122
122
4. Changing Fuels While the Engine
4. Changing Fuels While the Engine is Running and the
is Running and the Truck is Stationary
Truck is Stationary
(1) To convert from LPG to gasoline, flip the
(1) To convert from LPG to gasoline, flip the dual fuel toggle switch directly
dual fuel toggle switch directly from LPG to GAS.
from LPG to GAS. At this point the
At this point the
engine will stop running on LPG and begin running on gasoline
engine will stop running on LPG and begin running on gasoline
..
(2) To convert from gasoline to LPG, flip
(2) To convert from gasoline to LPG, flip the dual fuel toggle switch to
the dual fuel toggle switch to the middle position.
the middle position. Wait a few seconds and
Wait a few seconds and
once the engine speed slows, quickly move the dual fuel toggle switch to LPG.
once the engine speed slows, quickly move the dual fuel toggle switch to LPG.
5. Precautions
5. Precautions
(1) If an LPG leak is discovered while the forklif
(1) If an LPG leak is discovered while the forklift truck is operating, immediately switch off the LPG switch and close
t truck is operating, immediately switch off the LPG switch and close
the LPG tank outlet valve. Check each component and connection of the LPG system including fastener line
the LPG tank outlet valve. Check each component and connection of the LPG system including fastener line
connections for looseness, leaks, and other
connections for looseness, leaks, and other problems.
problems.
USE a sealant on all LPG connections having NPT threads.
USE a sealant on all LPG connections having NPT threads.
(2) Dual-fuel forklifts should use #93 gasoline or vehicle-use LPG as fuel. Otherwise, ignition timing
(2) Dual-fuel forklifts should use #93 gasoline or vehicle-use LPG as fuel. Otherwise, ignition timing accuracy will be
accuracy will be
affected, which will reduce power.
affected, which will reduce power.
(3) If the forklift i
(3) If the forklift is stopped for more than 10 minutes, close LPG tank outlet valve.
s stopped for more than 10 minutes, close LPG tank outlet valve.
(4) When the engine is running, it is best to maintain its
(4) When the engine is running, it is best to maintain its coolant temperature between 70
coolant temperature between 70
°
°
C and 85
C and 85
°
°
C.
C.
6. Pressure-Reducing Regulator
6. Pressure-Reducing Regulator
The pressure-reducing regulator has two functions. The first is a pressure-reducing function. It lowers the pressure of
The pressure-reducing regulator has two functions. The first is a pressure-reducing function. It lowers the pressure of
the LPG coming from the cylinder to a pressure of one atmosphere. The second is evaporation. The liquid LPG is gasified by
the LPG coming from the cylinder to a pressure of one atmosphere. The second is evaporation. The liquid LPG is gasified by
absorbing heat from the engine cooling system.
absorbing heat from the engine cooling system.
7. Mixer
7. Mixer
The mixer, depending on the engine operating
The mixer, depending on the engine operating status, mixes vaporized LPG with air
status, mixes vaporized LPG with air and delivers it to the
and delivers it to the engine,
engine,
thus meeting engine power needs under various operating c
thus meeting engine power needs under various operating conditions.
onditions.
https://www.forkliftpdfmanuals.com/
Summary of Contents for UT25C
Page 85: ...79 79 10 Labels 10 Labels https www forkliftpdfmanuals com ...
Page 90: ...84 84 7 7 Tip Over Warning Label Tip Over Warning Label https www forkliftpdfmanuals com ...
Page 119: ...113 113 https www forkliftpdfmanuals com ...
Page 139: ...133 133 IMPCO Single Fuel System IMPCO Single Fuel System https www forkliftpdfmanuals com ...