Repair, Disassembly – Hitachi 288466 User Manual
Page 4
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Repair
4
311845C
Repair
See your sprayer instruction manual for complete
instructions for removing and installing the pump in your
sprayer.
Disassembly
1.
(Fig. 1) Remove packing nut (3).
F
IG
. 1
2.
(Fig. 2) Unscrew intake valve from cylinder.
F
IG
. 2
3.
(Fig. 3) Disassemble intake valve. Clean and
inspect o-ring (17). You may need to use a pick to
remove o-ring.
F
IG
. 3
4.
(Fig. 4) Use a hammer to tap piston rod (5) out of
cylinder (2), or flip pump over and tap piston rod out
against work bench.
F
IG
. 4
5.
(Fig. 5) Remove piston rod (5) from sleeve (4).
F
IG
. 5
3
ti8845a
ti8846a
Spring (26) for model 288819 is optional and is not
included with the pump.
ti8847b
26
(288467/288468)
17
18
19
16
1
(288819)
26
ti8848a
5
2
ti8849a
4
5
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