August 2021 Service and Repair Manual
Manifolds
Part No. 1309020GT GS
â„¢
-30m • 32m • 30 • 32 • 46 • 55 55
5-8
Function Manifold Components – Models with hydraulic drive,
GS-2032, GS-2632
The function manifold is mounted behind an inspection door, at the ground control side of the machine.
Note: 'alpha-numeric' callouts refer to corresponding notes on the electrical schematic.
Index No. Description
Schematic
Item
Function Torque
—
AC —
4-5 ft-lbs / 5-
—
AE, AG, AI —
5-7 ft-lbs / 7-
Relief valve, 3700 psi / 255 bar
20 ft-
3
3 position 4 way AC Steer left/right
25 ft-
4
AK Lift circuit
23 ft-
5
AD Steer circuit
18 ft-
6
2 position 4 way AE
Drive speed
select circuit
25 ft-
7
0 psi / 3,4 bar AF Brake release
20 ft-
8
3 position 5 way AG
Drive
forward/reverse
25 ft-
Flow regulator and relief valve,
0.7
5 gpm / 2,8 L/min, 1500 psi / 103 bar
26 ft-
10
2 position 4 way AI Platform up
11
0 to 3700 psi / 124 to
5 bar
AJ Lift relief
20 ft-
How to Install a Valve Cartridge
1 Dip the cartridge in clean oil to lube the O-rings.
2 Screw the cartridge in by hand until the top O-ring is met, then torque to specifications.
3 If required, install the valve coil(s) onto the valve stem. Install the coil nut onto the valve stem and
torque to specifications.