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CAUTION
To reduce the possibility of costly damage to the rod
(1) and cylinder (2), always use a plastic or wooden
block to help drive the rod out of the cylinder. Never
hit the rod with a hammer.
5. Turn the cylinder (2) upside down and strike the
top of the rod (1) on a plastic or wooden block until
the piston comes free. Pull the rod and piston from
the cylinder, being careful not to scratch the parts.
See Fig. 6.
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Fig. 6
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Torque to 258–285 N m (190–210 ft–lb).
Fig. 7
Service
6. Shine a light into the cylinder (2) to inspect the
7. Place the flats of the piston seat housing (10) in a
8. Using an adjustable wrench, unscrew the piston
9. Examine the displacement rod (1) for scratches or
10. Remove the glands and v-packings (P) and the
2
11. Unscrew the packing nut (8) from the outlet hous-
04518
12. Clean all parts with a compatible solvent and
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10
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inner surface for scoring or wear. Remove the two
seals (11) from the cylinder.
vise, as shown in Fig. 7.
ball housing (9) from the piston seat housing. Be
careful to catch the piston ball (12) as you sepa-
rate the piston seat housing and ball housing, so
that it does not fall and suffer damage.
other damage. Only if the rod needs replace -
ment, place the piston ball housing (9) in a vise
and unscrew the rod, using an adjustable wrench
on the flats of the rod.
ball (12) from the piston seat housing (10). Inspect
the ball seat (E) and ball guides (F) for wear or
damage. See Fig. 9.
ing (6). Remove the glands and v-packings (T).
See Fig. 9.
inspect them for wear or damage.
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9
12*
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