28
GM 4600AC
B_02680
5
2
3
4
18
50
51
52
53
34
21
22
19
20
A
B
10
11
12
OPERATING MANUAL
EDITION 02/2008
Part No. DOC394861
6.4
REPLACING PARTS ON THE VALVE ROD
6.4.1
DISASSEMBLING
1. Finishing work and cleaning.
2. Relieve spray gun and unit pressure.
3. Secure gun with trigger safety catch.
4. Unscrew spring cover (5) and remove compression springs (2) and (3).
5. Loosen screw (22) and remove together with nut (20).
6. Remove trigger (21).
7. Loosen sealing screw (10) with single open-end wrench SW 7 mm; 0.28 inches.
CAUTION
Unsuitable tool!
Damage to seals and sealing surfaces
Do not hold the valve rod with pliers or a similar tool.
SIHI_0006_GB
8. Carefully pull the complete valve rod (B) together with sealing screw out of the gun
housing (A) toward the rear.
9. Hold the clamping sleeve (4) with open-end wrench SW 6 mm; 0.24 inches and loosen
the collet chuck (18) with socket SW 2 mm; 0.08 inches.
10. Carefully pull the valve rod (34) out toward the front. Replace the relevant parts.
