Service
6 310643U
2. Install ball (206) in piston rod. If thread sealant is
applied to piston valve threads, make sure that none
gets on ball.
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.
Models Torque
248204, 253056,
255968, 244069
27 +/-3 ft-lb.(36.1 +/-4.1 N•m)
248205, 249057,
249059, 277070,
257146
55 +/-3 ft-lb.(74.6 +/-4.1 N•m)
NOTICE
Do not slide piston assembly into top of sleeve as this
may damage piston packing.
203
Not
used on
248204,
253056,
255968