2.
Check if the hand brake is pulled up. The hand
brake switch should be disconnected and
ungrounded.
3.
Check if there is 12V voltage output when the
combination switch is put into forward or reverse
gear.
4.
Check if there is 12V voltage input in the
forward and reverse direction valve.
5.
Check if the pin and socket connections are
tight or loose.
6.
Confirm there is voltage input to the direction
valve. If the valve is not working, check the
transmission direction valve.
Drive, Operation, and Routine Maintenance of Forklift Truck
COOLING SYSTEM TROUBLESHOOTING
AND SERVICE
WARNING
DO NOT operate a lift truck that needs repairs.
Report the need for repairs immediately. If repair is
necessary, put a DO NOT OPERATE tag in the
operators area. Remove the key from the key
switch.
Safety labels are installed on the lift truck to give
information about operation and possible hazards.
It is important that all safety labels are installed on
the lift truck and can be read.
Coolant must be less than 40°C (104°F) before
draining the radiator or personal injury may occur
Coolant level check
1. If radiator coolant is boiling or temperature is too
high, do not to open the radiator cap immediately.
If the forklift truck is running, bring the engine idle
down to low or medium speed.
Loosen radiator cap slowly to relieve pressure.
Once there is no pressure, remove the radiator
cap.
2. Check coolant level. Add approved coolant as
needed.
NOTE: Radiator cap must be installed completely. If
the radiator cap is not tight, the cooling system can not
build adequate pressure.
3. Install the radiator cap.
Flushing the cooling system
NOTE: Cleaning water used to flush the cooling
system must be completely drained, and replaced with
approved coolant to avoid freezing.
•
Clean water can be used to flush to cooling
system.
•
Periodically the radiator must be removed and
cleaned in a 1% concentrated boiled soda
solution. This removes scale and sediment
formed that has formed in the radiator.
Adding antifreeze/coolant
Add only approved type FD-2 -35°C (-31°F). Do not
add water or any other antifreeze/coolants to the
cooling system.
Filter or replace the antifreeze/coolant after a year of
use.
Cleaning the radiator
The exterior of the radiator should be cleaned
Periodically. Cleaning may be required more frequently
depending on working conditions.
Use detergent, compressed air, or high-pressure water
to clean the radiator. Pressure used to clean the
radiator should not exceed 4 kg/cm ( 56.9 psi).
Drive, Operation, and Routine Maintenance of Forklift Truck 8000 YRM 2199
82
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