2.5 Periodic servicing and maintenance of electric forklift truck
During operating the forklift truck, it is necessary to operate carefully, service and
maintenance periodically to make the forklift truck keep in good condition.
2.5.1 Handling a new forklift
The performance and service life of forklift depends heavily upon the way you
handle it during the break-in period. Drive with special caution while becoming familiar
with a new forklift. Retighten the fasteners after the replacing.
(1) Replace gear oil in the differential and reducer after the new forklift working for
100 hours. Retighten the fasteners after replacing.
(2) Readjust the clearance of the driving and driven gear in the reducer after the new
forklift working for 200 hours.
2.5.2 Cautions for starting
(1) The amount of hydraulic oil: The oil level should be at the middle position between
the upper and lower scale marks of oil level meter.
(2) Check if any leak or damage found on the piping joints, pumps and valves.
(3) Check the traveling brakes: The free stroke of brake pedal is 20-30 mm; when
achieving effective brake, the clearance between the front floor and the pedal should be
more than 20mm.
(4) Check the parking brake: The unload truck can park on stated ramp, when the
parking lever is pulled to the bottom.
(5) Check the meters, lamps, connectors, switches and electric circuit if they are
running properly.
2.5.3 Charging the battery
(1) Please refer to Manual of Battery about the initial charging and normal charging of
the battery.
(2) When the truck working with load, the voltage of the battery reduces to
43.2V(1-2.5t forklift truck), or to 72V(3t forklift truck), or the voltage of each cell drops
below 1.80V, the warner of battery capacity flashes, stop the truck until charge the battery
or replace a full charged battery.
(3) Measure the density, level and temperature of the electrolyte.
(4) After the battery is used, it should be charged immediately, the time left idle of the
battery must be less than 24 hours. You should try to prevent them from over being
discharged or over charged. Either way will affect their service time and functions.
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