Doosan D50S-5 Operation & Maintenance Manual page 186

Inspect Coolant Hoses (LP Inspect Coolant Hoses (LP
Engines Only) Engines Only)
Visually inspect coolant hoses and clamps. Visually inspect coolant hoses and clamps.
 
Remember to check the two coolant lines that Remember to check the two coolant lines that
connect to the pressure regulator/converter. connect to the pressure regulator/converter.
Replace any hose that shows signs of swelling, Replace any hose that shows signs of swelli
 
cracking, abrasion or deterioration. cracking, abrasion or deterioration.
6 6
3 3
(1) LP fuel lock-off, (1) LP fuel lock-off,
(2) LP regulator/converter (2) LP regulator/converter
(3) Fuel Trim Valve(FTV), (3) Fuel Trim Valve(FTV),
(4) LP mixer (4) LP mixer
(5) Vacuum lines, (5) Vacuum lines,
(6) Coolant lines, (6) Coolant lines,
(7) LP fuel line (7) LP fuel line
Maintenance Section Maintenance Section
Hydraulic Oil, Return Filter, Hydraulic Oil, Return Filter,
Strainer & Breather - Check, Clean, Strainer & Breather - Check, Clean,
Change Change
Hot oil and components can cause personal Hot oil and components can cause personal
injury. Do not allow hot oil or components to injury. Do not allow hot oil or components to
contact skin. contact skin.
Park the lift truck level with the forks lowered, Park the lift truck level with the forks lowered,
parking brake engaged, transmission in NEUTRAL parking brake engaged, transmission in NEUTRAL
and the engine stopped. and the engine stopped.
1 1
4 4
7 7
2 2 5 5
WARNING WARNING
Inspect Mixer Assembly (LP Inspect Mixer Assembly (LP
Engine Only) Engine Only)
Refer to the LP mixer section of the engine service Refer to the LP mixer section of the engine service
manual for procedures. manual for procedures.
ng,
Inspect Throttle Assembly (LP Inspect Throttle Assembly (LP
Engine Only) Engine Only)
Visually inspect the throttle assembly motor Visually inspect the throttle assembly motor
 
housing housing for for
cover-retaining clips. Repair and/or replace as cover-retaining clips. Repair and/or replace as
necessary. necessary.
NOTE: NOTE: Refer to the LP mixer and throttle section of Refer to the LP mixer and throttle section of
the service manual for procedures on the service manual for procedures on
removing the mixer and inspecting the removing the mixer and inspecting the
throttle plate. throttle plate.
185 185
6. 6. Remove the breather. Remove the breather.
7. 7. Wash the breather in clean, nonflammable Wash the breather in clean, nonflammable
solvent and dry it. solvent and dry it.
8. 8. Fill the hydraulic tank. See topic, "Refill Fill the hydraulic tank. See topic, "Refill
Capacities." Capacities."
coking, coking, cracks cracks and and missing missing