Manifolds; 7-1 Function Manifold Components - Genie Z-40/23N Service And Repair Manual

Service and Repair Manual

Manifolds

7-1 Function Manifold Components

The function manifold is located behind the ground controls turntable cover.
Index
Description
No.
— Coil nut
1 Proportional solenoid valve,
3 position 4 way
2 Orifice, 0.046 inch / 1.17 mm
3 Proportional solenoid valve,
3 position 4 way
4 Proportional solenoid valve,
3 position 4 way
5 Proportional solenoid valve,
3 position 4 way
6 Relief valve, 2100 psi / 145 bar
7 Pressure compensator valve,80 psi /
5.5 bar
8 Proportional solenoid
valve,3 position 4 way
9 Shuttle valve
10 Counterbalance valve,1000 psi /
70 bar
11 Proportional relief valve,50 to
3000 psi / 3 to 207 bar
12 Needle valve
13 Check valve, 4 psi / 0.3 bar
14 Check valve, 25 psi / 1.7 bar
15 Check valve, 4 psi / 0.3 bar
16 Shuttle valve
17 Check valve, dual pilot
18 Check valve, 25 psi / 1.7 bar
19 Relief valve, 2500 psi / 172 bar
20 Solenoid valve, 3 position 4 way
52
Schematic
Function
Item
BU Primary boom extend/retract
BM Secondary boom down
BS Primary boom up/down
BC Steer left/right
BN Secondary boom up/down
BP Secondary boom down
BL Turntable rotate circuit
BK Turntable rotate left/right
BJ Turntable rotate circuit
BT Primary boom down
BW System relief
BH Primary level up/down
BA Prevents oil from draining from
turntable rotate circuit back to tank
BX System relief valve circuit
BY Prevents oil from draining out of
jib/rotate manifold back to tank
BF Platform level
BE Platform level
BB Prevents oil from draining out of
manifold
BD Platform level relief
BG Platform level up/down
Z-40/23N, Z-40/23N RJ
September 2016
Torque
4-5 ft-lbs / 5-7 Nm
16-20 ft-lbs / 24-27
Nm
16-20 ft-lbs / 24-27
Nm
16-20 ft-lbs / 24-27
Nm
18-20 ft-lbs / 25-27
Nm
18-20 ft-lbs / 25-27
Nm
25-25 ft-lbs / 34-36.7
Nm
18-20 ft-lbs / 25-27
Nm
4-5 ft-lbs / 5-7 Nm
44-52 ft-lbs / 60-70
Nm
18-20 ft-lbs / 25-27
Nm
18-20 ft-lbs / 25-27
Nm
20 ft-lbs / 27 Nm
18-20 ft-lbs / 25-27
Nm
18-20 ft-lbs / 25-27
Nm
18-20 ft-lbs / 25-27
Nm
20 ft-lbs / 27 Nm
18-20 ft-lbs / 25-27
Nm
18-20 ft-lbs / 25-27
Nm
16-20 ft-lbs / 24-27
Nm
Part No. 1268528