Disassembly / Reassembly Operation
41
Lower valve (REXSH0715-
-
-PC-
)
Unscrew the end (43),
Unsrew the nut (35), take off the shovel (34),
Unscrew the nut (39),
Unscrew the lower body (21),
Retrieve the valve stop (24),
Retrieve the spacer (42),
Take off and check the seat (30), change it if necessary,
Take off and check the seal (18), change it if necessary,
Take off and check the first seal (9), change it if necessary,
Unscrew the cylinder (10),
Loosen the gland nut (5),
Take out the equipped piston rod (15) downwards,
Take off the pin (23), unscrew the shovel rod (31),
Take off the gland nut (27),
Take off, check and rplace if necessary,
Remove, check, replace if necessary in the following order:
the first “M” washer (25),
the first 5 seals (26),
the spacer (47),
the last seal (26),
the second “M” washer (25)
Remove the lower valve (28)
Nota : Check the seat (30.) In the event of damage to the seat, the
change of this the last one always leads to the replacement of the
valve (28).
