416B, 426B, 428B, 436B, & 438B BACKHOE LOADER TRANSMISSION Caterpillar


Hydraulic Control Valves

Usage:

Earlier Valves With Adapter Between Control Valve And Transmission
6Y-7468, 9U-9496

(1) 8E-9322 Spring:

Length under test force ... 21.3 mm (.84 in)

Test Force ... 8 N (1.8 lb)

Free length after test ... 34 mm (1.34 in)

Outside diameter ... 10.3 mm (.41 in)

(2) 6Y-4762 Spring:

Length under test force ... 18.9 mm (.74 in)

Test Force ... 62.7 ± 1.5 N (14.10 ± .33 lb)

Free length after test ... 24.7 mm (.97 in)

Outside diameter ... 8 mm (.31 in)

(3) 7T-2681 Spring:

Length under test force ... 34 mm (1.34 in)

Test Force ... 30.11 ± 0.88 N (6.769 ± .198 lb)

Free length after test ... 87 mm (3.43 in)

Outside diameter ... 12 mm (.472 in)

(4) 7T-2677 Spring (outer):

Length under test force ... 37 mm (1.46 in)

Test Force ... 227.52 ± 6.86 N (51.156 ± 1.544 lb)

Free length after test ... 64.5 mm (2.54 in)

Outside diameter ... 19.6 mm (.77 in)

(5) 7T-2676 Spring (inner):

Length under test force ... 31 mm (1.22 in)

Test Force ... 49.0 ± 1.47 N (11.025 ± .068 lb)

Free length after test ... 52 mm (2.05 in)

Outside diameter ... 13 mm (.51 in)

(6) Head of plug must be flush with body.

(7) 7T-3129 Spring for torque converter inlet relief valve. This valve (not shown) is located in the valve adapter below the hydraulic control valve.

Length under test force ... 23.7 mm (.93 in)

Test Force ... 33 N (7.4 lb)

Free length after test ... 39.1 mm (1.54 in)

Outside diameter ... 11 mm (.433 in)

(8) 7T-2674 Spring:

Length under test force ... 27.5 mm (1.08 in)

Test Force ... 2.45 ± 0.08 N (.551 ± .018 lb)

Free length after test ... 34 mm (1.3 in)

Outside diameter ... 10.3 mm (.41 in)

Later Control Valve Without Adapter Between Control Valve And Transmission
109-6401, 109-6402

(1) 7T-3129 Spring for torque converter inlet relief valve:

Length under test force ... 23.7 mm (.93 in)

Test Force ... 33 N (7.4 lb)

Free length after test ... 39.1 mm (1.54 in)

Outside diameter ... 11 mm (.433 in)

(2) 8E-9322 Spring for neutralizer spool:

Length under test force ... 21.3 mm (.84 in)

Test Force ... 8 N (1.8 lb)

Free length after test ... 34 mm (1.34 in)

Outside diameter ... 10.3 mm (.41 in)

(3) 7T-2681 Spring relief valve:

Length under test force ... 34 mm (1.34 in)

Test Force ... 30.11 ± 0.88 N (6.769 ± .198 lb)

Free length after test ... 87 mm (3.43 in)

Outside diameter ... 12 mm (.472 in)

(4) 7T-2676 Spring for load piston (inner):

Length under test force ... 31 mm (1.22 in)

Test Force ... 49.0 ± 1.47 N (11.025 ± .068 lb)

Free length after test ... 52 mm (2.05 in)

Outside diameter ... 13 mm (.51 in)

(5) 107-3787 Spring for load piston (outer):

Length under test force ... 37 mm (1.46 in)

Test Force ... 233.4 N (52.45 lb)

Free length after test ... 49 mm (1.9 in)

Outside diameter ... 20.2 mm (.80 in)

(6) 6Y-4762 Spring for detent:

Length under test force ... 18.9 mm (.74 in)

Test Force ... 62.7 ± 1.5 N (14.10 ± .33 lb)

Free length after test ... 24.7 mm (.97 in)

Outside diameter ... 8 mm (.31 in)

(7) Orifice:

2-WD orifice diameter ... 10 mm (.4 in)

AWD orifice diameter ... 6.2 mm (.24 in)

Caterpillar Information System:

416B, 426B, 428B, 436B, & 438B BACKHOE LOADER TRANSMISSION Transmission 9W-7920, 8E-7681, 9U-9495
416B, 426B, 428B, 436B, & 438B BACKHOE LOADER TRANSMISSION Torque Converter 8E-0735
416B, 426B, 428B, 436B, & 438B BACKHOE LOADER TRANSMISSION Introduction
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Engine, Torque Converter And Transmission
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Front Drive Transfer Gear Box (428B)
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Front Axle Housing Assembly (428B)
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Front And Rear Drive Axle Shafts (428B)
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Front Axle Housing Assembly (Standard)
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Front Axle (Standard)
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Transmission
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Torque Converter
416B, 426B, 428B, 436B & 438B BACKHOE LOADERS POWER TRAIN Transmission And Torque Converter
416B, 426B, 428B, 436B, & 438B BACKHOE LOADER TRANSMISSION Front Drive Transfer Box
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS DIFFERENTIAL, Rear Axle Assembly
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS DIFFERENTIAL, Brake Linkage
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS DIFFERENTIAL, Systems Operation
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS DIFFERENTIAL, Testing & Adjusting
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS TRANSMISSION Systems Operation
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS TRANSMISSION Testing And Adjusting
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS STEERING SYST Introduction
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS STEERING SYST Steering Cylinder
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS STEERING SYST Steering Control Group
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS STEERING SYST Metering Pump (Steering)
416B, 426B, 428B, 436B, & 438B BACKHOE LOADERS STEERING SYST Priority Flow Divider Valve Group
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