Pump engage/disengage valve, Pump engage/disengage valve -21, Pressure test port -21 – JLG 80SL Service Manual User Manual

Page 101: Proportional valve pressure adjustment -21

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SECTION 4 - HYDRAULICS

3121325

– JLG Lift –

4-21

Adjust main pressure on top of the Main Pressure Block

• remove the cap and attach a pressure gauge to pres-

sure test port (see Figure 4-38.)

• remove rubber plug from adjustment port

• pressure should be set to maximum of 210 bar (3045.8

psi). Adjust the setting screw fully in clockwise direc-
tion.(see Figure 4-39.)

Pump Engage/Disengage Valve

Figure 4-39. Proportional Valve Pressure Adjustment

Figure 4-38. Pressure Test Port

1

2

Figure 4-40. Pump Engage/Disengage Valve

1. Torque to 5 ft lbs (6.8 Nm)

2. Torque to 25 ft lbs (33.9 Nm)

• Operating Pressure: 3000 psi (207 bar)
• Voltage: 24VDC

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