Upright TM12 Service Manual

Electric Schematic Section 4 - Schematics
Page 4-2 107099-002 TM12 Work Platform
4-1 E LECTRIC S CHEMATIC
Legend:
107016-001 Electric Schematic
DESIGNATION NAME FUNCTION LOCATION
ALM Alarm Provides warning sound Chassis Controls
BAT Batteries Provides power to work platform Battery Tray
CHG Battery Charger Charges battery Chassis
F1
5 AMP Circuit
Breaker
Electrical overload protection Chassis Controls
F2 175 AMP Fuse Overload protection for electric motor Chassis
HM Hour Meter
Indicates hours of use and low battery
voltage.
Chassis
I/O I/O Board
Connection point for machine
function wiring
Chassis
MC Motor Control Controls the speed of electric motor Chassis
MOT Motor Provides power to hydraulic pump Chassis
R1 Motor Relay
Controls the speed of the electric
motor
Chassis
S1
Chassis
Emergency
Stop Switch
Shuts down all machine functions Chassis Controls
S2
Chassis Lift
Switch
Elevates platform Chassis Controls
S3
Chassis Key
Switch
Allows some machine functions to be
initiated from ground level
Chassis Controls
S4
Proximity
Switch
Provides high speed cutout Chassis
S5
Lift/Drive
Selector Switch
Activates lift or drive functions Platform Controls
S6
Platform
Emergency
Stop Switch
Shuts down all machine functions Platform Controls
S7
Interlock
Switch
Safety mechanism for PQ Control
Handle
Platform Controls
S8
PQ Control
Handle
Proportionally controls the drive and
lift functions
Platform Controls
S9
Platform
Steering Switch
(2)
Control left and right steering
solenoids
Platform Controls
SNSR Tilt Sensor Activates tilt alarm Chassis
SOL1
Steering
Solenoid (right)
Shifts steering valve to the left
Hydraulic
Manifold
SOL2
Steering
Solenoid (left)
Shifts steering valve to the right
Hydraulic
Manifold
SOL3
Platform Lift
Solenoid
Raises platform
Hydraulic
Manifold
SOL4
Reverse
Solenoid
Shifts forward/reverse valve to
reverse
Hydraulic
Manifold
SOL5
Forward
Solenoid
Shifts forward/reverse valve to
forward
Hyraulic Manifold
SOL6
Depression
Mechanism
Extension
Solenoid
Extends depression mechanism bars
Hydraulic
Manifold
SOL7 Down Solenoid Lowers platform Lift Cylinder
SOL8 &
SOL9
Depression
Mechanism
Retraction
Solenoid
Retracts depression mechanism bars
Depression
Mechanism
cylinder
S5 - S9
S1 - S3
F1
ALM
HM
F2
I/O
CHG
MOT
Chassis
Upper Controller
Controls
Battery Tray
Assembly
MC
SNSR
S4
R1

Upright TM12 Specifications

General

Brand	Upright
Model	TM12
Category	Lifting Systems
Language	English