Kremlin-Rexson AIRMIX Series Repair manual

KREMLIN REXSON N° : 578.164.110-UK-1204
STAINLESS STELL
AIRMIXPUMPS
20-50
20-50 T
Disassembly / Reassembly
TRANSLATION OF THE ORIGINAL MANUAL
IMPORTANT : Before assembly and start-up, please read and clearly understand all the
documents relating to this equipment (professional use only).
THE PICTURES AND DRAWINGS ARE NON CONTRACTUAL. WE RESERVE THE RIGHT TO MAKE CHANGES WITHOUT
PRIOR NOTICE.
KREMLIN - REXSON
l
150, avenue de Stalingrad
93 245 - STAINS CEDEX – France
 : 33 (0)1 49 40 25 25 Fax : [phone]
www.kremlin-rexson.com

KREMLIN REXSON - 1 - N° : 578.164.110-UK-1204
CAUTION :
Before any action on the pump, shut off the compressed air supply and
depressurize the system.
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.
Guards (air motor cover, coupling shields, housings …) have been designed for
safe use of the equipment.
The manufacturer will not be held responsible for bodily injury or failure and / or
damage to property due to removal or partial removal of the guards
SUCTION VALVE (REFER TO DOC. 573.080.050)
Unscrew suction valve (5) by holding cylinder (2).
The ball (10) is secured on the valve (5) by means of a circlips (9).
Clean the parts.
Reinstall suction valve (5) and seal (25). Replace them if necessary.
EXHAUST VALVE AND MOBILE PACKING
Unscrew cylinder (2) and pull it downwards.
Unscrew exhaust valve (6) by holding piston (3).
Remove ball (17), washer (12) and GT seal (13).
Clean the parts.
Remount the parts in reverse order.
For that :
Install GT seal (13), washer (12) and ball (17) onto exhaust valve (6).
Screw exhaust valve (6) into the piston. The seal must be blocked by screwing exhaust valve (6)
strongly.
If necessary, replace seal (8) when reinstalling cylinder (2).

KREMLIN REXSON - 2 - N° : 578.164.110-UK-1204
UPPER PACKING
Separate motor piston rod from hydraulic piston (3).
Unscrew wetting-cup (4) by means of the wrench
supplied with the pump.
Pull piston (3) upwards to remove upper packing
seals (21 and 22) from upper packing (18).
Reinstall parts in reverse order. Be certain seals (21
and 22) are installed properly (direction,order and
assembly dimension).
Tighten wetting-cup (4).
After reassembly, fill up the pump with solvent
and increase pressure to maximum in the fluid
section. Then stop the pump and open exhaust
valve to depressurize.
Retighten wetting-cup (4) by means of the
wrench, in order to be in accordance with the
opposite drawing.
REVERSING BLOCK (REFER TO DOC. 573.045.050)
Guards (air motor cover, coupling shields, housings …) have been designed for
safe use of the equipment.
The manufacturer will not be held responsible for bodily injury or failure and / or
damage to property due to removal or partial removal of the guards
Disassemble cover (32) by removing CHc screws (33).
Dissociate female yoke (12) from reversing block lever (9).
Dismount reversing block by removing screws (10 and 8).
Reinstall the new reversing block in the reverse order of the disassembly sequence.
31.85 mm
±0.5
CAUTION : The number of spirals must equally be distributed on each fastening parts in
order to get the above dimension.
Before reassembling :
-Clean the parts with the appropriate cleaning solvent.
-Install new seals if it is necessary after having lubricated them with PTFE grease.
-Install new parts if it is necessary.
PTFE G

KREMLIN REXSON - 3 - N° : 578.164.110-UK-1204
ASSEMBLY INSTRUCTIONS
4
20
22
19
18 21
17
12
13
6
8
2
25
9
10
26
5
24 23
1
3
A 2
A 1
A 1
A 2
A 2
A 1
A 1
A 2
A 1
C 1
A 1
A 1
Index Instruction Description Part number
PTFE grease 'TECHNILUB' grease
(10 ml) 560.440.101
Graphite grease Graphite grease box
(1 kg / 2.204 lb) 560.420.005
Medium strength
Aneorobic Pipe sealant Loctite 577
A2
A1
C1