Electrical Schematics - Upright ULII-25 Service & Parts Manual

Section
6.1

6.1 Electrical Schematics

Table 6-1: Electrical Schematic Legend AC
REFERENCE
DESIGNATION NAME
BR Bridge Rectifier
C1-4 Relay Contacts
Norm. Open for
R1-4.
L1-4 Indicator Light
M1 Electric Motor
R1-4 Relay Coil
R5 Motor Contactor
S1 Switch, Chassis
Emergency Stop
S2 Switch, Key
S3 Switch, Platform
Emegency Stop
S4 Switch. Power
On
S5 Switch, Lift
S6 Switch, Lower
S7-10 Switch, Outrigger
Interlock
SOL1 Solenoid, Lower
(coil)
SOL2 Solenoid, Lift
(coil)
T1 Transformer
6-2
Schematics
FUNCTION LOCATION
Converts AC to DC In Control Box.
for control circuit.
Completes ground In Control Box.
circuit to motor
and Lift Valve
when R1-4 are
energized.
Lights when Outrigger On chassis next to
Interlock Switches Outrigger socket.
are closed.
Supplies power to Upper portion of
drive hydraulic Power Unit.
pump.
When energized In Control Box.
closes relay contacts
1-4.
Switches power to In Control Box.
Electric Motor.
Control circuit In Control Box.
shut off.
Provides power to In Control Box.
upper controls.
Control Circuit In Control Box.
shut off.
Supplies power to Center button of
either Up or Down platform controls.
Switch.
Supplies power to Upper button of
up circuit. platform controls.
Supplies power to Lower button of
down circuit. platform controls.
Supplies power to In Outrigger Sockets.
L1-L4 and R1-R4.
Opens down valve. Power Unit front.
Opens Up Valve. Power Unit left
hand side.
Steps down AC Inside electrical
voltage. Control Box.
Table 6-2: Electrical Schematic Legend DC
REFERENCE
DESIGNATION NAME
BAT Battery
CH Charger
C1-4 Relay Contacts
Norm. Open for
R1-4.
L1-4 Indicator Light
M1 Electric Motor
R1-4 Relay Coil
R5 Relay, Motor
S1 Switch, Chassis
Emergency Stop
S2 Switch, Key
S3 Switch, Platform
Emegency Stop
S4 Switch. Power
On
S5 Switch, Lift
S6 Switch, Lower
S7-10 Switch, Outrigger
Interlock
SOL1 Solenoid, Lower
(coil)
SOL2 Solenoid, Lift
(coil)
UL-25/32/40/48 Portable Personnel Lifts
FUNCTION LOCATION
Supplies current to In Power Module.
circuit.
Maintains Charge In Power Module.
level in Battery.
Completes ground In Control Box.
circuit to motor
and Lift Valve
when R1-4 are
energized.
Lights when Outrigger On chassis next to
Interlock Switches Outrigger socket.
are closed.
Supplies power to Upper portion of
drive hydraulic Power Unit.
pump.
When energized In Control Box.
closes relay contacts
1-4.
Supplies power to Lower Power Module.
Motor.
Control circuit In Control Box.
shut off.
Provides power to In Control Box.
upper controls.
Control Circuit In Control Box.
shut off.
Supplies power to Center button of
either Up or Down platform controls.
Switch.
Supplies power to Upper button of
up circuit. platform controls.
Supplies power to Lower button of
down circuit. platform controls.
Supplies power to In Outrigger Sockets.
L1-L4 and R1-R4.
Opens down valve. Power Unit front.
Opens Up Valve. Power Unit left
hand side.