KREMLIN REXSON
Page 33
Manual : 573.199.112
17. DISASSEMBLY & REASSEMBLY - PU 3000 PNEUMATIC, PU 3000 AIRMIX
CAUTION : Before any work is carried on the pump, stop the machine after
carrying out flushing, shut off the compressed air supply and depressurize the
circuits triggering the gun.
The pump is manufactured under the ATEX agreement and can not be modified.
KREMLIN REXSON will not be held responsible for any failure to comply with that
instruction.
MIXER
Unscrew the mixer assembly and replace it with a new one.
PILOTED VALVES
1
2
3
4
5
6
8
9
10
11
11
13
14
15
16
7
CARTRIDGE OF A FLUID VALVE (Ind. 9)
Loosen the 3 screws (7) and take off the valve from the module body.
Unscrew the needle (1). Unscrew the cylinder (4).
Hold the rod strainer (6), unscrew the needle rod and remove the cartridge assembly with rod (9).
Assemble the new cartridge (9) into the cylinder support (2) pushing it until the shoulder of the cartridge
rests on the shoulder of that support, then reassemble all parts of the valve in the reverse order of the
disassembly.
Present the valve in front of the module body.
Center the cartridge (9) on the module body then reassemble the screws (7).
PISTON PACKING (Ind. 14)
Unscrew the cylinder (4).
Remove the spring (5).
Unscrew the opening signal light (8).
Unscrew the nut (16).
Remove the support washer (15) and the packing
(14).
Clean the parts and change them if necessary.
Before reassembling :
Before assembling on the piston (13), take care
of shaping the cartridge lip (14) by hand as
shown in the above drawing (cartridge turned up
on the piston).
The nut (16) must be glued on the piston (13) with
loctite adhesive (eg : Loctite 222).
13
14
15
16
4
8
5
