Netafim SCREENGUARD SG V 2 - Piston-Gasket Replacement; Piston Seal Replacement

32 SCREENGUARD
™
INSTALLATION AND USER MANUAL
TROUBLESHOOTING
Piston-gasket replacement
Disassembly:
1. Remove 8 screws (A) with a 10mm wrench
2. Remove washers (B)
3. Pull piston cylinder (C)
4. Remove gasket (D)
Assembly:
1. Place gasket (D) inside piston cylinder (C)
(Mind gasket orientation, flat side up)
2. Place piston cylinder (C) on piston cap (E)
3. place washers (B) and hand-tighten screws (A)
Piston Seal replacement
Disassembly:
1. Release nut (A) while holding nut (B) with a 19mm wrenches.
If nut (A) is released: Remove the piston seal (H).
If nut (B) is released:
Remove washers (C) and plastic spacer (D).
Under the plastic spacer (D) you will find a recess (E)
on the rod (F).
Hold this recess (E) to prevent rotation of the rod (F)
and release nut (A) with a 19mm wrenches.
Do not extract the rod (F) from the piston cover (G).
Remove the piston seal (H).
Put the plastic spacer (D), washers (C) and nut (B) back in place.
Assembly:
1. Place a new piston seal (H).
2. Hold nut (B) to prevent rotation of the rod (F) and tighten nut (A)
with a 19mm wrenches.
4. Apply grease to the piston seal (H).
H
A
E
D
F
C
B
E
D
C
B
A