Repair - Parts
312068M
EN
Proportioning Pumps
Proportioning pumps and hydraulic cylinders used on Hydraulic Proportioners. For
professional use only. For professional use only.
Not for use in explosive atmospheres.
Important Safety Instructions
Read all warnings and instructions in this manual
and all supplied manuals. Save all instructions.
Model 247576: 2000 psi (13.8 MPa, 138 bar) Maximum Working Pressure
All other models: 3500 psi (24.0 MPa, 240 bar) Maximum Working Pressure
TI9778c
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Repair
Repair
Flushing
Pressure Relief Procedure
Trapped air can cause the pump to cycle unexpectedly,
which could result in serious injury from splashing or
moving parts.
Flush equipment only in a well-ventilated area. Do not
spray flammable fluids. Do not turn on heaters while
flushing with flammable solvents.
1. Select Park on Pump Control Switch if available, or
•
Flush out old fluid with new fluid, or flush out old
fluid with a compatible solvent before introducing
new fluid.
turn off.
2. Turn off feed pumps.
•
•
Use lowest possible pressure when flushing.
3. Trigger gun to relieve pressure.
4. Close gun inlet valves.
To flush entire system, circulate through gun fluid
manifold (with manifold removed from gun).
5. Close fluid supply inlet valves.
•
Always leave some type of fluid in system. Do not
use water.
6. Service spray gun. See corresponding spray gun
manual.
Preventive Maintenance
When pumps are functioning properly, it is not unusual
for a trace amount of resin to seep past the pump pack-
ing onto the resin pump shaft. Routinely inspect shaft
and wipe away any residue when the proportioner is
turned off. Disassemble and clean the proportioning
pumps annually. For pumpline P7758-255773, disas-
semble and clean the proportioning pumps every six
months. Inspect the pistons and cylinder for marks or
scratches, which may cause leakage and damage to
packings. Replace all packings, o-rings, and bushings
annually. For pumpline P7758-255773, replace these
items every six months.
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3
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Repair
Pumpline Disassembly
Pumpline Reassembly
1. Slide the hydraulic piston (104) in the hydraulic
cylinder (201) out to its left-most position. The left
end of the left clevis (117) should be nearly in line
with the left end of the spacers (113). See the fol-
lowing image.
1. Remove plug fitting (206) from lube cylinder (205).
2. Place hydraulic cylinder (201) on flat surface with
both the manifold (125) and the port blocks (116)
contacting the surface. The two main ports in the
manifold should be facing up. See the following
image.
2. Insert clevis pin removal tool 296607 through open-
ing in lube cylinder (205) and screw tool into left
clevis pin (219). Pull clevis pin out of clevis (117).
3. Use hex key to remove four socket head cap
screws (203) from left proportioning pump (202).
Remove left proportioning pump.
125
4. Remove lube cylinder (205).
113
5. Screw pin removal tool 296607 into right clevis
pin (219). Pull clevis pin out of clevis (117).
6. Use hex key to remove four socket head cap
screws (203) on right proportioning pump (202).
Remove right proportioning pump.
203
116
116
104
117
ti13871a
3. Install elbow fittings (207, 208) into lube
cylinder (206) and install lube cylinder over left
clevis (117). Ensure clevis pin hole in lube cylinder
is vertical, in line with the hole in the left clevis.
202
219
201
4. Place left proportioning pump (202) on flat surface
with the wide end of the outlet flange (26) facing
down.
5. Use clevis pin removal tool 296607 to slide the pro-
portioning pump piston rod (28) out to its limit.
Ensure the hole in the proportioning pump shaft is
vertical, in line with the hole in the left clevis and
lube cylinder.
219
207
204
205
206
35
28
26
206
204
202
208
ti13870a
ti13875a
203
4
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Repair
6. Attach the clevis pin (219) to the clevis pin tool.
Insert clevis pin through hole in lube cylinder and
into the left clevis.
10. Clamp the hydraulic cylinder and proportioning
pump assembly to the flat surface so the proportion-
ing pump and hydraulic cylinder will not twist when
tightened against each other.
7. Gently tap end of clevis pin tool with hammer to
slide clevis pin (219) into place. Remove clevis pin
tool from clevis pin.
11. Tighten the hex head cap screws in a criss-cross
pattern.
