Main control valve -68 – JLG 450A_AJ Series II Service Manual User Manual
Page 308
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SECTION 5 - HYDRAULICS
5-68
– JLG Lift –
3121290
Figure 5-115. Main Control Valve
1.
M2 - Proportional Main Pressure Test Port
2.
Swing Relief Valve
3.
Swing Solenoid: Bottom - Left, Top - Right
4.
Main Dump Solenoid
5.
Lift Solenoid: Bottom - Down, Top - Up
6.
Steer Solenoid: Bottom - Right, Top - Left
7.
Flow Control Solenoid
8.
Lower Lift Solenoid: Bottom - Down, Top - Up
9.
Telescope Solenoid: Bottom - In, Top - Out
10. Flow Control
11. M1 - Telescope Pressure Test Port
12. Telescope Relief Valve
13. Proportional Main Relief Valve
14. Steer Relief Valve
15. Lift Down Relief Valve
16. Check Valve
17. Check valve
18. M4 - Swing Pressure Test Port
19. M3 - Steer Pressure Test Port
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