Drive Manifold Components (After Serial Number Gs8404-40296) - Genie GS-3384 Service Manual

Section 4 • Repair Procedures
MANIFOLDS
7-4

Drive Manifold Components (after serial number GS8404-40296)

The drive manifold is located under the function manifold.
Index
No. Description
1 Flow divider/combiner valve .............. EA ......... Controls flow to flow divider/
2 Orifice - Plug, 0.043 inch / 1.1 mm .... EB ......... Balances flow from flow divider/
3 Diagnostic nipple ............................... EC ........ Testing "P2" pressure port
4 Orifice - Plug, 0.046 inch / 1.2 mm .... ED ........ Balances flow from flow divider/
5 Relief valve, 280 psi / 19.3 bar .......... EE ......... Charge pressure circuit ................................ 20 ft-lbs / 27 Nm
6 Solenoid valve, 2 position 3 way ....... EF ......... 2-speed motor shift circuit ............................ 20 ft-lbs / 27 Nm
7 Orifice - Plug, 0.035 inch / 0.9 mm .... EG ........ Brake circuit
8 Orifice - Plug, 0.045 inch / 1.1 mm .... EH ........ 2-speed motor shift circuit
9 Shuttle valve, 2 position 3 way .......... EI .......... Charge pressure circuit that
10 Solenoid valve, 2 position 3 way ....... EJ ......... Brake release circuit .................................... 20 ft-lbs / 27 Nm
11 Flow divider/combiner valve .............. EK ......... Controls flow to non-steer end
12 Flow divider/combiner valve .............. EL ......... Controls flow to steer end drive
13 Orifice - Plug, 0.090 inch / 2.3 mm .... EM ........ Balances flow from flow divider/
14 Diagnostic nipple ............................... EN ........ Testing "P1" pressure port
4 - 72
Schematic
Item Function
combiner valves ED and EL in
forward and reverse ..................................... 50 ft-lbs / 68 Nm
combiner (item EL) to front drive
motors
combiner (item ED) to rear drive
motors .......................................................... 25 ft-lbs / 34 Nm
gets hot oil out of low pressure
side of drive pump and allows
low pressure flow path for brake
release and 2-speed motor shift .................. 25 ft-lbs / 34 Nm
drive motors in forward and reverse ............ 30 ft-lbs / 41 Nm
motors in forward and reverse ..................... 30 ft-lbs / 41 Nm
combiner (item EA) to flow divider/
combiner valves ED and EL ......................... 25 ft-lbs / 34 Nm
GS-3384
September 2005
REV D
Torque
Part No. 82259