Check Function Of Pressure Regulator; Turn Off Fuel Pumps; Remove Pressure Meter - Volvo 240 1989 Service Manual

System pressure
Fuel system U/2.4 - 240
D4
Check fu ncllon of pressure regulafor
Connect a vacuum pump to the pressure regulator .
Vacuum pump 5843 may be used.
Pump air Irom the regulator and check that system
pressure falls.
The system pressure should lall as much as the
pressure in the regulator lalls.
• 300 kPa (42 psi) minus pressure drop equals
system pressure.
86 / 1
87 / 2
D5
Turn oU fuel pumps
Remove lead bAtween terminals 30 and 8712 on the
relay base. Install system relay.
D6
Remove pressure meter 50' ,
Hold a paper under the luel line to soak up any luel
which comes out when the meter is removed.
Important! Any plastic tie bands removed from the
luellines must be reinstalled.
37