CX28 On-Highway Transmission Caterpillar

Illustration 1	g03094867
Left Side View Shown with the standard sump

Note: Lubricate all bores and O-ring seals with lubricant before installing the O-rings seals.

(1) Torque for O-ring plug ... 18 ± 2 N·m (13.3 ± 1.5 lb ft)

Illustration 2	g03094937
Rear view Shown with the standard sump

Note: Lubricate all bores and O-ring seals with lubricant before installing the O-rings seals.

(2) Apply 4C-4030 Thread Lock Compound to the threads of the bolt. Torque for bolt ... 28 ± 7 N·m (21 ± 5 lb ft)

(3) Torque for O-ring plug ... 18 ± 2 N·m (13.3 ± 1.5 lb ft)

(4) Torque for O-ring plug ... 12 ± 3 N·m (8.9 ± 2.2 lb ft)

Illustration 3	g01523810
Bottom view

Note: Lubricate all bores and O-ring seals with lubricant before installing the O-rings seals.

(5) Torque for 11 O-ring plugs ... 18 ± 2 N·m (13.3 ± 1.5 lb ft)

Control Manifold

Illustration 4	g01523813

Note: Lubricate all bores and O-ring seals with lubricant before installing the O-rings seals.

(6) Torque for 15 bolts ... 10 ± 1 N·m (89 ± 9 lb in)

(6)

(7) Torque for two shoulder screws ... 14 ± 3 N·m (124 ± 27 lb in)

(8) Liquid level sensor

Input voltage ... 5 ± 0.1 VDC

Operating temperature ... −40 to +121 °C (−40 to +250 °F)

Low output signal ... 0.9 V

High output signal ... 4.5 V

(9) Torque for O-ring plug ... 74 ± 4 N·m (55 ± 3 lb ft)

(10) Temperature sensor

Tighten the two sensors to the following torque. ... 20 ± 3 N·m (15 ± 2 lb ft)

Operating temperature ... −40 to +150 °C (−40 to +302 °F)

(11) Torque for O-ring plug ... 74 ± 4 N·m (55 ± 3 lb ft)

(12) Torque for O-ring plug ... 110 ± 5 N·m (81 ± 4 lb ft)

Transmission Hydraulic Control Valve

Illustration 5	g01524044

(13) Torque for plug ... 55 ± 5 N·m (41 ± 4 lb ft)

(14) 260-3484 Spring (Main Pressure Relief)

Length under test force ... 56 mm (2.21 inch)

Test force ... 359 ± 32 N (81 ± 7 lb)

Free length after test ... 68 mm (2.68 inch)

Outside diameter ... 16.5 ± 0.15 mm (0.65 ± 0.006 inch)

(15) Torque for plug ... 55 ± 5 N·m (41 ± 4 lb ft)

(16) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

(17) 260-3485 Spring (Torque Converter Bypass)

Length under test force ... 48 mm (1.89 inch)

Test force ... 92.8 ± 8 N (20.9 ± 1.8 lb)

Free length after test ... 63 mm (2.48 inch)

Outside diameter ... 13.6 ± 0.15 mm (0.0535 ± 0.006 ft)

(18) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

(19) Torque for plug ... 55 ± 5 N·m (41 ± 4 lb ft)

(20) 260-3486 Spring (Torque Converter Outlet Relief)

Length under test force ... 56 mm (2.21 inch)

Test force ... 52 ± 3.7 N (11.7 ± 0.8 lb)

Free length after test ... 82 mm (3.23 inch)

Outside diameter ... 16.5 ± 0.2 mm (0.65 ± 0.008 inch)

(21) Torque for plug ... 55 ± 5 N·m (41 ± 4 lb ft)

(22) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

(23) 325-8591 Spring (Filter Bypass)

Length under test force ... 45 mm (1.77 inch)

Test force ... 196 ± 7.7 N (44 ± 1.73 lb)

Free length after test ... 84.2 mm (3.32 inch)

Outside diameter ... 19.25 ± 0.25 mm (0.76 ± 0.01 inch)

(24) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

(25) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

(26) 257-8649 Spring (Lube Bypass)

Length under test force ... 48 mm (1.89 inch)

Test force ... 45 ± 5 N (10.1 ± 1.1 lb)

Free length after test ... 61 mm (2.4 inch)

Outside diameter ... 13.6 ± 0.15 mm (0.535 ± 0.006 inch)

(27) Torque for plug ... 45 ± 5 N·m (33 ± 4 lb ft)

Modulating Valve

Illustration 6	g01523764

(28) Torque for stem ... 50 ± 5 N·m (37 ± 4 lb ft)

(29) Torque for nut ... 10 ± 1.5 N·m (88.5 ± 13.3 lb in)

Operating voltage ... 12 V and 24 V

Coil resistance at 25 °C (77 °F) ... 2.2 ± 0.2 Ohms

Operating temperature ... −40 to +121 °C (−40 to +250 °F)