Graco Therm-O-Flow 200 Instructions - Parts Manual page 113

D200 and D60 3 in. Rams
245
242
243
244
261,
246
F . 50: 3 in. Piston Rod Seal
IG
Assemble Piston Rod Seal and Bearing
See F . 50 on page 113.
IG
1. Lubricate o-ring (240) and bottom bearing (243).
a. Install o-ring (240), bottom bearing (243), and
retaining ring (241) into end cap (242).
b. Install new o-ring (245) and pin (238) on end
cap (242). Lubricate o-ring (245) and end cap
(242).
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), nuts (403,
405), and washers (402, 404).
4. For D60 3 in. Ram: Remount mounting plate (259)
and attach screws (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.
3A8005A
Do not tilt the piston rod to one side when removing it
218
from the base or when installing it. Such movement
can damage the piston or inside surface of the base
240
cylinder.
238
2. Carefully lay piston (247) and rod (261, 246) down
241
3. Inspect parts for wear or damage. Replace as nec-
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 (242) 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
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
. 51: 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 screws (255) and
washers (256) with Pump and Platen.
Repair
261, 246
247
124
125
TI10521A
113