1b 1a 8a 3 6 7a 5 2a 7b 2b 8b 4
1b 1a 8a 3 6 7a 5 2a 7b 2b 8b 4
1b 1a 8a 3 6 7a 5 2a 7b 2b 8b 4
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<strong>1a</strong><br />
<strong>1b</strong><br />
3 4<br />
5<br />
6<br />
Remove old gasket<br />
Only if mounted with 0,9 (net). Disassemble,<br />
clean and reassemble with new net.<br />
<strong>7a</strong><br />
If no GFC/GFB<br />
Annual Maintenance of Pres-Vac Valves Maintenancekit A for vacuum side of valve.<br />
Only if mounted with 0,9 (net)<br />
Place new O-ring<br />
DO NOT<br />
dissasemble<br />
Vac-seat/housing<br />
and weight.<br />
Do not clean in<br />
ultrasonic bath.<br />
<strong>7b</strong><br />
Only if mounted with<br />
GFC/GFB<br />
Only if mounted with 0,65 (filter)<br />
Place new O-ring<br />
Remove old O-ring<br />
Inspect and clean<br />
<strong>2a</strong><br />
If no GFC/GFB<br />
<strong>8a</strong><br />
Only if mounted with 0,9 (net)<br />
Remove old O-ring<br />
<strong>2b</strong><br />
Remove old O-ring<br />
<strong>8b</strong><br />
Only if mounted with 0,65 (filter)<br />
Only if mounted<br />
with GFC/GFB<br />
Place new gasket<br />
Place new O-ring<br />
Warning: Do not clean in ultrasonic bath
Annual Maintenance of Pres-Vac Valves Maintenancekit A for pressure side of valve.<br />
1<br />
Before work lift top and<br />
protect the seat with a<br />
cloth.<br />
The cloth must remain<br />
on top of the seat,<br />
throughout the<br />
dissembly, cleaning and<br />
assembly.<br />
Remove the cloth before<br />
adjusting procedure.<br />
5<br />
9<br />
13<br />
Remove old O-rings<br />
Mount lockwasher, adjust<br />
screw, nut and split.<br />
2<br />
6<br />
10<br />
14<br />
Remove old O-ring<br />
Unscrew and remove inner<br />
magnet part.<br />
Cap is mounted for adjustment.<br />
Mount new O-rings<br />
After adjustment, remove<br />
cap and lock the<br />
lockwasher.<br />
Remount cap.<br />
3<br />
7<br />
11<br />
Unscrew inspection<br />
plug<br />
and remove old<br />
gasket<br />
Mount new O-ring<br />
Adjusting the opening pressure:<br />
After overhaul, adjustment of the relief pressure is needed.<br />
The relief pressure adjusting mechanisms are adjustable within<br />
the span given<br />
for the approved Configuration.<br />
For this operation, a PRES-VAC Test Rig is recommended.<br />
For further instructions, look in the manual.<br />
Lift and remove top unit<br />
from housing.<br />
Inspect and clean top<br />
unit and housing.<br />
Screw and remount inner<br />
magnet part.<br />
4<br />
8 Oiler<br />
Replace O-Ring<br />
12<br />
Replace oiler<br />
Grease lifter<br />
Adjustment is done as described below:<br />
• Unlock the lock washer, and unscrew the nut<br />
• To increase the opening pressure setting, turn the adjusting<br />
screw clock-wise<br />
• To decrease the opening pressure setting, turn the adjusting<br />
screw<br />
counter-clock-wise<br />
• Remount the lock washer, mount the nut and lock the lock<br />
washer again.<br />
Warning: Do not clean in ultrasonic bath
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