4
5
MHT 10120 L M
SS
eries
I33 17 Manoeuvres manipulator
I34 10 Levelling switch
I38 11 Air filter pressure switch
IP 6 Ceiling light switch
L1 11 Battery optical indicator
L2 11 Turn indicators optical indicator
L3 11 Position lights optical indicator
L4 11 High beam lights optical indicator
L5 11 Low beam lights optical indicator
L6 11 Air filter clogged optical indicator
L7 11 Oil pressure optical indicator
L8 11 Oil level optical indicator
L9 11 Water temperature optical indica-
tor
L10 11 Control unit fault optical indicator
L11 11 Parking brake optical indicator
L12 11 Brakes oil level optical indicator
L13 9 Slow speed optical indicator
L14 9 Fast speed optical indicator
L15 15 Crab steering optical indicator
L16 15 Concentric steering optical indica-
tor
L17 17 Boom top second outlet optical
indicator
L18 17 Control unit fault indicator
L19 18 Control unit fault indicator
L20 9 Anti-tilting exclusion optical indi-
cator
L20b 9 Anti-tilting exclusion optical indi-
cator
L21 17 Boom top 3
rd
outlet optical indica-
tor
L22 15 Normal steering optical indicator
M1 4 Starter motor
M2 14 Hydraulic oil cooling fan
M3 14 Hydraulic oil cooling fan
M4 14 Hydraulic oil cooling fan
M5 14 Hydraulic oil cooling fan
M6 15 Front wiper motor
M7 15 Front windscreen washer pump
M8 15 Rear wiper motor
M9 13 Rear aeration solenoid valve
M10 13 Air conditioner compressor
M11 13 Cab aeration fan motor
M13 21 Pneumatic seat
M14 15 Top wiper motor
P3 7 Identification plate light
P17 6 Cab light
PPA 10 Provision for front axle alignment
proximity switch
PPP 10 Provision for rear axle alignment
proximity switch
R1a 4 Start-up enable relay
R1b 19 Work lights power supply relay
R2b 19 Forward movement relay
R3a 8 Reverse relay
R4a 4 Machine locked with key power
supply relay
R4b 4 Machine locked with key power
supply relay
R5a 7 Low beam lights relay
R5b 14 Oil cooling fan relay
R6a 7 High beam lights relay
R6b 14 Oil cooling fan relay
R7a 11 Parking optical indicator relay
R7b 14 Oil cooling fan relay
R8a 20 1200 rpm solenoid valve relay
R8b 10 Levelling relay
R9a 9 Anti-tilting relay
R9b 5 Differential block relay
R10a 6 Relay intermittence relay
R10b 5 Horn relay
R11b 5 Buzzer and reversal lights relay
R12a 5 Brake lights relay
R12b 14 Oil cooling relay
R13 6 Intermittence
R14a 21 Air heater relay
R16b 8 Starter motor relay
R33 9 Slow-fast bistatic relay
R34 17 Optional double relay
R35 17 Boom top outputs set-reset relay
R36 14 4 inputs and 4 outputs circuit
S1 20 1200 rpm solenoid valve
S2 8 Forward movement solenoid valve
S3 8 Reverse solenoid valve
S4 10 LH levelling solenoid valve
S5 9 Anti-tilting solenoid valve
S6 10 RH levelling solenoid valve
S7 9 Fast movement solenoid valve
S8 9 Slow movement solenoid valve
S9 5 Differential block solenoid valve
S10 17 Boom extension solenoid valve
S11 17 Boom retract solenoid valve
S12 18 Optional 1 solenoid valve
S13 18 Optional 2 solenoid valve
S14 15 Crab steering solenoid valve
S15 15 Concentric steering solenoid
S16 17 Optional double solenoid valve
S19 21 Mixer bucket solenoid valve
S20 17 Optional triple solenoid valve
SPA 10 Front wheels alignment indicator
light
SPP 10 Rear wheels alignment indicator
light
ST1 12 Hour meter and rev counter
ST2 12 Water temperature instrument
ST3 12 Fuel level instrument
ST4 9 Anti-tilting control unit
ST5 9 Load cell
ST6 9 Load cell
ST7 9 Anti-tilting control unit
T1 19 Float
TR 21 Thermo-starter
X2 16 Mercedes adm control unit
X17 16 Diagnostics connector
X21/A 17 RC2-2/20 Rexroth 1
st
control unit
X21/B 18 RC2-2/20 Rexroth 2
nd
control unit
X30 16 Mercedes motor control unit
X31 16 Accelerator pedal connector
X35 20 Antitheft connector
X36 20 Car radio connector
X61 21 Basket connector
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