g.Remove and discard o-ring (19) from tube (11) and place tube in oil bath.h.Repeat steps a. through g. to remove the second tube.CAUTIONHandle spool (20) with extreme care. Damage to surface of spoolwill prevent it from functioning properly.i.Carefully slide the spool (20) from the valve body (21). Discard 0-rings (22).j.Inspect all parts for damage. Replace all 0-rings and any part suspected of being damaged. The spool (20) andvalve body (21) are a matched pair and if either is damaged, both must be replaced. Place all replacement partsin oil bath.5-7. 6. 3 Assembly.CAUTIONBefore assembly, check that both valve body and spool arethoroughly dry. Any residual cleaning agent may damage the o-rings.a.Wash all parts with an approved cleaning solvent and dry with low pressure compressed air.CAUTIONHandle the spool (20) with extreme care. Contamination or damageto surface of spool will prevent it from functioning properly.b.Dip the spool (20) and valve body (21) in clean SAE 10 oil and slide spool carefully into the body. If the spooldoes not slide freely into the valve body, inspect for burrs. Remove burrs with a stiff wire brush or no. 400emery paper and repeat steps a. an-d b.c.Place a new o-ring (19) on tube (11).d.Place a new o-ring (18) on button (17) and drop button into the tube (11). Use a screwdriver to push it into place.e.Insert plunger (16), plug (15) and pin (14) in tube (11).f.Place spring retainer (1 3) and spring (1 2) over end of spool (20).g.Install the tube (11) and hand tighten.h.Repeat steps c. through g. for second tube assembly.5-31
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