New Holland CX720 Repair Manual page 1880

Fuel shut-off Electrical shut-off - Electrical test (B.20.A.13.81 -
F.40.A.50)
CX720, CX740, CX760, CX780, CX820, CX840
1. In cases where the proper function of the fuel shutoff
solenoid is suspect, the following steps will diagnose
both the solenoid and the electrical feed to the pull
coil terminal, hold coil terminal, and common ground
terminal.
Ref
1
2
3
2. Preliminary Checks
3. Place the transmission in NEUTRAL and set the
parking brake.
4. Check the battery voltage.
higher.
5. Verify that the solenoid plunger and pump control
lever (1) move freely the full range, with no evidence
of binding or sticking.
6. With key switch in the "off" position, the control lever
will be in the down position.
7. Turn the key switch to the "run" position. With the
engine running the control lever will be in the "up"
position
8. Check the fuel shutoff solenoid linkage adjustment
as described later. If readjusted, try restarting the
engine while observing the solenoid for proper func-
tion.
9. Inspect the electrical connections between the sole-
noid and harness to ensure good positive contacts,
and not sign of rust or corrosion.
POWER PRODUCTION - FUEL AND INJECTION SYSTEM
Function
Ground
Pull
Hold
Must be 12 volts or
1
70-150-2213
2 4/7/2006
B.20.A / 50