Sanyo HEC-FX1 - Replacement of PCB (Main); Replacement of Valve

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HEC-FX1/RX1
Replacement Procedure
(2) Replacement of PCB (Main)
1, Remove three cover (back cover) set screws
and take off the cover (back cover).
Photo-1
2, Lay down the main body with the back rest
underneath, a foot rest becomes the top.
Photo-2
3, Lift up the foot rest and bind the reclining
motor (foot rest) and the frame (foot rest)
with a string tightly. Photo-2
4, Remove seven cover (front) set screws and
take off the cover (front upper) and the
cover (front lower). Photo-2
5, Remove one cover (PCB) set screw and take
off the cover (PCB). Photo-5
6, Disconnect connectors connected to the
PCB (main). Photo-6
7, Unfix nine stoppers (PCB) from the bottom
side of the main body and take off the PCB
(main). Photo-6
(3) Replacement of Valve
1, Take off the cover (back cover) and the arm
rest (right). Photo-1,2,3
2, Take off the cover (front upper), the cover
(front lower), the cover (arm rest lower)
right and the cover (PCB). Photo-2,4,5
3, Disconnect each air hose. Photo-7
*When taking off the air hoses, indicate a
mark such as number, symbol.
(Exercise care so as not to make a
mistake in connecting the hoses.)
4, Remove the cord processing of the valve
assembly. Photo-7
5, Remove two cover (air pump) set screws,
take off latches of libs at the rear of the
cover (air pump) and take off the cover
(air pump). Photo-7
6, Remove two valve set screws and take off
the valve assembly. Photo-7
Photo-5
Valve
Cover (PCB)
PCB (main)
Photo-6
Air hose
Cover (air pump)
Cover set screw
Cover (air pump)
Photo-7
Stopper (PCB)
Valve
Valve set screws
Cover set screws
Valve set screws