930G Wheel Loader Hydraulic System Caterpillar

Illustration 1	g01093815

(1) Drain port

(2) Torque for the shuttle valve ... 16 ± 3 N·m (12 ± 2 lb ft)

(3) Outlet for the load sensing circuit

(4) Optional position for the pump gauge port

(5) Torque for the check valve group ... 70 ± 7 N·m (52 ± 5 lb ft)

(6) The 3T-8236 Spring in the purge valve

Length under test force ... 16.92 mm (0.666 inch)

Test force ... 66.5 ± 5.0 N (14.9 ± 1.1 lb)

Free length after test ... 20.53 mm (0.808 inch)

Outside diameter ... 6.06 mm (0.239 inch)

Torque for the purge valve ... 70 ± 7 N·m (52 ± 5 lb ft)

(7) Pump port

(8) Optional position for the gauge port for the tank

(9) Tank port

(10) Pilot pressure port

Illustration 2	g01093807

(11) Torque for the four plugs ... 215 ± 20 N·m (159 ± 15 lb ft)

(12) Torque for the four shuttle valve ... 16 ± 3 N·m (12 ± 2 lb ft)

(13) Port for the open or raise circuit of the auxiliary valve

(14) Port for the close or lower circuit of the auxiliary valve

(15) Port to the head end of the lift cylinder

(16) Port to the rod end of the lift cylinder

(17) Port to the rod end of the tilt cylinder

(18) Port to the head end of the tilt cylinder

(19) Torque for the Reducing Valve Group (Signal Duplication) ... 50 ± 6 N·m (37 ± 4 lb ft)

Illustration 3	g01093819

(20) 251-9918 Relief Valve

Pressure setting at a flow rate of 19 L/min (5 US gpm) ... 27600 ± 350 kPa (4000 ± 50 psi)

Torque for the relief valve ... 65 ± 7 N·m (48 ± 5 lb ft)

(21) Torque for the plug ... 65 ± 7 N·m (48 ± 5 lb ft)

(22) Torque for the check valve ... 100 ± 10 N·m (74 ± 7 lb ft)

(23) 251-4686 Relief Valve

Pressure setting at a flow rate of 38 L/min (10 US gpm) ... 23100 kPa (3350 psi)

Torque for the relief valve ... 40 ± 5 N·m (30 ± 4 lb ft)

(24) Inlet port for the load sensing circuit

(25) Torque for the plug ... 190 ± 19 N·m (140 ± 14 lb ft)

(26) Pilot port for the open or raise circuit of the auxiliary valve

(27) Pilot port for the head end of the lift cylinder

(28) Pilot port for the rod end of the tilt cylinder

Illustration 4	g01093831

(29) Torque for the four bolts ... 110 ± 8 N·m (80 ± 6 lb ft)

Illustration 5	g01093828

(30) Port for the pilot oil accumulator

(31) 294-9505 Pressure Reducing Valve

Pressure setting at a flow rate of 4 L/min (1.1 US gpm) ... 2600 ± 170 kPa (377 ± 25 psi)

Torque for the pressure reducing valve ... 50 ± 5 N·m (37 ± 4 lb ft)

Sensitivity per revolution ... 515 kPa (75 psi)

(32) Torque for the plug ... 65 ± 7 N·m (48 ± 5 lb ft)

(33) 251-9918 Relief Valve

Pressure setting at a flow rate of 19 L/min (5 US gpm) ... 27600 ± 350 kPa (4000 ± 50 psi)

Torque for the relief valve ... 65 ± 7 N·m (48 ± 5 lb ft)

(34) Torque for the plug ... 190 ± 19 N·m (140 ± 14 lb ft)

(35) 225-0300 Solenoid Valve Gp

Maximum pressure ... 5168 kPa (750 psi)

Operating temperature range ... -40 °C to 121 °C (-40 °F to 250 °F)

Operating temperature range for the hydraulic oil ... -40 °C to 121 °C (-40 °F to 250 °F)

Nominal voltage ... 24 VDC

Minimum voltage for actuation with a temperature of 25 °C (77 °F) ... 18 VDC

Maximum voltage at the maximum temperature and the maximum hydraulic oil temperature ... 28.5 VDC

(36) Pilot port for the head end of the tilt cylinder

(37) Pilot port for the rod end of the lift cylinder

(38) Pilot port for the close or lower circuit of the auxiliary valves

Illustration 6	g01108530
238-4832 Tilt Control Valve

(39) Torque for the nut ... 61 ± 6 N·m (45 ± 4 lb ft)

(40) Torque for the cap ... 95 ± 10 N·m (70 ± 7 lb ft)

(41) 240-6017 Spring

Length under test force ... 27 mm (1.1 inch)

Test force ... 20.0 ± 1.4 N (4.5 ± 0.3 lb)

Free length after test ... 43 mm (1.7 inch)

Outside diameter ... 16 mm (0.6 inch)

