172 ASC 110
Wiring diagram
Seat switch; Engine Tier 3; RTM MODULE; MURPHY Power view gauge (the schematic reects machine version that includes all
controlling elements and accessories)
Legend:
A1 - Clicker for direction-indicator
lights (optional)
A2 - Electronics to secure travel
A3 - Travel actuator
A4 - Multifunctional display Murphy
PV - 101
B2 - Hydraulic oil thermometer sen-
sor
B3 - Float (displacer) in fuel tank
E1 - Gauges lighting
E2,3 - Front fender lights (optional)
E4,5 - Rear lamps (optional)
E6,7 - Front headlights
E8,9 - Rear headlights
E10,11 - LH direction-indicator lights
(optional)
E12,13 - RH direction-indicator lights
(optional)
E14 - Cab lighting
E15 - Hazard beacon (optional)
F1-12 - Drop-out fuses
G1,2 - Batteries
G3 - Alternator
H1 - Pilot lamp for direction-indica-
tor lights (optional)
H2 - Horn
H3 - Backing horn (optional)
H4 - Pilot lamp for hydraulic oil level
H5 - Pilot lamp for neutral
H6 - Pilot lamp for brake
H7 - Pilot lamp for vibration preset
H8 - Pilot lamp for dierential inter-
lock
H10 - Pilot lamp for battery recharg-
ing
H11 - Pilot lamp for air lter clogged
H12 - Pilot lamp for hydraulic oil lter
clogged
H17 - Pilot lamp for glowing
K1 - Starting contactor
K2-9 - Auxiliary relays
K10 - Glowing contactor
K11 - Auxiliary relay
M1 - Engine starter
M2 - Motor for cab lifting pump
M3 - Cab ventilation fan
M4 - Front wiper
M5 - Rear wiper
M6 - Windscreen washer
M7 - Rear glass washer
M8 - Heater fan
P2 - Hydraulic oil thermometer
Q1 - Battery disconnector
R1,2,5,6 - Resistors
R3 - Engine preheating
R4 - Engine revolution control po-
tentiometer
S1 - Cab lifting double pushbutton
S2 - Bonnet lifting double pushbut-
ton
S3 - Ignition box
S4 - Front headlight switch
S5 - Rear headlight switch
S6 - Warning light switch (optional)
S7 - Direction-indicator light
change-over switch (optional)
S8 - Hazard beacon switch (optional)
S9 - Horn pushbutton
S11 - Emergency brake pushbutton
S12 - Backing horn switch (in travel
actuator)
S13 - Neutral switch (in travel actua-
tor)
S14 - Float (displacer) inside hydraulic
oil tank
S16 - Fast travel switch
S17 - Selector switch for operating
speed preset
S18 - Vibration selector switch
S19 - Vibration switch (in travel actua-
tor)
S21 - Brake pressure switch
S22 - Seat switch
S27 - Vacuum switch for air lter
clogged
S28 - Vacuum switch for hydraulic oil
lter clogged
S29 - Cab fan selector switch
S30 - Front wiper switch
S31 - Rear wiper switch
S32 - Washer double pushbutton
S33 - Heater fan selector switch
S35 - Parking brake switch
S36 - Switch to reduce drum slip
S37 - Engine idling switch
S39 - Double pushbutton to adjust
idle rpm
S40 - RTM module switch (ATC)
V3 - Interlocking LED (only with Ma-
chines having cab lifting alarm)
V4 -7 - Interlocking LEDs
X2-24 - Interface connectors
X27 - Socket for hazard beacon
X28-33 - Interface connectors
X34 - Socket for engine diagnostics
X35-40 - J1939 Connector
X41 - Interface connector
X44 - Supply connector
Y1 - Solenoid valve for cab lifting
Y2 - Solenoid valve for cab lowering
Y3 - Solenoid valve for bonnet lifting
Y4 - Solenoid valve for bonnet low-
ering
Y6 - Solenoid valve for brake
Y7 - Solenoid valve for fast travel -
left wheel
Y8 - Solenoid valve for fast travel -
drum
Y9 - Solenoid valve vibrations 1
Y10 - Solenoid valve for vibrations 2
Y11 - Solenoid valve to disengage
RTM dierential interlock
Y13 - Servo valve for travel pump
Y14 - Solenoid valve for fast travel -
right wheel
3.8. Annexes