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Idiomas disponibles
Idiomas disponibles
Fuel Transfer Pump
Switch Repair
1. Remove the (6) M5-0.8mm screws from the casting.
2. Loosen and remove the M8 lock nut from the lever
shaft.
3. Slide the wave washer, lever arm, and washer from
the shaft.
4. Flip the casting over and remove the nut securing
the switch to the plastic mount bracket, then pull the
switch from the mount bracket.
5. If replacement of the mount bracket is required,
loosen and remove the (2) Phillips head screws
from the plastic mount bracket. Replace bracket and
torque the (2) Phillips head screws to 20 in. lb. (2.2
Nm).
NOTE: Do not over-torque screws. This can cause
in damage to the casting or screw.
6. If required, slide the shaft assembly from the casting
and replace any damaged or worn parts.
7. Prior to reassembly of the shaft assembly into the
casting, lubricate the shaft and O-ring with a light
grease. This will reduce wear on parts during use
and make assembly easier.
8. Fit the toggle switch to the plastic mount bracket
and tighten the nut to secure the toggle switch.
9. Reassemble the washer, lever arm, wave washer, and
M8 lock nut to the shaft assembly.
10. Manually actuate the lever arm between the On (up)
and Off (down) positions to ensure the alignment of
the shaft assembly fork and switch work correctly.
Revision (7-14)
11. Adjusting the toggle switch nuts changes how soon
the toggle switch is engaged. Slight twisting of the
shaft forks may be necessary to get proper align-
ment.
12. Ensure the wire leads are correctly assembled to
the switch, if the wires are backwards then the vane
pump will pump in the wrong direction.
13. Reinstall the (6) M5-0.8mm screws into the casting
and tighten to 22 in. lb. (2.5 Nm).
10
SER 3400
Alemite, LLC
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