Function Manifold Components - Dc Models (Before Serial Number T5000-91) - Genie TMZ-50/30 Service Manual

Section 4 • Repair Procedures
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MANIFOLDS
9-7
Function Manifold Components -
DC Models (before serial number T5000-91)
The function manifold is located under the function manifold side cover.
Index
No. Description
— Coil nut (items GD, GE, GF, GG,
GH, GI, GL, GM and GO) ....................................................................................................... 4-5 ft-lbs / 5-7 Nm
1 Diagnostic nipple ................................ GA ......... Testing
2 Flow regulator valve
0.6 gpm / 2.27 L/min ........................... GB ......... Turntable rotate circuit ...................... 18-20 ft-lbs / 24-27 Nm
3 Orifice - Plug, 0.025 inch / 0.64 mm ... GC ......... Turntable rotate circuit
4 Solenoid valve, 2 position 3 way ........ GD ......... Primary boom extension ................... 18-20 ft-lbs / 24-27 Nm
5 Solenoid valve, 2 position 3 way
with manual over ride ......................... GE ......... Primary boom retract ........................ 18-20 ft-lbs / 24-27 Nm
6 Solenoid valve, 3 position 4 way
with manual over ride ......................... GF ......... Jib boom up/down ............................. 18-20 ft-lbs / 24-27 Nm
7 Solenoid valve, 3 position 4 way
with manual over ride ......................... GG ......... Primary (upper) boom up/down ........ 18-20 ft-lbs / 24-27 Nm
8 Solenoid valve, 3 position 4 way
with manual over ride ......................... GH ......... Secondary (lower) boom up/down .... 18-20 ft-lbs / 24-27 Nm
9 Solenoid valve, 2 position 3 way ......... GI .......... Regenerative circuit for outriggers .... 18-20 ft-lbs / 24-27 Nm
10 Counterbalance valve ........................ GJ ......... Platform level up ............................... 30-35 ft-lbs / 41-47 Nm
11 Shuttle valve ....................................... GK ......... Turntable rotate brake circuit .................... 4-5 ft-lbs / 5-7 Nm
12 Solenoid valve, 3 position 4 way ........ GL ......... Outriggers up/down .......................... 18-20 ft-lbs / 24-27 Nm
13 Solenoid valve, 3 position 4 way ........ GM ......... Platform level up/down ..................... 18-20 ft-lbs / 24-27 Nm
14 Counterbalance valve ........................ GN ......... Platform level down .......................... 30-35 ft-lbs / 41-47 Nm
15 Solenoid valve, 3 position 4 way
with manual over ride ......................... GO ......... Turntable rotate left/right ................... 18-20 ft-lbs / 24-27 Nm
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 specification.
3 If required, install the valve coil(s) onto the
valve stem. Install the coil nut onto the valve
stem and torque to specification.
4 - 54
Schematic
Item Function
TMZ-50/30
June 2005
REV B
Torque
Part No. 65162