JLG ERT2669, Руководство по обслуживанию и ремонту

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SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
31215923 4-13
Table 4-5. Electric Option Valve Port Identification (For ERT)
Port VALVE DESCRIPTION FUNCTION
1 Pressure Relief (Valvole Italia) MAIN RELIEF
2 Pressure Reducing/Relieving AXLE CHARGE
3 Proportional Flow Control W/ Bypass FLOW CONTROL
4 Pressure Relief (VIS Hydraulics) STEER RELIEF
5 4-3 Directional Valve STEER
6 4-2 Directional Valve LIFT ENABLE
7 Pressure Relief (VIS Hydraulics) STEER RELIEF
8 Coil -
9 Coil -
10 Temperature Sensor -
Table 4-6. Electric Option Valve Torque Specs (For ERT)
Component Functionality Resistance Valve Torque Coil Torque
1 Pressure Relief (Valvole Italia) - 40-48 ft. lbs. (55-65 Nm) -
2 Pressure Reducing/Relieving - 33-37 ft. lbs. (45-50 Nm) -
3 Proportional Flow Control W/ Bypass - 33-37 ft. lbs. (45-50 Nm) 10-12 ft. lbs. (14-16 Nm)
4 Pressure Relief (VIS Hydraulics) - 30-33 ft. lbs. (40-45 Nm) -
5 4-3 Directional Valve - 3.7 ft. lbs. (5 Nm) 2.2 ft. lbs. (3 Nm)
6 4-2 Directional Valve 5.4Ω at 20°C - -
7 Pressure Relief (VIS Hydraulics) - 30-33 ft. lbs. (40-45 Nm) -
8 Coil 8.8Ω at 20°C - -
9 Coil 4.5Ω at 20°C - -
10 Temperature Sensor - - -