Dormakaba 203035-000-01 Simplex 1000 Series Service Kit

Product Description

The DORMAKABA 203035-000-01 is a service kit designed for the Simplex 1000 Series mechanical pushbutton lock. The kit supplies the internal components most commonly replaced during scheduled maintenance or field repair, covering the core mechanical operating assembly. Included components address the full drive and clutch mechanism, making this kit appropriate for locksmiths, facility maintenance technicians, and access control service professionals who perform hands-on work on Simplex keyless entry hardware.

The Simplex 1000 Series is a mechanical combination lock used in commercial and light institutional applications — office suites, storage rooms, stairwells, and similar doors where keyless, battery-free access control is required. This service kit supports technicians maintaining those doors in the field without sourcing individual components separately. It is suited to both preventive maintenance intervals and reactive repair after wear or damage to internal drive components.

Key Features

• Includes chamber shaft bushing for maintaining alignment of the combination chamber
• Clutch assembly for restoring proper combination engagement and release
• Combination chamber component supports accurate code actuation
• Drive shaft included in two configurations: without key override and with key override
• Knob return spring restores knob to neutral position after actuation
• Fixed sleeve and stop plate complete the internal drive and limit mechanism

Compatibility

Designed as a service replacement kit for the DORMAKABA Simplex 1000 Series mechanical pushbutton lock.

Installation Notes

Installation should be performed by a qualified locksmith or trained access control technician familiar with Simplex mechanical lock disassembly. Remove the lock from the door and disengage all tension before replacing internal components. Refer to the manufacturer service documentation for component sequencing during reassembly. Verify correct function of the combination and any key override feature before returning the lock to service.

Technical Specifications

• Compatible Series: Simplex 1000 Series
• Kit Contents: Chamber Shaft Bushing, Clutch Assembly, Combination Chamber, Drive Shaft (No Key Override), Drive Shaft (with Key Override), Knob Return Spring, Fixed Sleeve, Stop Plate

Standard Information

• Brand: DORMAKABA
• Manufacturer Part Number: 203035-000-01