KREMLIN REXSON
Page 41
Manual : 573.199.112
FLUID SECTION, MODEL ALTO 50CC (BASE) (REFER TO DOC. 573.395.050)
WARNING!
Before any action on the pump, shut off the compressed air supply
and depressurize the systems by triggering the spray gun.
Guards (air motor cover, coupling shields, connectors,…) 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.
Disassembly of the pump
- Unscrew the 2 nuts (22) and put aside the flange (20), the tie-rods (21) and the protective spring
(23),
- Clamp the pump horizontally through the body (2) into a vice,
- Unscrew the foot valve body assembly (14),
- Take off the piston (8) downwards,
- Put aside the cylinder (7).
Lower valve
- Push on the ball (16) to remove the spacer (17),
- Take off the seat (15), the seal (19) and the pin (18),
- Put aside the seal (13),
- Clean the parts, check them if they are not worn or damaged.
Reinstall the parts in the reverse order of the disassembly sequence.
Cup seals
- Unscrew the cup nut (1),
- Take off the washers (3 & 5),
- Put aside the seals: PTFEG seals (4a) & UHMW seals (4b),
- Clean the parts, check them if they are not worn or damaged.
Reinstall the parts in the reverse order of the disassembly sequence
Piston head
- Unscrew the seat (10),
- Take off the ball (11), the washers (3 & 5) and the seals (12),
- Change the seals : PTFEG seals (12a) & UHMW seals (12b),
- Clean the parts, check them if they are not worn or damaged.
Complete assembly of the fluid section
- Lubricate the cup seals and the piston head seals,
- Slide the piston rod assembly (8) inside the body (2), push it
upwards,
- Screw the cylinder (7) (to stop) into the body (2),
- Screw the foot valve body assembly (14) to stop, tighten slightly,
- Reinstall the protective spring (23), the connection flange (20) and
the tie-rods (21). Screw the two nuts (22),
- Assemble the pump to the pneumatic motor.
4a
4b
12b
12a
3
5
5
3
