Exchange Of Valve Rod Seals - WAGNER GA 2800EA Operating Manual

EDITION 12/2008
OPERATING MANUAL
8.3

EXCHANGE OF VALVE ROD SEALS

1. Remove valve rod as described in paragraph 8.2
2. Hold with universal spanner at surface (D) and unscrew valve sealing element (1/E)
using a small pliers.
3. Remove compression ring with O-ring (2) and seal (3).
4. If the tappet seal is faulty, undo the nut (6) with the universal spanner and pull out the
tappet seal (7).
5. Replace the O-ring (2), the front seal (3) and, if necessary, the tappet seal (7) or the
piston seal ( 5).
6. Reassemble valve rod in reverse order and secure thread with Loctite 270. See
paragraph 8.2.
Unsuitable tool!
Damage to seals and sealing surfaces
Do not hold the valve rod with pliers or a similar tool.
SIHI_0006_GB
Attention:
Do not damage
sealing surfaces
PART NO. DOC350731
CAUTION
3
E 1 2
7
6
Note
Secure threads with
Loctite 270
GA 2800EA, GA 2805EA
5
4
D
B_00140
36