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REPAIR AND CLEANING PROCEDURE
LOWER SEALS KIT
1. Take away the air motor from the lowers, as described previously.
2. Unscrew the bolts (68) and remove the body (69).
3. Unscrew the scraper nut (51) and extract both the washer (53)
and the gasket (56). Replace seals (52), (54) x2, (55) and (57) by
new ones.
4. Take away the assembly consisting of parts (71), (75), (80) and
(85) from the lowers.
5. With the tube (73) secured on a vise, unscrew the tube (95).
6. Extract the parts 2 x (74), (91) and (92). Take away the circlip
(87) from the valve (91) and replace parts (88), (89) and (90) by
new ones.
7. Using the knurled surface, unscrew the part (81) and replace the
seals 2 x (82) and (83) by new ones.
8. Assemble again in reverse order, replacing all metallic seals (72)
and (74) by new ones.
9. All necessary seals are inlcuded in the available kit 534400.
CLEANING OR REPLACING THE LOWERS VALVES
1. Disassembling the lowers as described previously, the fluid valves
can be easily accessed.
2. Lower valve: parts from (86) to (92). kit 534401.
3. Upper valve: parts from (76) to (80). Kit 534402.
NOTE: to unscrew the upper valve (80), secure it in a vise and
unscrew the rod (75) by grabbing it in the pin (70) area in order to
avoid damaging the quality of the surface intended for sealing.
PARTS LIST / TECHNICAL DATA / DIMENSIONS
PAGE: 32, 39 AND 40.
6
853 804 R. 06/20
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
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