Pump Manifold Components - Models With Drive (Option) (Before Serial Number T5000-91) - Genie TMZ-50/30 Service Manual

Section 4 • Repair Procedures
800-610-4101
ActionRental.com
Manifolds
9-1
Pump Manifold Components -
Models with Drive (option) (before serial number T5000-91)
The pump manifold is located next to the function manifold under the function manifold side cover.
Index
No. Description
— Coil nut (item AA) ................................................................................................................... 4-5 ft-lbs / 5-7 Nm
— Coil nut (items AB and AC) .................................................................................................... 5-7 ft-lbs / 7-9 Nm
1 Solenoid valve, 2 position 3 way ........ AA ......... Boom function select ........................ 18-20 ft-lbs / 24-27 Nm
2 Proportional valve .............................. AB ......... Boom functions ................................. 25-27 ft-lbs / 34-36 Nm
3 Proportional valve .............................. AC ......... Drive functions .................................. 25-27 ft-lbs / 34-36 Nm
4 Check valve ........................................ AD ......... Prevents flow from DC power unit
5 Check valve ........................................ AE ......... Prevents flow from engine pump
6 Check valve ........................................ AF ......... Prevents flow from DC power unit
7 Check valve ........................................ AG ......... Prevents flow from engine pump
8 Relief valve, 3000 psi / 206.8 bar ....... AH ......... System Relief .................................... 18-20 ft-lbs / 24-27 Nm
9 Check valve ......................................... AI .......... Prevents flow from pump section #2
10 Check valve ........................................ AJ ......... Prevent flow from pump section #1
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 - 42
Schematic
Item Function
from entering port (P2) ...................... 18-20 ft-lbs / 24-27 Nm
from entering port (P4) ...................... 18-20 ft-lbs / 24-27 Nm
from entering port (P1) ...................... 18-20 ft-lbs / 24-27 Nm
from entering port (P3) ...................... 18-20 ft-lbs / 24-27 Nm
from entering pump section #1 ......... 18-20 ft-lbs / 24-27 Nm
from entering pump section #2 ......... 18-20 ft-lbs / 24-27 Nm
TMZ-50/30
June 2005
REV B
Torque
Part No. 65162