Manual

Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. Manual-no.: 01-005-005-36-1
page 26 of 35Translation of the original instructions
6.3 Replacing the valves
EX
IN
Loosen the clamping brackets on the valve heads.
➨ Unscrew at each clamping bracket the two countersunk
screws with a Torx driver T20. Remove the clamping
brackets.
Loosen connection fastener slightly.
➨
 TurnthellisterheadscrewwithaTorxdriverT20atmost
one turn.
+ Do not detach the llister head screw from the square
nut.
➨
 Openthehingedcoveroftheconnectionfastenerwitha
slotted screwdriver.
➨
Remove valve heads along with the disc springs, con-
nection tube if applicable, hose nozzles and connection
fasteners or move the valve heads carefully aside. Note
position and orientation of the valve heads.
+ Note position and alignment of valves.
➨ CheckvalvesandO-ringsfordamageandsoiling.
➨ ReplacevalvesorO-ringsifnecessary.
➨ Usepetroleumetherorotherindustrialsolventtoremove
deposits. Do not inhale vapors.
➨
 InsertO-ringsandvalves.Seegureforthecorrectposi-
tion of the valves:
+ Inlet side (IN):
Marked ”IN” next to the valve seat. The valve tongue points
atthekidney-shapedoriceinthevalveseat.
+ Outletside(EX):
Marked with ”EX” next to the valve seat. The valve is ori-
ented the same direction as the valve at the inlet side.