TABLE OF CONTENTS FORWARD / INTRODUCTION ..................3 PRODUCT SPECIFICATIONS AA290AG-- Air Motor-Driven Tank Washer ............4 Performance & Dimensional Data ..............4-5 MAINTENANCE INFORMATION Removal / Replacement of Spray Nozzles ............6 Removal / Replacement of Air Motor Drive ............. 6 Removal / Replacement of Motor Drive Coupling ..........
The equipment and/or parts described in this document were manufactured and assembled with the quality and high reliability, which have become synonymous with ® the name of Spraying Systems Co. Note: The description and specifications contained herein were effective at the date of ®...
MAINTENANCE Removal and replacement of spray nozzles (see parts list drawing PL 290AG: p10) Unscrew spray nozzles (20) from nozzle hub (19) and inspect for wear and plug gage. If the nozzles need replacement, obtain new nozzles. If a nozzle is plugged or partially plugged, clean out the orifice and inlet area with a wooden toothpick or other relatively soft probe.
Replacement/Removal of air motor drive coupling (8) (see parts list PL 46340: p13) First, follow procedure above for “Removal of #46340 Air Motor Drive”. With a rubber mallet tap the coupling (8) to dislodge it from the gear reducer (10). Align the key way on the coupling (8) with the key (9) on the gear reducer (10) shaft and lightly tap the coupling (8) till the coupling (8) bottoms on the gear reducer (10) shaft.
Replacement of nozzle hub bushings (14)) (see parts list PL 290AG: p10) Unscrew (clockwise-left hand thread) rotary housing plug (21), and slide bushings (14), and nozzle hub (19) off the rotary housing (13). Remove any foreign material from nozzle hub gear teeth.
Use detergent SAE #10 automotive engine oil. Consult with you local supplier of ® lubricants or contact your local Spraying Systems CO sales office. NOTE: The air source must be water free, and be properly lubricated to prevent rust and excessive friction from wearing out the motor prematurely.
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