Exchange Of Complete Valve Rod - WAGNER GM 2800EA Operating Manual

EDITION 03/ 2007
OPERATING MANUAL
8.2

EXCHANGE OF COMPLETE VALVE ROD

Defective sealing surface!
Equipment damage to the gun
Coating error
Do not damage the sealing surface.
SIHI_0034_GB
1. Remove nozzle according t paragraph 5.4.3 and 5.4.5
2. Remove valve seat according to paragraph 8.1
3. Loosen front packing screw (V) 1/2 to 1 turn, using the packing key (W) (available as
accessory), in order to relieve the packing from the valve stem.
4. Pull trigger (Y), unscrew tension nut (X), and remove compression spring (U).
5. Unscrew screw (Z) and remove trigger (Y).
6. Unscrew the packing screw (4) from the packing sleeve (9)
Leaking spray gun!
Risk of injury from coating material coming out
Do not remove the paint sealing sleeve.
SIHI_0035_GB
7. Carefully pull-out complete valve rod using surface (D) – replace if necessary.
8. Reassemble in reverse order – do not forget to screw in the center packing screw (4).
Place compression spring (U) and locking nut (X) in position, pull trigger, and tighten
the locking nut until a noticeable resistance is felt.
9. Carefully tighten the packing screw (V) using the packing key (W) until light resistance
is felt on the valve stem when pulling the trigger. If the packing screw is too tight the
valve stem will jam open. If it is too loose, paint will leak into the gun barrel causing less
of high-voltage.
10. Fit valve seat (G) according to paragraph 8.1
11. Fit nozzle according to paragraph 5.4.3 resp. 5.4.5
PART NO. DOC388891
CAUTION
Attention:
Do not damage sealing surfaces
CAUTION
GM 2800EA
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