8. Insert four hex head cap screws (203) through holes
in proportioning pump (202) and partially screw into
spacers (113) in hydraulic cylinder (201).
pump.
13. Install plug fitting (206) into lube cylinder (205).
9. With the four hex head cap screws in place but not
tightened, slide the proportioning pump against the
hydraulic cylinder.
14. Use grease pump to apply grease to grease
fittings (35) in proportioning pumps.
312068M
5
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Repair
d. Thoroughly clean all metal parts in a compatible
solvent and inspect for wear or damage. Inspect
each ball and seat for nicks or scratches;
replace as required.
Pump Base Disassembly
e. Replace all o-rings. Kit 261859 contains all
o-rings for pump base rebuild.
Disassemble and clean pump base annually. For
pumpline P7758-255773, disassemble and clean the
pump base on every six months.
Pump Base Reassembly
1. Install inlet valve in pump base by inserting o-ring
(9), inlet ball seat (11), ball (10), spring (22), and
on page 15.
2. Turn OFF the main disconnect and lock out power at
the source.
3. Remove pump cap (19) from pump base (23), and
remove o-ring (6):
2. Install outlet valve in pump base:
a. Install o-ring (9) and valve ball (4) into the cavity.
a. Remove outlet ball (4) and o-ring (9).
b. Install the o-ring (6) on pump cap (19). Install
and tighten cap to pump base. Torque to 75 ft-lb
(101.3 N•m).
b. Remove inlet ball cage (14), spring (22) and
inlet ball (10).
c. Remove inlet ball seat (11) and o-ring (9) from
bottom of cavity.
19
6
4
9
14
22
10
11
9
23
TI9780b
6
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Repair
Reassembly
Piston and Cylinder Seals
CAUTION
To prevent cross-contamination of the equipment’s
wetted parts, never interchange component A (isocy-
anate) and component B (resin) parts.
Piston Seal and Cylinder Seal Repair Kits are avail-
able. See Table 1 on page 17 to order the correct
kits for your pump. Also see kit manual 312071.
1. Install piston rod seal (15); ensure u-cup faces pis-
ton rod (28) as shown in FIG. 1.
28
15
18
Disassembly
2. Turn OFF the main disconnect and lock out power at
the source.
TI9823a
FIG. 1: U-Cup Orientation
3. Disconnect the pump inlet and outlet lines; see your
proportioner repair manual. Remove the four screws
(30) holding the pump outlet flange (26) to the
hydraulic cylinder. Disconnect pump from drive and
take pump assembly to a workbench.
2. Assemble piston bolt (25) to piston rod (28). Apply
supplied thread sealant to piston bolt and tighten.
See Torque Specification table for torque according
to pump size.
4. Remove the four bolts (8) and washers (5). See
28
15
3
5. Remove the flange retainer (27), gasket (17), bush-
ing (13), and throat seal (29).
TI9822a
25
1
6. Use a soft-faced mallet to help separate pump base
(23) and outlet flange (26) from cylinder (12).
Remove crossover tube (24)
1
Apply supplied sealant to threads.
7. Remove piston from cylinder bore. Remove piston
cap bolt (25), then slide bushing (18) and u-cup seal
(15) from rod.
28
#28 Pump Size
1
8. Thoroughly clean all parts in a compatible solvent
and inspect for wear or damage. Replace as
required.
15
18
25
r_24f290_312068
FIG. 2: Piston Head and Rod
Torque Specification
Pump Size
30
Torque
130 in-lb (14.7 N•m)
22 ft-lb (29.7 N•m)
28, 40, 48, 60
80, 88, 96, 120, 140 45 ft-lb (60.8 N•m)
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Repair
3. Using supplied bolts in the cylinder seal kits, press
seal (16) into outlet flange (26). Ensure seal faces
cylinder. Assemble bushing (13) throat seal (29) and
gasket (17) into flange retainer (27) and fasten to
outlet flange.
7. Lubricate and assemble o-rings (1) to cylinder (12).
8. Tap cylinder (12) onto piston rod (28) as shown in
the following figure. Be careful to not score piston
seal. Continue tapping cylinder until it seats in bore
of outlet flange (26).
29
16
Use grease to aid in insertion of cylinder onto pis-
ton rod.
27
13
26
TI9782a
17
4. Ensure plate is parallel with block. Carefully tighten
screws until plate is flush with block. Be sure to
press seal straight into bore.
