User manual EFD 725-HL

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Manual abstract: user guide EFD 725-HL

Detailed instructions for use are in the User's Guide.

 [. . . ] The 725-HL dispense gun is a rugged industrial hand-operated fluid dispensing valve. The valve incorporates a quick change fluid body for fast and easy maintenance.  [. . . ] Apply air pressure to the fluid reservoir. Start with a low setting of 20 psi (1. 4 bar). If using an EFD fluid reservoir,  refer to the User's Guide for further instructions. Install an appropriate size dispensing tip to the outlet tip adapter . Use large tips for high viscosity materials and small tips for low viscosity. To achieve desired flow,  change the size of the dispensing tip or adjust the reservoir fluid pressure. 

open

closed

Service
Follow the exact sequence below to service the fluid body. Loosen the retaining nut  and remove the fluid body. Insert maintenance rod  and remove fluid body cap . Insert rod  through push rod hole and remove sealing head  with flat screwdriver. Hold rod  and remove the fluid body adapter  from the fluid body.  [. . . ] Insert and hold rod  and install sealing head; tighten to 15" pounds. Install fluid body onto handle,  align body to desired position and tighten retaining nut . 

"A"

shaft

diaphragm

Maintenance Tools:
1/8" rod (part #7803) 1/8" NPT maintenance rod (part #72561)

Figure 1

10" adjustable wrench* flat screwdriver*
*customer supplied [. . . ]

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