroded terminal connections to the switch.
Clean the corroded terminals and tighten the loose connections.
Check The Harness.
Disconnect the signal wire from the switch.
Turn the "ECS" switch to the COOLDOWN/STOP position.
Alternately, ground the signal wire and float the signal wire.Expected Result: The Display Area should
Caterpillar SIS machinery equipment:
Caterpillar SIS
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Caterpillar parts catalog:
Parts valve Caterpillar catalog:
120G, 12G, 130G, 140G, 14G, 160G, 16G, 611, 613C, 613C II, 615C, 621, 627E, 631C, 633D, 769C, 769D, 771C, 771D, 772, 773B, 773D, 773E, 775B, 775D, 775E, 776, 776C, 777D, 784B, 784C, 785, 785B, 785C, 7...
613C, 621E, 631E, 641B, 657, 769C, 769D, 771C, 771D, 772, 773B, 773D, 775B, 775D, 776C, 776D, 777, 777D, 784B, 785B, 789B, 793B, 793C, 920, 926, 930, 936F, 950, 950F, 950F II, 966C, 966D, 966F, 966F I...
613C, 621E, 631E, 641B, 657, 769C, 769D, 771C, 771D, 772, 773B, 773D, 775B, 775D, 776C, 776D, 777, 777D, 784B, 785B, 789B, 793B, 793C, 920, 926, 930, 936F, 950, 950F, 966C, 966D, 980C, 980F, D9H
611, 615C, 621E, 621F, 623E, 623F, 627E, 627F, 631E, 633E II, 637E, 651E, 657E, 69D, 769C, 769D, 771C, 771D, 773B, 773D, 775B, 775D, 776C, 776D, 777D, 785C, 785D, 789D, 793B, 793C, 793D, 797B, 994, 99...
621F, 623E, 623F, 627F, 769C, 771C, 772B, 773B, 775B, 777, 777B, 785, 994
533, 543, 69D, 769D, 771D, 773D, 773E, 773F, 775D, 775E, 775F, 776D, 777D, 777F, 789, 789B, 793, 793C, 834G, 834H, 836G, 950G, 966F II, 966G, 972G, 980G, 988F, 988F II, 988G, 988H, 992D, 994, 994D, 99...
120G, 120H, 12G, 12H, 12H NA, 130G, 135H, 140G, 140H, 140H NA, 143H, 14G, 14H, 14H NA, 160G, 160H, 163H, 16G, 16H, 16H NA, 5110B, 518, 5230, 5230B, 528, 621B, 631C, 633C, 639D, 666, 769, 769C, 769D, 7...
785C, 785D, 789C, 789D, 793B, 793C, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ, 844, 844H, 854G, 854K, 990 II, 990H, 992C, 992D, 992G, 992K, 993K, 994, 994D, 994F, 994H
5130, 5130B, 5230, 5230B, 773D, 776C, 776D, 777B, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 793, 793B, 793C, 793D, 797, 797B, 994, 994D, PR-1000, PR-750B
69D, 769D, 770, 771D, 772, 773D, 773E, 773F, 775D, 775E, 775F, 776C, 777D, 777F, 784B, 784C, 785B, 785C, 785D, 789B, 789C, 789D, 793B, 793C, 793D, 793F, 793F AC, 793F CMD, 793F OEM, 793F-XQ, 795F AC, ...
768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 773E, 775B, 775D, 775E, 776, 776C, 776D, 777, 777B, 777D, 784B, 784C, 785, 785B, 785C, 785D, 789, 789B, 789C, 789D, 793B, 793C, 793D, 797
768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 775B, 775D, 776, 776C, 776D, 777, 777B, 777D, 785C, 789C, 793C
2395317
VALVE & MTG GP-BULLDOZER
D6R III, D6T, D7R II
D6R III, D6T, D7R II
216, 236, 236B, 242B, 247, 247B, 267, 267B, 268B, 287
7T8557
VALVE GP-PRIORITY
578, 583R, D6H, D6H II, D6H XL, D6H XR, D7H, D8N
578, 583R, D6H, D6H II, D6H XL, D6H XR, D7H, D8N
8C9600
VALVE GP-SOLENOID
3412, 3412C, G3304, G3306, G3406, G3408, G3412, G3508, G3512, G3516, G3606, G3608, G3612, G3616
3412, 3412C, G3304, G3306, G3406, G3408, G3412, G3508, G3512, G3516, G3606, G3608, G3612, G3616
2069057
VALVE & MTG GP-MAIN CONTROL
980G II, 980H
980G II, 980H
9T6699
VALVE GP-BANK
D4H, D5H
D4H, D5H
1305463
VALVE & MTG GP-MAIN CONTROL
950G, 962G
950G, 962G
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H, 16H, 5130, 5230, 525D, 535D, 545D, 555D, 824C, 824G II, 824H, 825G II, 825H, 826G II, 826H, 834H, 836H, 844H, 854G, 854K, 938G II, 938H, 938K, 950G II, 95...
1160042
VALVE & MTG GP-FLUSHING
CP-433C
CP-433C
0776782
VALVE AS-POWER BRAKE
RR-250, SS-250
RR-250, SS-250
3946644
VALVE GP-ALT PATTERN CONTROL
308E CR, 308E SR
308E CR, 308E SR