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5•Service
Doc. 065291-01 3/09 121
5. Place the head (front end down) on a clean work surface and lift off the spacer
to expose the piston seal (see Figure 5-14
or Figure 5-15).
Figure 5-14. Primary Pump Head
Figure 5-15. Secondary Pump Head
Piston
(P/N 052840)
O-Ring
(P/N 055752)
Piston Seal
(P/N 055870)
Primary Pump Head
(P/N 055711)
Seal Guide
(P/N 058032)
Spacer with Drain
(P/N 057913)
Priming Valve Knob
(P/N 055709)
Inlet Check
Valve Assembly
(P/N 045722)
Outlet Check
Valve Assembly
(P/N 045721)
O-Ring
(P/N 059283)
Piston Rinse Seal
(P/N 048722)
O-Ring
(P/N 014895)
Piston
(P/N 052840)
Seal Guide
(P/N 058032)
O-Ring
(P/N 055752)
Piston Seal
(P/N 055870)
Secondary
Pump Head
(P/N 055712)
Spacer with Drain
(P/N 057913)
W
aste
V
a
l
ve
K
no
b
(P/N 055710)
O-Ring
(P/N 059283)
Piston Rinse Seal
(P/N 048722)
O-Ring
(P/N 014895)