Doosan G643E Service Manual page 145

Components
N-2001 LP Regulator
For G643
CA100 Mixer
For G643
G643(E) Service Manual
Q'ty
G643E G643
Fuel Supply Pressure
Fuel Inlet Fitting
Fuel Outlet Fitting
Fuel Supply
Temperature
At Tank Outlet
None 1 Primary Pressure Tap
Max Flow
Coolant Flow to Vaporizer
Fuel Outlet Pressure
Setpoints
Fuel
Fuel Inlet Fitting
Air Intake Flange
Mixer Mounting Flange
1 None Reference Pressure Ports
Air Valve Vacuum (AVV)
Port Size
Fuel Inlet Adjustments
Idle Air Adjustment
Mounting
Items
10 psi to 250 psi (69 kPa to 1724 kPa)
1/4" NPT
One 3/4" NPT 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
-0.5 ± 0.35 inH2O@1.7 lbm/hr LPG
(-1.25 ± 0.87 mbar)@1.7 lbm/hr LPG)
-1.35 ± 0.5 inH2O@32.1 lbm/hr LPG
(-3.36 ± 1.25 mbar)@32.1 lbm/hr
LPG)
LPG
1/2" NPT Fuel inlet fitted with Delphi
temperature sensor
2.25" (57.15mm) ID inlet, four #10-
24 screws in
1.94" (49.28mm) square pattern
1.87" (47.49mm ID outlet, four #12-
24 screws arranged in a rectangular
pattern
Two 1/8-NPT ports. Pressure
readings must be identical within
0.25 inH2O (0.623 mbar) at all
airflows.
1/4-28 UNF
None
None
Suitable for on-engine mounting in
vertical orientation
143 Chapter 5. Engine Management System (EMS)
Specifications