TI9820a
TI9819a
Cylinder Assembly
Seat Cylinder in Bore
Seal Alignment
Pressed Seal
9. Lubricate and assemble o-rings (2) to crossover
tube (24). Insert crossover tube into outlet flange
(26). Softly tap crossover tube into bore until it
seats.
TI9784b
TI9783b
24
5. Insert piston rod (28) through throat seal (29) on
front of block. Use grease to aid with insertion if
needed.
26
TI9789a
10. Carefully align cylinder (12) and crossover tube (24)
to bores in pump base (23). Tap pump base until the
cylinder is fully seated in bore.
TI9787a
23
6. Place assembly in a vise, and tap piston rod (28)
through throat seal (29) and bearing.
12
24
CAUTION
Keep rod straight to prevent damage to throat seal.
TI9790a
11. Install four bolts (8) and washers (5). Torque to 45
ft-lb (60.8 N•m).
TI9788a
8
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Repair
5. Using the 1 in. open-end wrench and the 1 in.
Hydraulic Cylinder
impact wrench, rotate the baffle jam nut away from
the right clevis until one of them breaks loose.
For repairs, order Hydraulic Cylinder Repair
Kit 296785.
Disassembly
TI11285a1
Tools Required
•
•
•
Two - 1 in. open-end wrench
Two - 1/2 in. open-end wrench
O-ring pick
If the left clevis and baffle jam nut break loose from
the hydraulic piston shaft:
6. Remove the clevis and baffle jam nut.
7. Remove the lubricator adapter (120).
8. Loosen and remove the remaining hex
spacers (113) and smooth spacer (114), keeping
the tie rods in place.
2. Turn OFF the main disconnect and lock out power at
the source.
9. Remove the left retainer plate (101).
10. Remove the tie rods (115).
CAUTION
In the following step, attach the clamps to the port
blocks of the assembly. Attaching clamps to any other
part of the assembly may result in significant damage
when breaking loose the baffle jam nut and clevis.
11. Remove the left port block and rod bushing assem-
bly.
12. Slide the piston and everything attached to it out the
right side of the cylinder by holding the assembly by
the cylinder and pushing the left end of the piston
shaft against a flat surface.
3. Clamp the hydraulic cylinder to a flat surface using
c-clamps or another strong clamping device, ensur-
ing that the cylindrical spacer (114) is to the right.
4. Using the 1/2 in. open-end wrenches, loosen and
remove four hexagonal spacers (113) to create
room to rotate the clevises.
13. Using a c-clamp, secure the port block (116) of the
remaining assembly.
14. Keeping the piston shaft from rotating using a 1/2 in.
wrench on the piston shaft flats and using a 1 in.
impact wrench on the right clevis, break loose and
remove the right clevis.
114
15. Remove the activator plate (119) and modified
bushing (118).
TI11289a1
16. Remove the retainer plate (101).
The clevises and the baffle jam nut were installed
with high strength thread sealant. The following
steps will require significant force to break loose the
baffle jam nut and clevises.
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Repair
17. Remove the right port block and rod bushing
assembly.
Reassembly
Tools Required
18. Remove the rod bushings (103) from the port
blocks (116).
•
Torque wrench set to 15 ft-lb (20 N•m) with
1 in. open-end attachment and
1/2 in. socket attachment
19. Using the o-ring pick, remove all rings and seals.
If the right clevis breaks loose from the hydraulic
piston shaft:
•
•
1 in. open-end wrench
1/2 in. open-end wrench
6. Remove the right clevis.
Assemble Rod Bushing to Port Block
7. Remove the activator plate (119) and modified
bushing (118).
1. Insert black o-ring (109) into the outside groove of
rod bushing (103).
8. Remove the right retainer plate (101).
9. Remove the tie rods (115).
2. With the wide end of the rod bushing facing down,
insert white back-up ring (110) above o-ring (109) in
the same groove.
10. Remove the right rod bushing and port block
assembly.
3. With the lip facing out, push one rod wiper (111) into
the small end and one shaft seal (112) into the big
end of the rod bushing.
11. Slide the piston and everything attached to it out the
left side of the cylinder by holding the assembly by
the cylinder and pushing the right end of the piston
shaft against a flat surface.
103
12. Using a c-clamp, secure the port block (116) of the
remaining assembly.
111
13. Break the baffle jam nut (122) loose from the
hydraulic piston shaft.
