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Doosan G643E - Removal and Installation of N-2007 LP Regulator

Doosan G643E
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G643(E) Service Manual Chapter 6. LPG FUEL DELIVERY SYSTEM 194
Hose Connections
Proper operation of the closed loop control greatly
depends on the correct vacuum hose routing and
fuel line lengths. Refer to the connection diagrams
below for proper routing and maximum hose lengths
when reinstalling system components.
NOTE: Preferred mounting of regulator is off engine.
Hose Specifications
Vacuum hose to comply to SAE 1403 Type I or SAE
J30 R7 R8 / EPDM textile reinforced / -40° F to
+257° F (-40° C +125° C / Inside Diameter: 7/32”
(5.56mm)
Certified System Connections
DWG NO 5555-1201
Figure 26. Hose Connections for Certified Systems

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