Assembly; Replacing The Nozzle Seal - WAGNER AirCoat GM 4100 AC Operating Manual

Manual gun for flat and round jet nozzles
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VERSION 01/2018

10.4.3 ASSEMBLY

1. Attach the sealing collar (11) to the valve rod (34) together with the inserted O-ring
(12) and sealing screw (10).
2. Push the completely assembled valve tappet (19) onto the valve rod (34).
3. Insert the preassembled valve rod into the collet chuck (18) up to the stop.
4. Hold the clamping sleeve (4) with size 6 mm; 0.24 inch wrench in position, screw the
preassembled valve rod to the clamping sleeve and tighten with a size 5 mm; 0.20
inch open-end wrench.
5. Carefully insert the complete valve rod (B) into the gun housing.
6. Screw in the sealing screw (10) but do not tighten yet.
7. Position the trigger (21) and fasten with screw (22) and nut (20).
8. Insert the pressure springs (3) and (2) and screw on the spring cap (5), tightening
torque 12 Nm; 8.85 lb ft.
9. Carefully tighten the sealing collar (11, 12) over the sealing screw (10).
Ensure that the trigger moves smoothly.
10. Commissioning in accordance with Chapter 6.8.
Note: Only use silicone and resin-free grease.

10.5 REPLACING THE NOZZLE SEAL

NOTICE
Defective nozzle seal!
Product sprays into the air cap next to the nozzle.
Do not clean the nozzle seal with sharp-edged objects.
Replace the nozzle seal if the sealing surface is damaged.
1. Relieve the pressure of the spray gun and device in
accordance with Chapter 7.3.
2. Decommission and clean in accordance with
Chapter 8.2.1.
3. Secure the spray gun with the trigger locking
device.
4. Unscrew the union nut with nozzle guard (33).
5. Remove the air cap (36) together with the nozzle
(13).
6. Carefully release the nozzle seal (17) using a
screwdriver.
7. Attach the new nozzle seal to the valve housing
(16).
8. Continue assembly in the reverse order.
ORDER NUMBER DOC 394821
14 (F)
16
17
13
36
33
B_02269
36

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