Hudson 480-490 Series Service Manual page 79

480-490 series
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FIGURE 107
To raise the top, the knob is pushed in. In this position,
Figure 108, fluid from the pump is directed to the bottom
of the cylinders, and fluid from the top of the cylinders
flows back to the fluid reservoir.
FIGURE 108
FIGURE 109
VALVE AND SWITCH ASSEMBLY
REMOVAL:
1. Loosen set screw (E), Figure 109, and remove control
rod (F) from cap of valve (G).
2. Remove wires from valve cover (A) and valve body (B).
3. Disconnect four hydraulic inlet and outlet tubes (C)
from valve body.
4. Remove screws (D) attaching valve body to support
bracket.
The valve and switch assembly is now completely
disconnected for removal from the car.
NOTE: The Phillips head screws attaching the
valve and switch assembly to the support bracket
are best removed with an offset Phillips head
screw driver. The moulded plastic cover is held in
place by four attaching screws and is sealed from
leakage by a synthetic rubber gasket. A second
rubber gasket installed between the plastic valve
and inner cover seals the valve operating shaft
against leakage. The switch assembly is held to the
operating valve shaft by a Phillips screw (H).
Figure 110 shows the top control valve with cover
removed. Operating the top control rod moves the
cover until contact is made between 1 and either 2
or 3, completing the circuit to the pump motor.
FIGURE 110
INSTALLATION:
To install, reverse procedure of removal.
BODY MANUAL
73

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