Service manual

G424F(FE) Service Manual Chapter 5. Engine Management System (EMS) 123
LP Fuel Components Specification
Q’ty
Components
G424FE G424F
Items Specifications
LP Fuel System
Requirements
- -
Operating Temperature
LPG Composition
Requirements
-20 °F to 221°F [-29 °C to 105 °C]
HD5 / HD10 LPG. Failure to use fuel
compliant with
HD5 or HD10 standards will void the
user warranty.
LP Fuel Filter 1 1 Fuel Filter Micron Size 40 micron
LP Fuel Lock-off 1 1 Electrical Resistance 20~25
N-2007 LP Regulator
For G424FE
1 None
Fuel Supply Pressure
Fuel Inlet Fitting
Fuel Outlet Fitting
Fuel Supply
Temperature at Tank Outlet
Primary Pressure Tap
Max Flow
Coolant Flow to Vaporizer
Fuel Outlet Pressure
Setpoints
Mounting
10 psi to 250 psi (68.95 kPa to
1723.69 kPa)
1/4” NPT
Two 3/4” NPT fittings with one plugged
and one 1/8” NPT fitting with plug
-20 °F to 120 °F [-29 °C to 49 °C]
1/8” NPT with plug
50 lbm/hr LPG
> 1.0 gpm/100bhp, equipped with
140 °F (60 °C) thermostat
-0.7 ± 0.2 inH2O @ 1.7 lbm/hr LPG
(-1.744 ± 0.498 mbar) @ 1.7 lbm/hr
LPG)
-2.0 ± 0.2 inH2O @ 50 lbm/hr LPG
(-4.982 ± 0.498 mbar) @ 50 lbm/hr
LPG)
Regulator should be installed with
centerline of outlet at least 15° below
horizontal to permit drainage of any
liquid precipitates from LPG fuel.
Diaphragm should be vertically
oriented.