50GM 4700ACOPERATING MANUALVERSION 06/2014 ORDER NUMBER DOC231173010.4.4 ASSEMBLY1. Attach the sealing collar (11) to the valve rod (34) together with the insertedO-ring (12) and sealing screw (10).2. Push the completely assembled valve tappet (19) onto the valve rod (34).3. Screw the collet chuck (18) into the clamping sleeve (4) (do not tighten).4. Insert the preassembled valve rod into the preassembled clamping sleeve (4 and18) up to the button stop.5. Hold the clamping sleeve (4) with size 6 mm; 0.24 inch wrench in position, screwthe preassembled valve rod to the clamping sleeve and tighten with a size 5mm;0.20 inch open-end wrench, tightening torque 5 1 Nm; 3.69 lbft. Note referencedimension.6. Carefully insert the complete valve rod (B) into the gun housing.7. Screw in the sealing screw (10) but do not tighten yet.8. Position the trigger guard (21) and fasten with screw (22) and nut (20).9. Insert the pressure springs (3) and (2) and screw on the spring cap (5), tighteningtorque 12 1 Nm; 8.85 lbft.10. Carefully tighten the sealing collar (11, 12) over the sealing screw (10).Ensure that the trigger guard runs smoothly.11. Commissioning in accordance with Chapter 6.8.Note:Only use silicone and resin-free grease.
