Conversion Kit Converts old style "SB" booms with 104A sealed cartridges to the new style "ESB" booms with the 20401 Elbow

Model ESB Swivel Boom is ideal for heavy commercial use in coin-operated car washes, service bays and in car and truck fleet cleaning departments. The boom permits 360° of free and easy swivel rotation around a vehicle in an 11 foot diameter. Heavy gauge all steel mounting base, non-corrosive metal internal parts and double ram ball bearings for effortless boom swing. Boom length is 5 or 8 feet. Pressures to 3000 psi. Extensions are also available.

FEATURES:

• All internal parts made of non-corrosive metals
  
• Heavy gauge, all steel mounting base
  
• Rubber seals prevent moisture from entering bearings
  
• Screw securely locks boom arm
  
• Twin compression springs in suspension mechanism. Springs are tension adjustable for easy up/down motion allowing for a variety of hose and gun weights.
  
• Swivel rotates 360°
  
• Double row ball bearings in swivel cartridge for effortless boom swing
  
• Second O-Ring prevents grease from contaminating car wash detergent O-Ring, prolonging life of the seal
  
• High-strength, one-piece
  
• 1/8" thick boom carrier
  

Auto Return Feature can be used on 204 & 206 Models. (Boom springs back to predetermined location.)
Note: Zierden swivels should use Sil Glyde silicon base grease for maintenance.
Using other lubricants might cause seal failure.