Doosan D50S-5 Operation & Maintenance Manual page 75

9. 9. Check to be sure that the LP warning plate is in Check to be sure that the LP warning plate is in
position on the lift truck, and is legible. position on the lift truck, and is legible.
10. Check to be sure the replacement tank is of the 10. Check to be sure the replacement tank is of the
correct type. correct type.
11. Inspect the replacement tank for damage such 11. Inspect the replacement tank for damage such
as dents, scrapes or gouges and for indication of as dents, scrapes or gouges and for indication of
leakage at valves or threaded connections. leakage at valves or threaded connections.
12. 12. Check for debris in the relief valve, for damage Check for debris in the relief valve, for damage
to various valves and liquid level gauge. to various valves and liquid level gauge.
13. 13. Inspect Inspect
deterioration, damage or missing flexible seals. deterioration, damage or missing flexible seals.
14. 14. Position the replacement tank so that the Position the replacement tank so that the
locating pin (dowel) is in place. locating pin (dowel) is in place.
Before Starting the Engine Before Starting the Engine
the the quick-disconnect quick-disconnect couplings couplings
15. Grasp a new tank and clamp securely. Pull the 15. Grasp a new tank and clamp securely. Pull the
release knob (1) and push the tank cradle release knob (1) and push the tank cradle
upward when locked. upward when locked.
16. Rotate the tank cradle forward of the truck and 16. Rotate the tank cradle forward of the truck and
lock it with latch. Connect the fuel supply line. lock it with latch. Connect the fuel supply line.
17. 17. Open the fuel valve by slowly turning the valve Open the fuel valve by slowly turning the valve
counterclockwise. If the fuel valve is opened too counterclockwise. If the fuel valve is opened too
quickly, a back pressure check valve will shut off quickly, a back pressure check valve will shut off
the fuel supply. If this happens, close the fuel the fuel supply. If this happens, close the fuel
valve completely. Wait five seconds and then valve completely. Wait five seconds and then
open the fuel valve very slowly. open the fuel valve very slowly.
18. 18. Inspect the LP fuel lines and fittings with a soap Inspect the LP fuel lines and fittings with a soap
solution after filling the tank or when looking for solution after filling the tank or when looking for
leaks. leaks.
for for
74 74
7. 7. Inspect the overhead guard for damage and Inspect the overhead guard for damage and
Operation Section Operation Section