6550-065-A-4-12
36
7.5 Gearbox Shaft Extension Replacement
CLOSE
OPEN
Gearbox Shaft Extension with 4 Keys
Key
Crank Arm
Key
Key
Key
Gearbox
Snap Ring
Stainless Steel Washer
Limit Sensors Collar
Brass Bushing
Hub Assembly
Remove the
TWO
allen screws on
bottom of hub to remove the complete hub assembly.
Limit Sensor Assemblies
Loosen set screws on plastic
limit assemblies to remove
them.
Be CAREFUL
not to damage limit sensor
wires after the assemblies
have been removed.
Note:
Close Limit Sensor
assembly must be reinstalled
on
TOP
of Open Limit Sensor
assembly.
Gearbox Collar
Remove the
FOUR
allen screws to remove the gearbox collar.
1
1
3
4
2
2
Set Screws
Summary of Contents for Series 6550
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