110
TI11275a
109
112
14. Keeping the piston shaft from rotating using a 1/2 in.
wrench on the piston shaft flats and using a 1 in.
impact wrench on the left clevis, break loose and
remove the left clevis.
4. Place port block (116) on a flat surface with the
large opening facing up.
15. Remove the left retainer plate (101).
5. Using your hands, push the wide end of the rod
bushing into port block (116).
16. Remove the left port block and rod bushing assem-
bly.
6. On the side opposite the rod bushing, place
o-ring (105) around the extruding circle.
17. Remove the rod bushings (103) from the port
block (116).
18. Using the o-ring pick, remove all rings and seals.
105
1
116
TI11276a
1
Apply lithium
10
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Repair
7. Repeat the steps above to assemble the second rod
bushing/port block assembly.
Assembling Items onto Piston Shaft
12. With the rod bushing (103) facing away from the cyl-
inder (102), slide the port block and rod bushing
assembly over the rod tool and onto the shaft.
Assemble Hydraulic Piston and Insert in Cylinder
8. Place wear ring (108) in the center channel of
hydraulic piston (104).
A
9. With the lip facing away from the center channel,
place one u-cup seal (106) in each of the remaining
two channels of the hydraulic piston.
103
10. Place one back-up ring (107) in the same channel
as each of the u-cup seals on the side facing the
center channel.
102
TI11280a
104
13. Repeat with the other port block on the opposite end
of the hydraulic piston shaft.
106
TI11277a
107
Attaching Retainer Plates and First Four Spacers
108
107
106
14. Place the assembly on a flat surface with the port
hole on the two port blocks facing the same direc-
tion.
Insert Piston into Cylinder
15. Slide one retainer plate over the end of each port
block.
11. Slide the hydraulic piston into the cylinder (102). If
necessary, rest the cylinder on a vise or similar sur-
face while pushing the piston into it.
16. Insert one tie rod into each of the four holes in the
port blocks and retainer plates. Keep an equal
amount of threads showing through the retainer
plate on each side.
17. Rotate the assembly so that the port holes are now
facing in towards your body and place the assembly
on a flat surface.
1
102
TI11279a
1
Apply lithium grease to the inside of
each end of the cylinder.
1
TI11281a
1
Make sure the port
holes are facing in towards your
312068M
11
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Repair
18. Using the far, top tie-rod, attach cylindrical
spacer (114) to the right side of the assembly.
24. With the lip of the adapter facing left, slide the
adapter onto the left end of the hydraulic piston
shaft.
Installing Hex Clevises and Baffle Jam Nut
114
25. With the hex-side of the baffle jam nut facing away
from the hex-head of the clevis, spin the baffle jam
nut (122) onto the hex clevis (117). Leave one to
two threads between the head of the clevis and the
nut.
TI11282a
26. Apply high strength thread sealant (124) to the
threads of both hex clevises (117).
19. Attach one hexagonal spacer (113) to the other end
of the tie rod. Do not tighten.
27. Apply primer (123) to the threads with the thread
sealant.
20. Attach one hexagonal spacer to each end of the bot-
tom, near tie-rod. Do not tighten.
28. Attach modified bushing (118) to the activator
plate (119).
In the following step, the port holes need to be fac-
ing down, with the cylindrical spacer (114) facing
right.
29. Insert the clevis (117) without the baffle jam
nut (122) into the corner hole of the activator
plate (119).
21. Secure the assembly to a flat surface using two
c-clamps, or other strong clamping devices, to pre-
vent the assembly from twisting. The assembly will
remain secured to the flat surface for the remainder
of the assembly procedure.
30. Slide the modified bushing over the cylindrical
spacer (114) and screw the clevis (117) into the
right end of the hydraulic piston shaft (104).
31. Spin the clevis (117) and baffle jam nut (122) onto
the left end of the hydraulic piston shaft finger-tight,
ensuring a gap of one to two threads between the
baffle jam nut and the head of the left clevis.
22. With the assembly secured, torque the spacers
against each other to 15 ft-lb (20 N•m).
Installing Lube Adapter
32. Rotate the right clevis until the cross-holes form a
vertical line.
23. Push o-ring (121) into the inside groove of the cylin-
der lube adapter (120).
120
118
119
121 1
TI11283a
TI11284a
1
1171
Apply lithium grease to the o-ring.
