Samoa 347120 Guía De Servicio Técnico Y Recambio página 4

EN
REPAIR AND CLEANING PROCEDURE
UPPER VALVE
1. Unscrew the valve seat (38) from the valve body (32) and remove the
washer (34), the oil plunger (33), the washer (35), the ball (37) and
the spring (36).
2. Clean these parts carefully. In case of damage, replace the affected parts.
3. Assemble the pump following the previous instructions, reversing
each step.
INVERTING SET AND AIR MOTOR
1. Fix the air motor body in a suitable way and unscrew the air motor
screw then remove it slowly.
2. Check the upper spring (3) and the spring stop (4) inside the air
motor dolly (1). Replace in case of damage.
3. Dismount the lower circlip (20) and muffler (19) and washer (18) and
pull up the inverting set until the hole in pump piston (10) gets
visible in the opening where the muffler was dismounted. Introduce
a steel rod (8 mm) in the hole to lock the piston.
4. Use a prepared 17 mm wrench (see fig. 9) to disassemble the
inverting set (5).
5. Remove the piston (10) and disassemble the circlip (11), the washer
(12) and the seal (13) (fig. 10). Check the piston for scratches and
replace damaged parts.
6. Assemble the pump following the previous instructions, reversing
each step.
LOWER VALVE
1. Follow the procedure for the air motor until the air piston
(10) is outside the air motor body.
2. Remove the circlip (22) and the packing set (21) (fig. 11)
from the air motor body. Replace in case of damage.
3. Assemble the pump following the previous instructions,
reversing each step.
NOTE: The packing set is directional and must be mounted
with the seals positioned as shown in (fig. 12).
4
834 809 R. 03/18
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
11
12
13
Fig. 9
30
31
32
34
33
35
36
37
38
3
4
10
Fig. 10
21
22
Fig. 11
29
Fig. 7
20
19
Fig. 8
18
Fig. 12
21
22