Hyundai HL930A Operator's Manual page 71

※ Manual exhaust system cleaning Manual exhaust system cleaning
Safety button
1
2
Exhaust warning HEST warning
lamp lamp
blink ON
Exhaust warning HEST warning
lamp lamp
OFF
ON OFF
(18) (18)
HEST HEST (High exhaust system temperature) warning lamp
7609A3CD53
※
Manual exhaust system cleaning applies if the machine is Manual exhaust system cleaning applies if the machine is
in a fireproof area. in a fireproof area.
※
To stop a manual exhaust system cleaning before it has To stop a manual exhaust system cleaning before it has
completed, set to the exhaust system cleaning switch to the completed, set to the exhaust system cleaning switch to the
inhibit position or turn OFF the engine. inhibit position or turn OFF the engine.
①
Stop and park the machine.
② Pull the safety button and push the switch to position ② to
initiate the manual exhaust system cleaning.
※
Refer to the page 3-46 for the exhaust system cleaning Refer to the page 3-46 for the
operation. operation.
※
The engine speed may increase to 950~1050 rpm and The engine speed may increase to 950~1050
system cleaning begins and it will take approximately 20~30 system cleaning
minutes. minutes.
③
The exhaust system cleaning warning lamp will blink and
HEST warning lamp will light ON during the exhaust system
cleaning is operating.
④
The exhaust system cleaning and/or HEST warning lamp will
light OFF when the exhaust system cleaning is completed.
9753CD129A
warning lamp
①
This warning lamp indicates, when illuminated, that exhaust
temperatures are high due to exhaust system cleaning.
②
The lamp will also illuminate during a manual exhaust system
cleaning.
③
When this lamp is illuminated, be sure the exhaust pipe outlet
is not directed at any surface or material that can melt, burn, or
explode.
When this lamp is illuminated, the exhaust gas temperature When this lamp is illuminated, the exhaust gas temperature
could reach 800 could reach 800˚C [1500
melt common materials, and to burn people. melt common materials, and to burn people.
※
The lamp does not signify the need for any kind of equipment The lamp does not signify the need for any kind of equipment
or engine service; It merely alerts the equipment operator to or engine service; It merely alerts the equipment operator to
high exhaust temperatures. It will be common for the lamp to high exhaust temperatures. It will be common for the lamp to
illuminate on and off during normal equipment operation as the illuminate on and off during normal equipment operation as the
engine completes exhaust system cleaning engine completes
3-9
exhaust system cleaning switch
begins and it will take approximately 20~30
[1500˚F], which is hot enough to ignite or ], which is hot enough to ignite or
exhaust system cleaning.
switch
rpm and exhaust exhaust