Johnson Pump F4B-19 Manual De Instrucciones página 8

Temperatures between +5°C and +60°C
give normal life. Higher or lower tempe-
rature will reduce the life.
Freezing weather
Drain unit by loosening the endcover.
Glycol based anti-freezes can be used but
do not use petroleum based anti-freeze
compounds.
Waste handling / material recycling
At the product's end of life please dispose
of the product according to applicable law.
Where applicable please disassemble the
product and recycle the parts material.
Service instructions
(see page 22-23)
disassembly
1. Back off the endcover screws (7),
remove the endcover (5) and
O-ring (6).
. Pull out the impeller (3) using a slip
joint plier.
3. Back off and remove the nuts (8)
and washers (9) holding the body.
Separate the body from the motor.
4. Remove the lip seal (4).
5. Do not disassemble the motor.
Assembly
1. Moisten the new lip seal with soapy
water (5% soft soap), mount the seal
with the lip facing towards the impeller.
. Lubricate the motor shaft with vase-
line/glycerin. Fit the body to the
motor.
3. Lubricate inside the pump body
where the impeller should be placed
with Johnson Impeller lubricant.
Also lubricate the surface of the
endcover.
4. Fit the impeller with a rotating
movement in the intended direction
of the pump rotation.
5. Lubricate the O-ring with vaseline/
glycerin and fit it in its position and
fasten the endcover.
8
Impeller
The impeller is a very important security
device and should be replaced every
year with a Johnson original impeller.
Accessories
Vacuum switch 09-45053
• For automatic shut off operation.
• To prevent pump damage.
The vacuum switch works with all self-
priming impeller pumps and should be
used for e.g. bilge pumping/emptying of
tanks to prevent the pump from running
dry.
The vacuum switch automatically shuts
the pump off when the bilge/tank is dry.
With the switch fitted, you can start the
pump by remote push button or manu-
ally by depressing lever on the switch.
The switch is not
ignition protected.
deckwash kit 09-46533
For convenient deckwash:
• pressure switch
• check valve
• triggel nozzle