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Replacements and Installations
SM4530-1 – 30APR96 13
Replacing the MECHANISM ASSEMBLY
Warning
Dangerous Voltage
[1] Disconnect the main power.
[2] Do the replacement procedure for the LOWER
HOUSING ASSEMBLY.
[3] Cut and remove the necessary WIRE TIES.
[4] Disconnect the 2 wires from the CYCLE
SOLENOID on the SMALL CIRCUIT BOARD.
[5] Pull the SMALL CIRCUIT BOARD up.
[6] Disconnect all wires connected to the
MECHANISM ASSEMBLY:
• 1 yellow wire from CYCLE SWITCH
• 1 orange wire from WIRE NUT
• 1 green wire from POWER CORD
• 2 green ground wires from the lower
MECHANISM ASSEMBLY
[7] Remove the FOCUS KNOB from the FRONT
PANEL.
Important
For Auto-Focus models only, disconnect the short, gray
wire connected to the AUTO-FOCUS DEFEAT
SWITCH.
[8] Remove the 3
Torx
SCREWS from the LENS
MOUNT ASSEMBLY.
[9] Lift and move the LENS MOUNT ASSEMBLY up.
[10] Do the replacement procedure for the MOTOR.
[11] Remove the 3
Torx
SCREWS from the
MECHANISM ASSEMBLY.
[12] Loosen the SCREW on the STABILIZER WALL
approximately half way.
[13] Remove the SCREW from the DARK SHUTTER
SWITCH and remove the SWITCH.
Caution
There might be a bind between the SELECT LEVER
and the SELECT BUTTON when removing the
MECHANISM ASSEMBLY. Do not use force; this
might cause damage to the SELECT BUTTON.
[14] Remove the MECHANISM ASSEMBLY.
A091_4022CA
SWITCH
DARK
SHUTTER
ASSEMBLY
MECHANISM
(not shown)
DEFEAT SWITCH
AUTO FOCUS
FOCUS KNOB
A091_4022CCA
SCREW
MOUNT
LENS
SCREW (3)
SCREW