

Part number 742-051 is an Air Motor Minor Service Kit that contains all necessary seals, O-rings, and gaskets for routine maintenance of the air motor on compatible Commander sprayer systems. This comprehensive kit restores proper air motor performance and extends equipment service life.
| Part Number | 742-051 |
|---|---|
| Part Description | Air Motor Minor Service Kit |
| Fits | Commander |
| Condition | New |
Part number 742-051 is an Air Motor Minor Service Kit specifically engineered for the Commander series professional spray systems. These industrial-grade units are designed for demanding coating applications requiring reliable, high-pressure fluid delivery. This comprehensive service kit contains all necessary wearable components for routine maintenance of the 742 Series Air Motor. The kit includes balls, O-rings, valve sleeve O-rings, stop nuts, air valve O-rings, bushings, piston O-rings, gaskets, wear rings, and other critical sealing elements. Regular maintenance at recommended intervals ensures optimal air motor performance and longevity.
The Commander air motor requires normal maintenance inspection at 1500 hours of service for non-circulating models. The service procedure includes replacement of this Motor Service Kit, Minor. The kit contains all components needed to rebuild the air motor during routine maintenance. It is suggested that one Motor Service Kit, Major be kept on hand for normal maintenance and emergency repairs, as the major kit includes this minor kit plus additional components.
Air motors are subjected to continuous cycling, friction, and potential contamination. Worn seals and O-rings cause air leaks, reduced power, erratic operation, and eventual motor failure. Replacement with genuine 742-051 air motor minor service kit restores proper air motor sealing, ensures reliable operation, and extends the service life of Commander spray systems. Following the detailed disassembly and reassembly procedures in the service manual is essential for successful installation.
| Seal Replacement | Includes all O-rings, gaskets, and wearable components for air motor |
|---|---|
| Performance Restoration | Eliminates air leaks and restores full motor power |
| Preventive Maintenance | Recommended at 1500 hour service intervals |
| Scheduled Maintenance | Replace at 1500 hour service intervals |
|---|---|
| Air Leaks | Audible air leaks from motor during operation |
| Loss of Power | Reduced motor speed or erratic operation |
| Performance Issues | Difficulty maintaining pressure or erratic pump operation |
Part number 742-051 is specifically designed for the Commander series professional spray systems. This air motor minor service kit is engineered for the 742 Series Air Motor used in Commander units. The kit contains all components listed in official service documentation for routine maintenance. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| Commander | Air Motor Minor Service Kit |
The minor service kit is part of a comprehensive maintenance program. When servicing the air motor, these related parts are often addressed at the same time.
Part # 742-501 includes the minor kit plus additional components for complete overhaul.
Part # 742-942 includes air line and fittings. Inspect for damage during motor service.
Part # 141-057 removes moisture from air supply to prevent icing and extend motor life.