D7R Series II Track-Type Tractor Hydraulic System Caterpillar

Illustration 1	g00739912

(1) Torque for shuttle valve ... 32 ± 5 N·m (24 ± 4 lb ft)

(2) Torque for plug ... 10 ± 2 N·m (90 ± 20 lb in)

(3) 4T-1701 Spring

Length under test force ... 59 mm (2.32 inch)

Test force ... 108 ± 5 N (24.3 ± 1.1 lb)

Free length after test ... 64.70 mm (2.55 inch)

Outside diameter ... 21.0 mm (0.83 inch)

(4) Use shims, as needed.

(5) Torque for two bolts ... 20 ± 3 N·m (180 ± 24 lb in)

(6) Torque for orifice ... 7 ± 3 N·m (62 ± 27 lb in)

(7) Torque for plugs ... 145 ± 15 N·m (105 ± 10 lb ft)

(8) 153-6976 Spring (Outer)

Length under test force ... 54 mm (2.13 inch)

Test force ... 0 N (0 lb)

Free length after test ... 54 mm (2.13 inch)

Outside diameter ... 39 mm (1.54 inch)

(9) 4T-4631 Spring (Inner)

Length under test force ... 40 mm (1.58 inch)

Test force ... 67.6 ± 5.4 N (15.2 ± 1.2 lb)

Free length after test ... 51.8 mm (2.039 inch)

Outside diameter ... 24.8 mm (0.976 inch)

(10) As needed, use shims to obtain the following gap between the spring and the retainer: ... 2.0 mm (0.0787 inch)

(11) Torque for two bolts ... 20 ± 3 N·m (15 ± 2 lb ft)

(12) Torque for plug ... 160 ± 15 N·m (118 ± 11 lb ft)

(13) 2S-2596 Spring

Length under test force ... 7.9 mm (0.31 inch)

Test force ... 4.23 ± 0.34 N (0.950 ± 0.076 lb)

Free length after test ... 33.3 mm (1.31 inch)

Outside diameter ... 8.43 mm (0.332 inch)