SPP Pumps Auto Prime Medium Head Open Set - AC & AL Range - Manual (Page 13)

Operators Handbook for
Diesel Driven Pump Sets
Manual No/Rev
W72-002E / 11
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 13 of 16
Figure 7-5, Figure 7-6, Figure 7-7). Replace if
distorted or damaged
Figure 0-5 Air filter AC50 & AC75
Remove the four screws holding the filter
cover and remove to expose the air filter
element.
AIR FILTER
25PTFLTA
Figure 0-6 Air filter 18 & 25cfm units
Undo the central nut holding the air filter
cover and remove to expose the filter
element.
AIR FILTER
60PTFLTA
Figure 0-7 Air filter 60cfm units
Undo the six nuts holding the top cover and
remove the top cover complete to expose the
air filter element.
7.10.2 High Capacity Air Filter
25cfm and 60cfm vacuum pumps have the
option of a high capacity air filter which is
located externally as shown in Figure 7-8 The
high capacity filter is fitted in lieu of the
standard element.
60AFELEA
1
2
Figure 0-8 High capacity air filter
25 & 60 cfm units
Undo the screws holding the retaining
cover and remove (1) the cover to
inspect the filter. The element pulls out
(2). Note that the orientation of the unit
should be as shown so that any debris
from the filter falls away from the outlet
connection when the unit is opened. It
can then can easily be swept out with
little chance of it entering the outlet.
Replace the cover O ring when the
filter is changed.
7.11 VALVE GEAR
Typical main valve assemblies are
shown in Figure 7-9 and Figure 7-10
The areas arrowed should be checked
regularly for wear or damage. Worn
parts should be replaced. The main
valve is located on the underside of the
top cover.
25PLTVLVA.PCX
Figure 0-9 6cfm main valve assembly