8
GM 1-350/530
B_5053
A
B
C
D
1
3 Nm; 2.2 lbft
B_5052
D
1
C
1
B_5309
SERVICE MANUAL
VERSION 02/2015
ORDER NUMBER DOC2355506
2.4.2
ASSEMBLY
1.
The valve rod (D) is screwed into the gun housing using the pressure plate (C). Here,
ensure that the pressure plate with the recess is pushed completely onto the valve
rod's wrench size (drive coupler) in order to transfer the torque (see Detail 1).
2.
Using a wrench size 6 on the pressure plate (C), screw the pressure plate and valve
rod (D) into the gun housing, tightening torque 6 Nm ± 1 Nm; 4.43 lbft.
3.
Insert the pressure spring (B) and tighten the preload nut (A).
4.
Adjust the valve rod (D) using the Allen wrench (size 3) so that no actuation occurs
in the secured position. Opening stroke 1.2 ± 0.1 mm.
Drive coupler
NOTICE
Unsuitable tool!
Damage to seals and sealing surfaces
Do not hold the valve rod with pliers or a similar tool.
Wrench
size SW 3
Drive coupler
