19
310530
Service
Fig. 10
10
20
30
40
1
2
50
70
60
80
90
100
Separating the 20 Liter (5 Gallon) Pump Module
from the Air Motor
Fig. 10. To separate the pump from the air motor:
1.
Remove the remaining sheet-metal shrouds from
the pump.
2.
Remove the coupling nut (40), which attaches the
pump to the air motor. Be careful not to lose the
collar couplings (30).
3.
Remove the nuts (10) from the stand-off rods (20).
You can now separate the pump from the air
motor.
4.
Access the bare pump by:
a.
Unscrewing the bolts that hold the front shroud
in place, then removing the front shroud.
b.
Removing the pump’s insulation.
c.
Disconnecting the electrical wires from the
heater bands.
d.
Unscrewing the screws that hold the heater
bands in place.
e.
Removing the heater bands from the pump.
f.
Removing the clamp that holds the sensor on
the pump.
g.
Removing the sensor.
5.
Remove the pump and service it as needed. See
308570 for more information about the pump.
Replacing the Pump Module in the 20 Liter
(5 Gallon) Supply Unit
1.
Put the pump module back together.
2.
Replace the pump module into the follower.
3.
Re-install the pump module into the supply unit by
following the procedure for
Installing a 20 Liter
(5 Gallon) Pump Module
.
4.
Reverse the procedure for
Removing the Pump
Module from a 20 liter (5 gallon) Supply Unit
, to
reinstall the pump. Be sure to re-apply RTV seal-
ant to the seams of the shrouds before replacing
them on the pump.