Samoa 404 100 Guide D'instructions Et Pièces De Rechange page 5

REPAIR AND CLEANING PROCEDURE
FOOT VALVE (FIG. 12)
1. Unscrew the foot tube with the intake filter (39) from the high
pressure cylinder. Attach the foot tube to the vice, unscrew the intake
filter (39) remove the foot valve seat (38), the foot valve assembly
(37) and the valve washer (36).
2. Clean these parts, replace in case of damage. Assemble the pump
following the previous instructions, reversing each step.
PRESSURE CHECK VALVE (FIG. 13)
1. Introduce a steel rod (ø 4 mm recommended) through the lower
grease passing hole in the high pressure piston (29) and unscrew it
from the grease valve body (B).
2. Clean the grease valve ball (28) and its seat in the high pressure
piston (29). In case of damage, replace the affected parts.
3. If the high pressure piston (29) is scratched, unscrew also the high
pressure cylinder (33) from the suction tube and from the foot tube
(37) to check it. Assemble the pump following the previous
instructions, reversing each step.
NOTE: The high pressure piston and cylinder must always be
replaced at the same time.
INVERTING SET AND AIR MOTOR
1. Fix the air motor body in a suitable way and loosen the five screws (D) to remove the air motor dolly (43).
2. Introduce an open end wrench in the milling of the lower part of the air piston. With another wrench unscrew the air piston nut (1) and remove
the parts (1), (2), (3) and (4).
3. Pull the air piston rod downwards until it is completely outside the motor body.
4. Unscrew the spring nut (G) from the motor body and remove the parts (G), (20), (19), (18) y (17).
5. Unscrew the screws (15) and remove the parts (14), (13), (12), (11), (10) y (9).
PACKING SET AND O-RING (FIG. 15)
1. Follow the procedure for the air motor until the air piston rod is
outside the air motor body.
2. Remove the packing set (22-24) and the O ring (21). Replace these
parts and clean the seat of the O ring.
NOTE: It is important that these parts are mounted in correct order:
Place first the O ring in its correct position inside the motor body.
Introduce thereafter the big and the small packing set.
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
Fig. 12
Fig. 14
Fig. 15
R. 03/18 840 801
Fig. 13
5