User's Manual

Repair
32 313527V
D200, D60, and S20 3 in. Ram Piston Rods
Always service both cylinders at the same time. When
you service the piston rod always install new o-rings in
the piston rod seal and ram piston.
Disassemble Piston Rod Seal and Bearing
1. Relieve pressure.
2. Access piston rod seal and bearing.
a. For D200 3 in. Ram: Remove nuts (206) and
lockwashers (205) holding the tie bar (204) to
the piston rods (202n). Refer to parts illustration
on page 40. Remove nuts (105) and washers
(104). Remove tie bar (204). See page 40.
b. For D60 3 in. Ram: Ensure ram is in lowest
position. Remove nuts (383) and lockwashers
(382) from piston rods (302n). Remove entire
pump package, including the mounting plate
(381) off of the piston rods (302n). Secure pump
package so pump and platen will not fall. See
pages 45 and 47.
c. For S20 3 in. Ram: Ensure ram is in lowest
position. Remove nut (857) and lockwasher
(858) from piston rod (802n). Remove entire
pump package, including the mounting plate
(851) off of the piston rod (802n). Secure pump
package so pump and platen will not fall. See
page 50.
3. Remove retaining ring (203, 803).
4. Remove piston rod seal and bearing.
a. For D200 and D60 3 in. Rams: Slide end cap
(202a), pin (202b), o-ring (202c), and spring
(202m) up off of the piston rod (202n). Remove
retaining ring (202k) and bearing (202j) from
end cap (202a) and remove o-ring (202d).
b. For S20 3 in. Ram: Disassemble Ram Piston
to remove end cap (802a). See page 31. Slide
end cap (802a) off of the piston rod (802n).
Remove retaining ring (802k) and bearing (802j)
from end cap (802a). Remove seal (802d) and
spacer (802p) from bearing.
5. Inspect parts for wear or damage. Replace as nec-
essary.
Do not reinstall end cap assembly if the ram piston
(202e, 802e) needs to be removed from the piston
rod. See the next page for ram piston repair instruc-
tions.
F
IG . 32: 3 in. Piston Rod Seal
WLD
WLD
202n
202m
202k
202j
202a
202c
203
202b
202d
D200 and D60 3 in. Rams
S20 3 in. Ram
802c
802a
802p
802d
802k
802b
802b
802m
802n
802j
803