Doosan D55SC-5 User Manual

Maintenance Section
-138-
Every 1000 Service Hours or 6 Months
You must read and understand the warnings and instructions contained in the Safety section of this manual, before
performing any operation or maintenance procedures.
Air Intake System - Change
Changing Primary Element
See topic, “Air Intake System - Check, Clean” in “Every
250 Service Hours or Monthly”.
Changing Secondary Element
Replace the secondary element after the primary
element has been cleaned three times or yearly.
1. Remove the primary air cleaner element. See topic
“Servicing Filter Element”. Clean the inside of the air
cleaner housing and cover.
2. Remove the secondary element. Inspect the gasket
between the air cleaner housing and the engine
inlet. Replace the gasket if it is damaged.
NOTICE
Always replace the secondary element. Do not
attempt to reuse it by cleaning.
3. Install a new secondary element. Install a new or
cleaned primary element. Install the cover. Tighten
the latches.
4. Start the engine and observe the air cleaner service
indicator. If the indicator shows RED after installing
a new secondary element and a cleaned primary
(outer) element, replace the cleaned primary filter
with a new element.
5. Stop the engine. Close the hood and seat assembly.
Inspect Coolant Hoses (LP Engines Only)
1. Visually inspect coolant hoses and clamps.
Remember to check the two coolant lines that
connect to the pressure regulator/converter.
2. Replace any hose that shows signs of swelling,
cracking, abrasion or deterioration.
(1) LP fuel lock-off, (2) LP regulator/converter
(3) Fuel Trim Valve(FTV), (4) LP mixer
(5) Vacuum lines, (6) Coolant lines, (7) LP fuel line
LP Regulator/Converter Inspection (LP
Engine Only)
1. Visually inspect the pressure regulator/converter
housing(2) for coolant leaks. Refer to the pressure
regulator/converter section of the service manual if
maintenance is required.
NOTE: For pressure testing and internal inspection of
the pressure regulator/converter, refer to the
pressure regulator/converter section of the
service manual.
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Doosan D55SC-5 Specifications

General

Brand	Doosan
Model	D55SC-5
Category	Forklifts
Language	English