4003-10
27
Boost charging of the battery
Special tools
Battery charger - with an output of 60A.
Charge procedure
Boost charge the battery as follows :
1. Remove the battery from the machine. Refer to
battery removal.
2. Remove the vent manifolds from the battery.
3. Connect the battery charger to the battery. Make
sure the polarity of the connections is correct and
connect the (+) positive cable first.
4. Set the battery charger to ON.
5. Limit the battery charge to the minimum period
required for the battery to start the engine.
6. Set the battery charger to OFF. Disconnect the
cables from the battery. Make sure you
disconnect the (+) positive cable first.
7. Install the vent manifolds on the battery.
8. Install the battery.
CAUTION :
Boost charging is not
recommended. Boost charging may be
carried out but the current must be limited to
60A.
CAUTION :
Parallel charging is not
recommended, therefore on machines fitted
with twin batteries, charge each one
individually.
WARNING :
Check the battery temperature
frequently as the high charging current can
cause a rapid rise in temperature. Stop the
charging process if the temperature reaches
60
°
C (140
°
F).
!
!
!
Load testing of the battery
Test equipment
Current controlled, high rate discharge tester - with at
least 500A capacity.
Digital voltmeter
Load test the battery as fommows :
1. Remove the battery from the machine. Refer to
battery removal.
2. Set the appropriate current on the discharge
tester :
CURRENT FOR SINGLE BATTERY .......... 295A
CURRENT FOR TWIN BATTERY .............. 410A
3. Connect the voltmeter across the battery
terminals.
4. Apply the load tester across the battery terminals
for 15 seconds and note the voltage during the
test.
Above 10V and steady ..... battery is serviceable
Above 10V but failling rapidly ..... replace battery
Below 10V ................................. replace battery
5. If required, install the battery.
CS98J532
Contents
Summary of Contents for Fermec 760
Page 5: ...5 Service Training SECTION 1 MACHINE SPECIFICATIONS Contents ...
Page 10: ...10 Service Training SECTION 2 CAB CONTROLS BASIC ELECTRICAL Contents ...
Page 11: ...11 SERVICE TRAINING Front Dash Controls Contents ...
Page 13: ...13 SERVICE TRAINING Wiring Harness Contents ...
Page 15: ...15 Service Training Older Models Contents ...
Page 17: ...17 Service Training 13 Contents ...
Page 18: ...18 Service Training Contents ...
Page 19: ...19 Service Training SECTION 3 ENGINE Contents ...
Page 30: ...30 789M048A Contents ...
Page 40: ...40 789M065A 789M066A 789M067A 789M068A Contents ...
Page 41: ...41 Service Training SECTION 4 TRANSMISSION Contents ...
Page 42: ...42 Service Training Contents ...
Page 52: ...52 Service Training SECTION 5 BASIC HYDRAULIC SYSTEM Contents ...
Page 55: ...55 33 Contents ...
Page 56: ...55 1 33 Contents ...
Page 61: ...59 Service Training SECTION 6 AXLES STEERING Contents ...
Page 67: ...65 Service Training DANFOSS Contents ...
Page 73: ...71 Service Training SECTION 7 BRAKES Contents ...
Page 83: ...79 Service Training SECTION 8 BACKHOE FUNCTIONS Contents ...
Page 85: ...81 Service Training Contents ...
Page 87: ...83 Service Training Contents ...
Page 89: ...85 Machine Circuit Diagram Backhoe Boom Selected to Raise Service Training Contents ...
Page 90: ...Contents ...
Page 91: ...Contents ...
Page 100: ...96 14 2 6 7 8 9 6 5 1 4 11 10 16 1 15 13 13 12 13 3 Contents ...
Page 101: ...97 Service Training SECTION 9 LOADER FUNCTIONS Contents ...
Page 103: ...99 Service Training Contents ...
Page 104: ...100 Service Training Contents ...
Page 110: ...105 Service Training SECTION 10 SCHEDULED MAINTENANCE Contents ...
Page 111: ...106 Service Training Lubricants and Service Intervals TX760 TX860 TX860SB Contents ...
Page 113: ...Contents ...
Page 114: ...Contents ...
Page 115: ...Contents ...