Lower - prime mover smx45 Master Service Manual

Pressure Oil
Return Oil
B+ Circuit
B- Circuit
Signal
Pre-Charge Voltage
© BT Prime-Mover, Inc.
Return

1.8. Lower

When the lower button is pressed, the transistor controller
provides a negative pin J5-4 to the main contactor coil (K10),
closing the main contactor (K10) to the main contactor relay
(K4). The main contactor relay (K4) provides battery voltage
to the positive side of lowering valve coil (Y10). The transistor
controller provides a negative pin J5-2 to the lowering valve
coil (Y10), opening the hydraulic lowering valve.
Symbol Designation
A1 Drive Transistor Controller
A2 Electronic Tiller Arm Card Transistor Controller
F50 Keypad/Tiller Arm Circuit Fuse
F51 Main Control Fuse
H1 Horn
J11 Handle Stem Base Wire Connection
J41 Service Key (CAN) Wire Connection
K4 Main Contactor Relay
K10 Main Contactor
K30 Pump Motor Solenoid
Master Service Manual
F-code Section
PT S5.0
Electrical Functions
Version no T-code
002 SMX
Symbol
M1 Drive Motor
M3 Pump Motor
S18-1 Horn Switch
S18-2 Horn Switch
S21 Main ON/OFF Switch
S24 Arm Angle (A) Switch
S25 Arm Angle (B) Switch
S36 Lift Limit Switch
Y1 Brake Coil
Y10 Lower Valve Coil
2006-12-12
C-code
5000
Designation
155