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

EDITION 10/2005
OPERATING MANUAL
8.2

EXCHANGE OF COMPLETE VALVE ROD

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 valvestem.
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)
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. DOC0388891
Attention:
Do not damage sealing surfaces
GM 2800EA
35