Graco 16X423, Repair Manual

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Service
333028E 7
3. Tighten piston valve to piston rod as specified:
4. Soak all leather packings in SAE 30W oil for one
hour minimum prior to assembly. Place male gland
(204) in cylinder. Alternately stack UHMWPE (203)
and leather packings (223) (note orientation). Place
female gland (224) in top of cylinder seat packings.
5. Install seal (201) into packing nut (202). Install
o-ring (228) onto packing nut. Loosely install pack-
ing nut into cylinder.
6. Grease piston packings.
7. Slide piston assembly into bottom of sleeve.
8. Grease top inch or two of piston rod that will go
through the cylinder throat packings.
Models Torque
16Y598, 16X428 27 ± 3 ft-lb.(36.6 ± 4.1 N•m)
16Y706, 16X429,
16Y601 55 ± 3 ft-lb.(74.6 ± 4.1 N•m)
16X423, 16X425 100 ± 5 ft-lb.(136 ± 7 N•m)
ti7576a
ti7573f
203
224
223
204
Not
used on
16Y598,
16X428
ti7581a
201
202
228
NOTICE
Do not slide piston assembly into top of sleeve as this
may damage piston packing.
ti7578c
ti7577a
ti7579a