Parts Manual for Cma Dishmachines 181GW Commercial Dishwasher
Comprehensive parts manual for the Cma Dishmachines 181GW commercial dishwasher, featuring detailed mechanical drawings, component lists, and assembly diagrams for maintenance and repair.
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Jump to the sectionQuick guide from the manual
This document serves as the official parts manual for the Cma Dishmachines 181GW commercial dishwasher. It provides detailed exploded-view diagrams and corresponding parts lists for all major assemblies, including the cabinet, door, electrical tray, chemical dispenser, plumbing, drain, wash, rinse, and heating systems. Use this guide to identify specific replacement parts by their part number (P/N) and description.
Initial Parts Kit
The manual lists an Initial Parts Kit (P/N 1100.66) containing essential components for maintenance, such as motor and heater contactors, timer motor, various solenoid repair kits, rocker switches, pump seal kit, and high-limit switches.
Mechanical Assemblies
The manual provides detailed breakdowns for the following systems:





- Cabinet Assembly: Includes side panels, legs, door gaskets, and splash shields.
- Door Assembly: Details hinges, support rods, magnets, and door stops.
- Electrical Tray: Covers contactors, timers, power blocks, and conduit components.
- Control Box Assembly: Lists switches, relays, temperature display kits, and thermocouples.
- Chemical Dispenser: Includes peristaltic pump components, tubing, and circuit boards.
- Plumbing System: Details hoses, vacuum breakers, solenoid valves, and pressure gauges.
- Drain System: Covers the drain valve, hoses, and clamps.
- Wash and Rinse Systems: Provides diagrams for wash/rinse arms, end plugs, and gaskets.
- Pump Assembly: Details the stainless steel pump motor, impeller, and seal kits.
- Heater Assembly: Covers the triangular flange heater, thermostat, and high-limit switch.
Contact Information
For further assistance or to purchase parts, contact Cma Dishmachines at 12700 Knott Avenue, Garden Grove, California 92841. Phone: 800-854-6417. Fax: 714-895-2141. Website: wwwcmadishmachines.com.
Official resources from the manual
Manufacturer information
CMA Dishmachines
Practical help
Common problems
Check the drain hose connections and clamps; ensure the drain valve is functioning correctly.
Inspect wash/rinse arms for clogs and check the pump impeller and seal kit for wear.
Verify the heater thermostat and high-limit switch (200°F) functionality; check the heater contactor.
Before use
- Ensure the dishwasher's wall breaker is in the OFF position before performing any installation or maintenance.
- Verify all hose clamps are tight and secure.
- Check for any potential leaks after installing new components.
- Ensure all electrical connections are secure and properly insulated.
- Confirm that the correct chemical tubing is connected to the dispenser.
Specs in practice
- High Limit Switch 200°F
- Safety device that cuts power to the heater if the water temperature exceeds 200°F.
- Motor Contactor 2-Pole 20 Amp
- Electrical switch used to control the high-current power supply to the wash pump motor.
- Peristaltic Pump
- A type of positive displacement pump used for precise chemical dispensing.
Images and diagrams
- Exploded views show the assembly order of components with numbered items corresponding to the parts list.
- Dashed lines in diagrams often indicate sub-assemblies or specific routing paths for hoses and wires.
- Items marked with an asterisk (*) indicate specific effective dates or optional configurations.
Model compatibility
- Some parts are shared with the CMA-180UC model; verify part numbers carefully.
- Plumbing system assemblies may vary based on the effective date (e.g., August 2012).
- Heater assembly configurations changed after January 2020.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.