Replacing Valve Tappet Seals; Replacing The Rod Seal - WAGNER GM 4700AC Operating Manual

VERSION 06/2014
OPERATING MANUAL
10.4.2

REPLACING VALVE TAPPET SEALS

1. Hold valve tappet (50) in place with size 13 mm; 0.51 inch open-end
wrench on and unscrew cover (53) with a size 7 mm; 0.28 inch single
open-end wrench.
2. Remove the air valve seal (51) and seal (52) and replace with new seals. For
the assembly of the air valve seal (51) a special tool (Order No. 179989) is
necessary.
3. Screw the valve tappet (50) and cover (53) together by hand. Carefully
tighten in small increments with a 7 mm; 0.28 inch and 13 mm; 0.51 inch
open-end wrench until a slight resistance is perceptible when moving the
valve rod (34) in the valve tappet.
Note:
The seal (52) can be pulled out of the cover (53) with the help of an eye bolt.
10.4.3

REPLACING THE ROD SEAL (35)

1. Carefully pull the rod seal (35) out of the gun housing.
2. Clean sealing surfaces in the gun housing.
3. Fit the new rod seal (35) to the rod seal tool (84).
Note:
Note the installation position of
the rod seal (35).
4. Insert the rod seal tool (84) together with the rod seal (35) into the
drilled hole.
5. Fit the trigger guard (21) with screw (22) to the gun and
6. carefully push the tool with rod seal (35) over the trigger guard (21) into
the recess in the housing.
7. Remove the trigger guard (21), screw (22) and rod seal tool (84).
ORDER NUMBER DOC2311730
B_02688
GM 4700AC
B_02274
22
84
35
Spraying direction
50
51
52
53
21
B_02268
49