Genie 108855.0001.S is the OEM replacement Dentil Shaft Assembly for Genie commercial operators equipped with dentil/hoist latch mechanism, Overhead Door commercial hoist operators with dentil engagement. This kit supplies all shaft, bearing, and hardware components needed to restore the drive train to factory specification. Constructed from Steel dentil shaft with integrated dentil cam or latch element, the shaft delivers the torsional strength and wear resistance required in commercial door operator service. Installing an OEM-matched kit preserves alignment tolerances and load ratings specified for the Dentil Shaft.
| Feature | Specification |
|---|---|
| Model | Genie 108855.0001.S |
| Item Type | Dentil Shaft Assembly |
| Materials | Steel dentil shaft with integrated dentil cam or latch element |
| Mounting | Dentil mechanism shaft position in hoist operator, interfacing with dentil latch engagement system |
| Alternate Part Numbers | 108855-0001-S, 108855.0001 |
A: The dentil mechanism is a latch or indexing system used in hoist-type commercial door operators to positively hold the door in position. The dentil shaft carries the latch or cam element that engages notches or teeth on the drive to lock the door against uncontrolled movement.
A: The 108855.0001.S is a shaft assembly, meaning it includes the dentil shaft and the attached dentil cam, latch, or engagement element as a pre-assembled unit ready for installation. Individual shaft and latch components may also be available separately.
A: Related dentil mechanism service parts include the dentil spring (108122), the dentil component (111110), and associated hubs and sleeves. Refer to the operator parts diagram to determine which components require replacement.
A: A failed dentil shaft can cause the door to drift or creep from its set position under load, fail to latch properly in the open or closed position, or produce clicking or grinding sounds during the dentil engagement sequence.
A: Disconnect and lock out power, safely support the door in position before disengaging the dentil latch, extract the worn dentil shaft assembly, install the new 108855.0001.S assembly, and verify proper latch engagement and spring tension before restoring operation.