(42) 2W-1776 Spring

Length under test force ... 24 mm (0.9 inch)

Test force ... 3.64 ± 0.40 N (0.82 ± 0.09 lb)

Free length after test ... 29.2 mm (1.15 inch)

Outside diameter ... 11.43 mm (0.450 inch)

(43) 240-1865 Spring

Length under test force ... 43.5 mm (1.71 inch)

Test force ... 70.5 ± 6.0 N (15.8 ± 1.3 lb)

Free length after test ... 47.42 mm (1.867 inch)

Outside diameter ... 15.25 mm (0.600 inch)

(44) 240-1863 Spring

Length under test force ... 41.5 mm (1.63 inch)

Test force ... 149.5 ± 15.0 N (33.6 ± 3.4 lb)

Free length after test ... 44.75 mm (1.762 inch)

Outside diameter ... 23.8 mm (0.94 inch)

Illustration 7	g01108531
239-9515 Lift Control Valve

(45) 240-6017 Spring

Length under test force ... 27 mm (1.1 inch)

Test force ... 20.0 ± 1.4 N (4.5 ± 0.3 lb)

Free length after test ... 43 mm (1.7 inch)

Outside diameter ... 16 mm (0.6 inch)

(46) 2W-1776 Spring

Length under test force ... 24 mm (0.9 inch)

Test force ... 3.64 ± 0.40 N (0.82 ± 0.09 lb)

Free length after test ... 29.2 mm (1.15 inch)

Outside diameter ... 11.43 mm (0.450 inch)

(47) 240-1865 Spring

Length under test force ... 43.5 mm (1.71 inch)

Test force ... 70.5 ± 6.0 N (15.8 ± 1.3 lb)

Free length after test ... 47.42 mm (1.867 inch)

Outside diameter ... 15.25 mm (0.600 inch)

(48) 240-1863 Spring

Length under test force ... 41.5 mm (1.63 inch)

Test force ... 149.5 ± 15.0 N (33.6 ± 3.4 lb)

Free length after test ... 44.75 mm (1.762 inch)

Outside diameter ... 23.8 mm (0.94 inch)

Illustration 8	g01108532
240-9590 Auxiliary Control Valve

(49) Torque for the nut ... 61 ± 6 N·m (45 ± 4 lb ft)

(50) Torque for the cap ... 95 ± 10 N·m (70 ± 7 lb ft)

(51) 240-6017 Spring

Length under test force ... 27 mm (1.1 inch)

Test force ... 20.0 ± 1.4 N (4.5 ± 0.3 lb)

Free length after test ... 43 mm (1.7 inch)

Outside diameter ... 16 mm (0.6 inch)

(52) 2W-1776 Spring

Length under test force ... 24 mm (0.9 inch)

Test force ... 3.64 ± 0.40 N (0.82 ± 0.09 lb)

Free length after test ... 29.2 mm (1.15 inch)

Outside diameter ... 11.43 mm (0.450 inch)

(53) 240-1865 Spring

Length under test force ... 43.5 mm (1.71 inch)

Test force ... 70.5 ± 6.0 N (15.8 ± 1.3 lb)

Free length after test ... 47.42 mm (1.867 inch)

Outside diameter ... 15.25 mm (0.600 inch)

(54) 240-1863 Spring

Length under test force ... 41.5 mm (1.63 inch)

Test force ... 149.5 ± 15.0 N (33.6 ± 3.4 lb)

Free length after test ... 44.75 mm (1.762 inch)

Outside diameter ... 23.8 mm (0.94 inch)

Illustration 9	g01108533
254-5630 Auxiliary Control Valve

(55) Torque for the nut ... 61 ± 6 N·m (45 ± 4 lb ft)

(56) Torque for the cap ... 95 ± 10 N·m (70 ± 7 lb ft)

(57) 240-6017 Spring

Length under test force ... 27 mm (1.1 inch)

Test force ... 20.0 ± 1.4 N (4.5 ± 0.3 lb)

Free length after test ... 43 mm (1.7 inch)

Outside diameter ... 16 mm (0.6 inch)

(58) 2W-1776 Spring

Length under test force ... 24 mm (0.9 inch)

Test force ... 3.64 ± 0.40 N (0.82 ± 0.09 lb)

Free length after test ... 29.2 mm (1.15 inch)

Outside diameter ... 11.43 mm (0.450 inch)

(59) 240-1865 Spring

Length under test force ... 43.5 mm (1.71 inch)

Test force ... 70.5 ± 6.0 N (15.8 ± 1.3 lb)

Free length after test ... 47.42 mm (1.867 inch)

Outside diameter ... 15.25 mm (0.600 inch)

(60) 240-1863 Spring

Length under test force ... 41.5 mm (1.63 inch)

Test force ... 149.5 ± 15.0 N (33.6 ± 3.4 lb)

Free length after test ... 44.75 mm (1.762 inch)

Outside diameter ... 23.8 mm (0.94 inch)