Filter
Top Products
33
GM 3000AC
M
L
K
N
H
J
I
B_00064
G
F
A
B
C
E
D
R
OPERATING MANUAL
EDITION 05/2007
PART NO. DOC364831
6.4 REPLACING PARTS OF THE VALVE STEM
6.4.1 DISMANTLING
1. Take spraygun out of operation and clean.
2. Relieve the pressure from the gun and unit.
3. Secure gun with trigger safety catch.
4. Unscrew the tension cap (A) remove the springs (B) and (C).
5. Remove trigger pin (H) and screw (J).
6. Remove the trigger (I).
7. Loosen packing screw (G) with open-ended wrench 7 mm; 0.275 inch .
8. Push the valve tappet (E) together with the valve rod (D) backwards by hand.
9. Using pliers pull out parts (E) and (D).
10. Remove packing screw (G) with open-ended wrench 7 mm; 0.275 inch.
11. Remove sealing package (F).
Note:
If parts remain stuck in the hole then remove the air cap (M) with the nozzle (L), then
the valve seat holder (K) using a 12 mm; 0.472 inch wrench and remove. The stuck
components can then be pushed out with a drift max. ø 4.5 mm; 0.177 inch.
12. Exchange any worn parts.
Tightening torque 10 Nm; 7.4 lbft
Tightening torque 8 Nm; 5.9 lbft
Sealing surface
CAUTION
Unsuitable tool!
Damage to seals and sealing surfaces
Do not hold the valve rod with pliers or a similar tool.
SIHI_0006_GB