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Piston rod seals
- Unscrew the seat (18),
- Take off the ball (17), the washers (12 & 16), the seals: PE seals (11b) & PTFE G seals (11d) and
the adjustment blocks (27),
- Clean all the parts, check them; if there are damaged or worn, change them.
Reinstall the parts in the reverse order of the disassembly sequence.
Complete assembly of the fluid section
- Lubricate the cup seals and piston rod seals,
- Slide the piston rod assembly (15) inside the body (7), push it upwards,
- Screw the cylinder (10) into the body (7),
- Screw the foot valve body assembly (26). Tighten slightly,
- Reinstall the protective housing (4), the connecting flange (1) and the tie-rods (14). Screw the 4
nuts (16).
- Couple the fluid section to the pneumatic motor.
Before intervening on the equipment :
Clean the parts with the appropriate cleaning solvent,
-
Install new seals if necessary after having lubricated them,
-
Lubricate the piston and the inside of the cylinder to prevent from damaging the seals,
-
Install new parts if necessary.
-
Adjustment of the suction valve ball cage screw :
Depending upon the fluid viscosity to be pumped, adjust
the height of the screw (19c) to increase the ball up
motion.
Lock the screw (apply Loctite 5772) on the lock nut
(19b).
SAMES KREMLIN
Page 64
19b
19a
19c
Ind. 19
Manual : 573.199.112
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