SPP Pumps Auto Prime Q Series - Workshop Manual - Manual (Page 12)

Manual No/Rev
W72-021E / 8
Workshop Manual for
AUTOPRIME Q Range Pump Units
Our policy is one of continuous improvement and we reserve the right to alter specifications at any time
Page 12 of 36
1. Drain the oil from the chamber into a
suitable container by use of the valve on
the primary chamber.
2. Remove the two cap screws connecting the
cover to the secondary chamber and
remove cover.
3. Remove the four filter elements and
disassemble by removing the filter retainer
and the filter carrier from the stud.
4. Remove the secondary chamber from the
primary chamber by removing the 8 M6
nuts from the studs in the primary chamber.
5. Remove gasket and filter mesh retainer.
Remove all other parts including studs, the
dipstick, the filter mesh block and the back gasket.
6.11 Vacuum Pump Disassembly
(Refer to Parts Diagram 7.5.1)
1. Remove connection inlet, gasket by
removing the rapid fitting and the 3 M10
nuts. Remove the pulley.
2. Remove the M10 nuts and washers from
the DE (drive end) end plate and remove
the lip seal.
3. Break the taper and remove the end plate
as well as the DE bearing and wave spring
washer. Remove the key and store carefully
for reuse.
4. Remove the NDE (non-drive end) plate by
removing the M10 nuts and washers.
Remove studs, O-Rings, dowels grub
screws and plug.
5. Remove rotor and vanes carefully, the grub
screws and the plug.
6.12 Priming Tank Disassembly
(Refer to Parts Diagram 7.6.1)
1. Remove the solenoid valve from the filter
housing by unscrewing the three M8 nuts.
2. Disassemble the parts connected to the
solenoid valve such as the vacuum hose,
the elbows, the breather cap, the filter
carrier, etc.
3. Remove the filter element from the filter
housing by removing the filter cover and
retainer.
4. Remove the filter housing and gasket from
the priming tank and remove the knitmesh
filter from inside the priming tank.
5. Remove the priming tank and gasket from
the inlet duct.