561M Pipelayer Transmission Selector and Pressure Control Valve - Power Shift Caterpillar


Transmission Selector and Pressure Control Valve - Power Shift
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Illustration 1g00100850

(1) 4M-2381 Spring

Test length ... 12.2 mm (0.48 inch)
Test force ... 2.30 ± 0.18 N (0.517 ± 0.041 lb)
Free length after test ... 22.6 mm (0.89 inch)
Outside diameter ... 7.62 mm (0.300 inch)

(2) 7G-4842 Spring (Outer with two red stripes)

First test:

Test length ... 62.5 mm (2.46 inch)
Test force ... 32.3 ± 1.6 N (7.26 ± 0.36 lb)

Second test:

Test length ... 36.3 mm (1.43 inch)
Test force ... 174.6 ± 5.9 N (39.28 ± 1.33 lb)
Free length after test ... 68.45 (2.695 inch)
Outside diameter ... 27.79 mm (1.094 inch)

(3) 9P-3041 Spring (Inner with two red stripes)

First test:

Test length ... 110.0 mm (4.33 inch)
Test force ... 72.6 ± 3.6 N (16.32 ± 0.81 lb)

Second test:

Test length ... 85.5 mm (3.37 inch)
Test force ... 312.9± 10.8 N (70.40 ± 2.43 lb)
Free length after test ... 117.40 mm (4.622 inch)
Outside diameter ... 21.21 mm (0.835 inch)

(4) 5M-9622 Spacer

Thickness of one spacer ... 1.60 mm (0.063 inch)
Outside diameter ... 20.62 ± 0.25 mm (0.812 ± 0.010 inch)
One spacer will change pressure approximately. ... 98 kPa (14.2 psi)

(4) 5M-9623 Spacer

Thickness of one spacer ... 90.0 mm (0.04 inch)
Outside diameter ... 20.62 ± 0.25 mm (0.812 ± 0.010 inch)
One spacer will change pressure approximately. ... 57 kPa (8.2 psi)

(4) 5M-9624 Spacer

Thickness of one spacer ... 0.25 mm (0.010 inch)
Outside diameter ... 20.62 ± 0.25 mm (0.812 ± 0.010 inch)
One spacer will change pressure approximately. ... 16 kPa (2.3 psi)

(5) Torque for three bolts ... 30 ± 7 N·m (22 ± 5 lb ft)

(6) 6P-9785 Spring ( With a yellow stripe)

Test length ... 19.48 mm (0.767 inch)
Test force ... 23.5 ± 1.2 N (5.28 ± 0.27 lb)
Free length after test ... 32.00 mm (1.260 inch)
Outside diameter ... 14.83 mm (0.584 inch)

(7) 6P-9783 Spring ( Inner with a yellow stripe)

Test length ... 56.39 mm (2.220 inch)
Test force ... 62 ± 3 N (13.9 ± 0.7 lb)
Free length after test ... 88.60 mm (3.488 inch)
Outside diameter ... 11.02 mm (0.434 inch)

(8) 6P-9784 Spring ( Outer with a yellow stripe)

Test length ... 56.39 mm (2.220 inch)
Test force ... 130 ± 7 N (29.3 ± 1.5 lb)
Free length after test ... 88.60 mm (3.488 inch)
Outside diameter ... 16.26 mm (0.640 inch)

(9) Torque for one setscrew ... 4.0 ± 0.5 N·m (36.0 ± 4.5 lb in)




Illustration 2g00100851

(10) 7S-4607 Detent Assembly (There are four detent assemblies.)

(A) Maximum free length ... 30.86 mm (1.215 inch)

(B) Applied force of 32 ± 3 N (7.2 ± 0.7 lb) should hold the ball at the following position ... 29.97 mm (1.180 inch)

(C) Applied force of 45 ± 4 N (10.1 ± 1.0 lb) should hold the ball at the following position. ... 27.69 mm (1.090 inch)

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