Repair
333586D
55
NOTE:
Do not reinstall end cap assembly if the ram
piston (247) needs to be removed from the piston rod.
See the next page for ram piston repair instructions.
Assemble Piston Rod Seal and Bearing
See F
IG
. 53 on page 55.
1. Lubricate o-ring (240) and bottom bearing (243).
a. Install o-ring (240), bottom bearing (243), and
retaining ring (242) into end cap (241).
b. Install new o-ring (245) and pin (238) on end
cap (241). Lubricate o-ring (245) and end cap
(241).
c. Slide spring (244) and end cap (241) on piston
rod (261, 246).
2. Install retaining ring (218).
3.
For D200 3 in Ram:
Install tie bar (219), washers
(124), and nuts (125).
4.
For D60 3 in. Ram:
Remount mounting plate (259)
and attach nuts (255) and lockwashers (256).
Torque to 40 ft-lb (54 N•m).
Disassemble Ram Piston
1. Complete steps 1-4 from
Disassemble Piston Rod
Seal and Bearing
to remove the end cap from the
piston rod.
2. Carefully lay piston (247) and rod (261, 246) down
so piston rod will not be bent. Remove nut (125),
washer (124), piston (247), outer o-ring (245), and
inner o-ring (239).
3. Inspect parts for wear or damage. Replace as nec
-
essary.
Assemble Ram Piston
1. Install new o-rings (245, 239) and lubricate piston
(247) and o-rings.
2. Apply medium strength thread sealant. Install piston
(247), washer (124), and nut (125) on piston rod
(261, 246).
3. Carefully insert piston (247) into cylinder and push
piston rod (261, 246) straight down into cylinder.
4. Slide spring (244) and end cap (241) onto piston rod
(261, 246).
5.
For D200 3 in. Rams
: Install retaining ring (218), tie
bar (219), washers (124), and nuts (125).
6.
For D60 3 in. Rams:
Install retaining ring (218) and
install mounting plate (259) with nuts (255) and
washers (256) with Pump package and Platen.
F
IG
. 53: 3 in. Piston Rod Seal
WLD
261,
244
242
243
241
245
218
238
240
D200 and D60 3 in. Rams
246
NOTICE
Do not
tilt the piston rod to one side when removing it
from the base or when installing it. Such movement
can damage the piston or inside surface of the base
cylinder.
F
IG
. 54: 3 in. Ram Piston
TI10521A
261, 246
245
247
239
124
125
Summary of Contents for E-Flo iQ Dispense System
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