39
Member of Exel group
DRT582221110
B - 2023/01
6.4.6. Procedure C2: Reassembly of the needle assembly (9) and the air valve (10)
ATTENTION: If necessary, change the seal (14) or the
complete needle assembly (9).
•
Step 1
:
Lubricate (PTFE) the seal (14).
•
Step 2
:
Insert the new needle assembly (9) from the front.
•
Step 3
:
When mounting the seat-holder (4), the needle assembly
(9) must come to a stop.
•
Step 4
:
Grease (PTFE) springs (9.1 & 10.1), the needle rod (13),
the air valve (10) and the needle stop thread (11).
•
Step 5
:
Install the air valve (10), the needle rod (13), the needle
carrier (12) and the springs (9.1 & 10.1).
•
Step 6
:
Screw the needle stop thread (11).
Tightening torque: 10 Nm / 7.37 ft-lb.
•
Step 7
:
Apply glue (Loctite 222) on the screw thread (5.1).
Replace the trigger (5.3) and the trigger spindle (5.2).
•
Step 8
:
Tighten the screw (5.1).
4
9
14
11
5
9.1
10.1
12
10
5.2
5.1
5.3
13
