Upright LX31 Service & Parts Manual

Schematics
Section
LX 31/41 Work Platform 6-21
Figure 6-10: Electrical Schematic, Two Wheel Drive Diesel Model w/ Outriggers (After Serial Number 1330)
6.1
Table 6-11: (cont.)
REFERENCE
DESIGNATION NAME FUNCTION LOCATION
S9 Ignition Switch Supplies power to upper Upper control box,
controls, engine, and right side.
starter motor solenoid.
S10 Glow Plug Switch Supplies power to glow Upper control box,
plug relay. left side.
S11 Emergency Stop Cuts power to upper Upper control box,
Switch controls and engine. to the left of joystick.
S12 Engine Stop Switch Cuts power to ignition Lower control box,
module, and fuel shut-off in panel second from
solenoid. top, second from right.
S13 Starter Switch Supplies power to starter Lower control box, in
motor solenoid. panel, top, second
from right.
S15 Emergency Stop Cuts power to lower Lower control box, in
Switch controls and engine. panel, top, first from left.
S16 Chassis / Platform Supplies power to either Lower control box, in
Switch upper or lower controls. panel, second from top,
second from left.
S17 Down Switch Supplies power to down Lower control box, in
relay. panel, third from top,
first from left.
S18 Lift Switch Supplies power to up Lower control box, in
relay. panel, second from top,
first from left.
S19 Throttle Switch Supplies power to throttle Lower control box, in
relay. panel, top, first from
right.
S20 Glow Plug Switch Supplies power to glow Lower control box, in
plug relay. panel, second from top,
first from right.
S22-25 Outrigger Extend / Supplies power to outrigger Upper control box.
Retract Switches extend / retract relays.
S26-29 Drive Interlock Completes ground circuit Outrigger cylinders.
Switches to drive relay when all
outriggers are retracted.
SEN1 Level Sensor Provides power to cutout Control module.
relay when machine is level.
SOL1 Throtttle Solenoid Controls engine throttle. Power module, engine,
right side.
SOL2 Run Solenoid Controls fuel valve. Power module, engine,
on injection pump.
SOL5 Proportional Solenoid Controls proportional Right side of manifold,
valve. port marked 'G'.
SOL6 Forward Solenoid Controls forward valve. Right side of valve
manifold, port marked 'K'.
SOL7 Reverse Solenoid Controls reverse valve. Right side of manifold,
port marked 'L'.
SOL8 Lift Solenoid. Controls lift valve. Right side of manifold,
port marked 'J'.
SOL10 Series / Parallel Solenoid Controls series / parallel Front side of manifold,
(two) valves. ports marked 'Q' & 'R'.
SOL12 Down Solenoid Controls down valve. Lift cylinder, lower end.
SOL13 Steer Right Solenoid Controls steer valve when Top of manifold, on
steering right. steer valve.
SOL14 Steer Left Solenoid Controls steer valve when Top of manifold, on
steering left. steer valve.
SOL17 OutriggerExtend Solenoid Controls Extend Outrigger valve manifold.
Left Hand Front Valve.
SOL18 Outrigger Retract Solenoid Controls Retract Valve. Outrigger valve manifold.
Left Hand Front
SOL19 OutriggerExtend Solenoid Controls Retract Valve. Outrigger valve manifold.
Left Hand Aft
SOL20 Outrigger Retract Solenoid Controls Retract Valve. Outrigger valve manifold.
Left Hand Aft
SOL21 OutriggerExtend Solenoid Controls Retract Valve. Outrigger valve manifold.
Right Hand Aft
SOL22 Outrigger Retract Solenoid Controls Retract Valve. Outrigger valve manifold.
Right Hand Aft
SOL23 OutriggerExtend Solenoid Controls Retract Valve. Outrigger valve manifold.
Right Hand Front
SOL24 Outrigger Retract Solenoid Controls Retract Valve. Outrigger valve manifold.
Right Hand Front
Note: See figure 6-17 for relay, terminal strip locations.

Upright LX31 Specifications

General

Brand	Upright
Model	LX31
Category	Lifting Systems
Language	English