Hudson 1948 Commodore Service Manual page 108

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103 BODY MANUAL
through a rise in temperature. Since the piston rod is rigidly
connected to the glass channel through the regulator assem-
bly, no upward movement of the piston can occur. Provision
for a downward movement of the cylinder body is made by
connecting the lower end of the cylinder to the pivoted
expansion arm. Any expansion of fluid forces this arm down
against the tension of the retraction springs.
The tension of the springs and the leverage of the expan-
sion arm have been chosen so that in their extended position
the springs just overbalance the normal thrust of the cylinder.
For this reason pump pressure must not be raised above
260- P.S.I. With any higher pressure the expansion arm
would be moved downward i n normal operation, allowing
no movement of the expansion arm in the event the fluid
became heated. Any expansion of the fluid under such con-
ditions would undoubtedly damage the regulator assembly.
DOOR WINDOW REGULATOR
ASSEMBLY
REMOVAL
1. Remove inside trim and hardware. See. Page 108.
FIGURE 154
2. Remove window glass and frame assembly, see Page 103.
3. Disconnect hydraulic tube (A), Figure 154, and solenoid
electrical connection (B).
4. Loosen two 1/2" hex nuts (C) and remove upper retain-
ing screw (D).
5. Remove regulator assembly thru bottom opening in door
inner panel.
INSTALLATION
Replace in reverse procedure of removal. See Page 114,
"Adjustment".
NOTE: Manually operated regulator is re moved as above
except that it is fastened by screws to the inner panel near the
regulator handle and behind the remote control.
DOOR WINDOW AND GLASS
FRAME ASSEMBLY
REMOVAL
1. Remove all inside trim and hardware from door. See
Page 108.
2. With window in lowered position, loosen the 7/16" hex
head bolts attaching window rest channel to regulator
upper cross member. These bolts are located behind the
side members of the regulator assembly and are accessi-
ble thru the bottom opening of the inner panel.
NOTE: These bolts need only be loosened as the tabs on
the lower glass rest channel are slotted.
3. Slide window and frame assembly up and out of the top
of the door.
INSTALLATION
Reverse procedure of removal and adjust window as
described under "Convertible Top and Window Adjust-
ment", Page 112.
NOTE: Removal and installation procedure is the same
for both hydraulically and manually regulated windows.

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