mecalac 14 MBX, Handbook Of Repair

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14MBX 30750
52 M1
H39 - Left side flashing light (Italy option)
H40 - “Road” speed indicator light
II - Air conditioning option
K1 - Relay unit
K1.1 - Starting safety relay
K1.2 - Brake lock relay
K1.3 - Horn relay
K1.4 - Not used
K2 - Relay unit
K2.1 - Accelerator lock relay
K2.2 - “Loader mode” relay
K2.3 - “Loader mode” relay
K2.4 - Revolving light relay
K3 - Relay unit
K3.1 - Front windscreen washer relay
K3.2 - Front screen wiper relay
K3.3 - Rear screen wiper relay
K3.4 - Not used
K4 - Relay unit
K4.1 - Hydraulic lock relay
K4.2 - Bucket direction inversion relay
K4.3 - Tool unlocking relay
K4.4 - Oscillation lock relay
K5 - Relay unit
K5.1 - Load overshoot relay
K5.2 - “Loader mode” relay
K5.3 - Front working light relay
K5.4 - Rear working light relay
K6 - Brake lock safety relay
K7 - Accelerator lock safety relay
K8 - Safety in “Loader mode” relay
K9 - Forward ( F ) and reverse ( R ) in “Loader
mode” relay
K10 - “Loader mode” low ( L ) speed relays
K11 - 4th foot-operated ram relay
K12 - Boom and intermediate boom relay
K13 - Ram coupling relay
K14 - Working light relay
K15 - Engine shut-off relay
K16 - Starting relay
K17 - Direction inverter safety relay
K18 - Direction inverter safety relay
K19 - Reversing lights and audible reversing
signal relay
K20 - Direction indicators central unit
K21 - Forced forward ( F ) relay
K22 - Forward ( F ) and reverse ( R ) in “Loader
mode” piloting relay
K28 - Starting safety relay
K29 - “Road / Site” speed relay
KE - Air-conditioning starting relay
KV - Air conditioning condenser’s relay
L1 - Brake lock coil
L2 - Accelerator’s lock coil
L3 - Engine shut-off coil
M1 - Starter
M2 - Rear screen wiper
M3 - Front windscreen wiper
M4 - Front windshield washer
M5 - Heating fan
MV - Air conditioning condenser’s fan
P1 - Rev counter
P2 - Hour counter
P3 - Temperature indicator
P4 - Fuel level indicator
Q1 - Battery cut-out
R - Option for the Italy versions
S1 - Boom / dipper control
S2 - Forward ( F ) and reverse ( R ) control in
“Loader mode”
S3 - Slow speed ( S ) control in “Loader mode”
S4 - Audible warning control
S5 - Left and right offset control
S6 - Tool unlock module control
S7 - Working light module control
S8 - Options control
S9 - Key-operated ignition switch
S10 - “Loader mode” module control
S11 - Warning signal lights control
S12 - Windscreen wiper module control
S13 - Left stabilizer brake block control
S14 - Right stabilizer brake block control
S15 - Lights, direction indicators and windscreen
wipers controls under steering wheel
S16 - Hydraulic system locking controls (switch
under right arm rest)
S18 - Tool unlocking pushbutton
S19 - Heater fan control
S20 - Air conditioning switch
S21 - “Road / Site speeds selector
Y1 - Hydraulic lock solenoid-operated valve
Y2 - Inversion of direction of bucket solenoid -
operated valve
Y3 - Coupling of rams solenoid-operated valve
Y4 - “MECALAC 2” option solenoid-operated
valve
Y5 - Boom / inter. boom solenoid-operated valve
Y6 - Boom / inter. boom solenoid-operated valve
Y7 - Tool unlocking solenoid - operated valve
Y8 - Left offset solenoid - operated valve
Y9 - Load sensing solenoid - operated valve
Y10 - Right offset solenoid - operated valve
Y11 - Left stabilizer raising solenoid - operated
valve
Y12 - Left stabilizer lowering solenoid - operated
valve
Y13 - Right stabilizer raising solenoid - operated
valve
Y14 - Right stabilizer lowering solenoid -
operated valve
Y15 - Low speed ( L ) solenoid - operated valve
Y17 - Reverse ( R ) solenoid - operated valve
Y18 - Forward ( F ) solenoid - operated valve
Y19 - Inversion of direction of travel solenoid -
operated valve
Y20 - Oscillation lock solenoid - operated valve
Y21 - Left stabilizer block solenoid - operated
valve
Y22 - Right stabilizer block solenoid - operated
valve
Y25 - “Road / Site” speeds solenoid-op. valve
YA - Solenoid-operated air conditioning valve
* - Commutator
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