7
GM 1-350/530
B_5050
A
B
C
D
SERVICE MANUAL
VERSION 02/2015
ORDER NUMBER DOC2355506
2.4
REPLACING THE VALVE ROD
1.
Flush and clean the spray gun as described in Chapter 8.1.3.
2.
Relieve the pressure on the spray gun and product pressure generator in
accordance with Chapter 7.3.2.
3.
Secure the spray gun with the locking device.
4.
Unscrew preload nut (A) using open-end wrench (wrench size 30 mm; 1.18 inches)
and remove pressure springs (B).
5.
The valve rod (D) is unscrewed on the pressure plate (C) using wrench size 10.
Attention: when unscrewing, ensure that the pressure plate is pushed fully onto the
valve rod.
6.
Carefully remove the pressure plate (C) and valve rod (D) from the gun housing,
replace the valve rod (D).
2.4.1
DISASSEMBLING
Note:
The valve rod can only be ordered as a module; individual valve rod parts are not
available.
