Graco E-Flo Installation Manual page 57

5. Inspect parts for wear or damage. Replace as nec-
essary.
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.
D200 and D60 3 in. Rams
245
241
243
244
261,
246
F . 55: 3 in. Piston Rod Seal
IG
Assemble Piston Rod Seal and Bearing
See F . 55 on page 57.
IG
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).
333586E
Disassemble Ram Piston
1. Complete steps 1-4 from Disassemble Piston Rod
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.
218
240
2. Carefully lay piston (247) and rod (261, 246) down
238
3. Inspect parts for wear or damage. Replace as nec-
242
F
IG
Assemble Ram Piston
1. Install new o-rings (245, 239) and lubricate piston
2. Apply medium strength thread sealant. Install piston
3. Carefully insert piston (247) into cylinder and push
4. Slide spring (244) and end cap (241) onto piston rod
5. For D200 3 in. Rams: Install retaining ring (218), tie
6. For D60 3 in. Rams: Install retaining ring (218) and
Seal and Bearing to remove the end cap from the
piston rod.
NOTICE
so piston rod will not be bent. Remove nut (125),
washer (124), piston (247), outer o-ring (245), and
inner o-ring (239).
essary.
245
239
. 56: 3 in. Ram Piston
(247) and o-rings.
(247), washer (124), and nut (125) on piston rod
(261, 246).
piston rod (261, 246) straight down into cylinder.
(261, 246).
bar (219), washers (124), and nuts (125).
install mounting plate (259) with nuts (255) and
washers (256) with Pump package and Platen.
Repair
261, 246
247
124
125
TI10521A
57