Cal. 7K52A
12
TECHNICAL GUIDE
• Check if the end portion of the setting lever spring for maxi-
mum depth hand is positioned on the setting position mark in-
scribed on the maximum depth hand wheel. If not, turn the pin
for setting lever spring with a screwdriver to adjust the setting
position.
38 First intermediate wheel for calendar correction
37 Second intermediate wheel for calendar correction
Pin for setting lever spring
Maximum depth wheel
Setting position mark
29 Setting lever spring for maximum depth hand
• It is not necessary to remove the setting lever spring for maxi-
mum depth hand from the maximum depth hand wheel except
when it needs to be replaced with a new one.
Second intermediate wheel for calendar correction
First intermediate wheel for calendar correction
• Lubricating
Refer to the illustrations below.
47 Sensor circuit block
• Do not touch the gel surface of the sensor with tweezers or
fingers.
• If it is soiled, lightly rinse it with fresh water and leave it un-
touched until it is thoroughly dry.
• Take care not to scratch the side surface of the sensor and keep it
clean, as the gasket for sensor is attached around it.
Gel surface
Side surface of the sensor
Buzzer lead terminal
Spacer for circuit block
50 Buzzer lead terminal
First, set the buzzer lead terminal to the spacer for circuit block,
and then, install them to the movement.
