Doosan 12/150 Manuale utente
Doosan Infracore
Portable Power
Service Letter
Doosan Infracore
Portable Power
Service Letter
Safety Notice
Field Modification
SL 40021-EN 1
SL: 40021
Date: 15 July 2011
Product: Compressors
Subject: Air Outlet Flap Cylinder Hose Relocation (Y03)
The air compressor uses a hydraulic cylinder to control
the air outlet flap of the compressor. The oil supply
hose to the cylinder is in close proximity to an exhaust
muffler that can reach high temperatures.
If the oil supply hose to the cylinder experiences a leak,
oil could spray on the exhaust muffler. If the exhaust
muffler temperature is high, the oil spray may ignite
causing a fire in the compressor canopy.
NOTE: If compressor operation is required by the
owner prior to availability of the final
correction, Doosan Benelux SA has
developed a temporary solution as
described in the instruction attached to the
dealer Safety Notice letter.
Parts
The above parts will be shipped to you for each
affected machine
Doosan Benelux SA asks it’s dealers to contact all
owners of affected compressors and make
arrangements for this modification.
PROCEDURE & WARRANTY GUIDELINES
Repair Priority Mandatory - Class AA
Parts Required Yes - parts will be shipped free of
charge
Parts Return No - dispose of old parts
Parts Credit No
Labor Credit Yes - Two (2) hours
Travel Credit Yes - Two (2) hours for retailed
machines
Warranty Code Y03
MODEL SERIAL NUMBER
12/150 705001 - 705035
QTY P/N DESCRIPTION
1 92354653 R1/8 PLUG
1 92354364 BUSH HEXAGON 1/4 X 1/8 BSPT
1 92799444 ELBOW P - IN F SW 1/4 BSPT-8MM
1,5 m 92799378 TUBE NYLON 8MM
1,5 m 23346182 CONVOLUTED CONDUIT 16MM
1 35114545 TEE CONNECTOR 1/4 NPT
1 92931401 ADAPTER P-IN M 1/4 BSPT-8MM
10 92281427 TIE CABLE 3.5X200
SL 40021-EN 2
Procedure
Please read the Operation Manual for safety and
operation related information before working on
this air compressor.
WARNING
AVOID INJURY OR DEATH
Diesel fuel or hydraulic fluid under pressure can
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be
visible. Use a piece of cardboard or wood to find
leaks. Do not use your bare hand. Wear safety
goggles. If fluid enters skin or eyes, get immediate
medical attention from a physician familiar with this
injury. W-2072-0807
NOTE: When relieving system pressure by means of
the service valve(s), a small amount of
pressure will remain in the system. No
maintenance work should be carried out
whilst this situation exists. This pressure
may be relieved slowly by operating the
manual blowdown valve.
Figure 1
Drain the separator tank oil into a proper container and
dispose of in a responsible manner.
Remove the hose (Item 1) from the elbow fitting (Item
2) [Figure 1] at the bottom of the tank, and drain the
remaining oil.
NOTE: Do not remove the convoluted conduit as
this is protecting the 8 mm tubing from
being damaged.
Remove the elbow fitting from the tank and plug with
fitting (P/N 92354653) using Loctite® 542 on the
thread.
Figure 2
Connect the bush hexagon (P/N 92354364) (Item 1) to
the separator tank elbow fitting (Item 2) [Figure 2].
Connect the elbow fitting (P/N 92799444) (Item 3)
[Figure 2] to the bush hexagon.
Connect the 8 mm tube (P/N 92799378) (Item 4) to the
elbow fitting (Item 3) [Figure 2].
Connect tubing (Item 5) [Figure 2] removed in [Figure
1].
Slide the new convoluted conduit (P/N 23346182) over
the hose.
Figure 3
Disconnect the tubing (Item 1) from the pressure
regulator (Item 2) and remove the pressure regulator
from the tee fitting (Item 3) [Figure 3].
S40283
2
1
S40284
1
2
3
4
5
S40285
2
1
3
SL 40021-EN 3
Figure 4
Install the tee connector (P/N 35114545) (Item 1) to the
existing tee connector (Item 2) [Figure 4].
Install the 8 mm tube adapter (Item 3) [Figure 4] to the
new tee connector.
Cut the extended hose (Item 4) [Figure 2] and
convoluted conduit from the separator tank to the
correct length and connect to the adaptor (Item 3)
[Figure 4].
Figure 5
Reconnect the pressure regulator (Item 1) [Figure 5].
Figure 6
Reconnect the tubing (Item 1) [Figure 6] to the
installed fittings.
Figure 7
Use tie-straps (P/N 92281427) (Item 1) [Figure 7] to
secure the tubing.
Refill the separator tank with protec compressor oil to
the correct level.
Start the compressor and check for leaks.
Stop the compressor and refill to the correct level.
S40278
3
2
1
S40279
1
S40280
1
S40281
S40282
1
1
S40281
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