Hitachi RTX 900 - Manual (Page 9)

RotoFlex™ II Pump (RTX 900)
311772G 9
RotoFlex™ II Pump (RTX 900)
Disassemble
1. Relieve Pressure, page 6.
2. Unplug sprayer from outlet.
3. Remove Shroud, page 7.
4. Loosen and remove screw (28) on hose bracket.
5. Remove hose bracket (25).
6. Slide pump fittings over and push through keyhole
slots.
7. Grab pump hose (16) from side of unit and remove
pump hose by hand.
Reassemble
1. Bend hose (16) so colored dots on hose fittings face
each other.
2. Slide new pump hose (16) over rollers. Move pump
rollers by hand until or flip power switch to rotate
rollers until they are positioned correctly with pump
hose.
3. Feed pump fittings through front access panel
keyhole slots and slide into place.
4. Replace hose bracket (25) to lock pump hose fit-
tings into place.
5. Replace hose bracket (25) and tighten screw (28).
6. Replace Shroud, page 7.
7. Break in new pump by adding 1 cup of water to
pump and running dry for 3 minutes.
ti2810b
28
ti9009a
ti8881a
25
ti8869a
16
ti8949a
ti9331a
ti8868a