Elkhart 65658000 Worm Shaft for Nitro HD and 7100HDX2 Monitors Valve Rebuild Kit With a brass body 0004725 With a brass body then use the specified spanner method Power Disconnect power while making electrical connections Water supply Open valves slowly to reduce water hammer risk Clearance Keep personnel clear of the stream path and moving equipment Function test Verify stream fog travel and leak free operation bushings and washers during repair Repair quantity Confirm the number of shafts and related parts needed Safe isolation Disconnect electrical power and isolate the water supply before service Reassembly Follow the applicable Elkhart service procedure and check free movement and correct operation Elkhart 65658000 is a replacement worm shaft for specified Nitro HD and Sidewinder HD monitor assemblies