2
1
Apply high strength thread sealant to threads of both
hex clevises.
2
Apply primer to the threads with the thread sealant to
speed curing.
12
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Repair
34. Hold the left clevis stationary with a 1 in. wrench and
break the baffle jam nut loose from the hydraulic pis-
ton shaft.
CAUTION
In the following step, do not over torque.
1
33. Hold the right clevis stationary with a 1 in. open-end
wrench and, by turning the baffle jam nut with a 1 in.
torque-wrench, torque the right clevis to 15 ft-lb
(20 N•m) against the activator plate.
2
TI11286a
1
Hold stationary.
2
Rotate to break baffle jam nut loose from piston shaft.
2
35. Hold the baffle jam nut stationary and rotate the left
clevis so the cross-holes form a horizontal line,
keeping one to two threads between the clevis head
and the nut.
1
TI11285a
1
Hold stationary.
2
Rotate to torque the right clevis.
In the following step, do not unscrew the left clevis
more than necessary.
2
TI11287a
1
1
2
Hold baffle jam nut stationary.
Rotate to position cross-holes in a horizontal line.
312068M
13
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Repair
butts against the retainer plate (101). Repeat for
opposite end of tie rod.
CAUTION
In the following step, do not over torque.
Assembling Manifold
36. Hold the left clevis stationary with a 1 in. open-end
wrench to keep the cross-holes horizontal and
torque the baffle jam nut against the hydraulic piston
shaft to 15 ft-lb (20 N•m) using a torque wrench.
39. Insert pipe plugs (127) into manifold (125).
40. Insert o-rings (128) into bottom holes of manifold.
41. With the port holes facing the manifold, attach the
manifold to the port blocks using the four
screws (126).
1
126
2
125
TI11288a
127
2
128
113
1
Hold stationary.
2
Rotate to torque the baffle jam nut to 15 ft-lb (20 N•m)
against the hydraulic piston shaft, which torques the left
clevis.
TI11291a
1
37. Double check that the left clevis cross-holes are hor-
izontal and the right clevis cross-holes are vertical.
1
2
Have the port holes facing the
manifold.
On Model 247624, rotate manifold 180
degrees about the vertical axis.
42. Hold one spacer with the 1/2 in. open-end wrench
and the other with the 1/2 in. torque wrench and
torque to 15 ft-lb (20 N•m).
TI11289a
Installing Final Four Spacers
This ensures that the manifold is aligned with the
pump assembly.
38. Preventing the tie rod (115) from spinning with one
hand, spin one spacer (113) onto one end until it
43. Repeat with the final two spacers.
14
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Parts
Parts
Pumpline
203
202
219
201
219
207
204
205
206
208
204
202
203
ti13870a
Pumpline Assembly
Ref Description
288638
288639
P7758-255773
Qty
201 CYLINDER, hydraulic
202 PUMP, proportioner
203 SCREW, cap, socket head
204 PACKING, o-ring
295027
247375
295824
106258
261863
295829
295826
295397
296653
295027
247377
295824
106258
261863
295829
295826
295397
296653
247624
247375
0204-5
106258
261863
295829
295826
295397
296653
1
2
8
2
1
1
1
1
2
205 CYLINDER, lube
206 FITTING, plug
207 FITTING, elbow, 90 degree
208 FITTING, elbow, 90 degree
219 PIN, clevis
312068M
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Parts
Piston and Cylinder Seals
A Side Shown
19
2
36
27
6
29
9
4
34
6
13
14
2
22
24
10
11
35
16
9
4
17
26 4
31
12
1
23
5
TI9780b
8
3
Piston Assembly
3
B side of pump is same as A side except items 31,
34, 35, and 36 are reversed.
1
2
3
4
5
Apply supplied sealant to threads
Torque to 75 ft-lb (101.3 N•m)
TI9778a
28
Torque to 45 ft-lb (60.8 N•m)
15
18
Seal must be pressed straight into housing
1
5
25
18
See Torque Specification table for torque
according to pump size
#28 Piston Assembly
6
Part not used on Model P7758-255773
28
Item 25 Torque Specification
1
15
25
Pump Size
30
Torque
130 in-lb (14.7 N•m)
22 ft-lb (29.7 N•m)
45 ft-lb (60.8 N•m)
28, 40, 48, 60
r_24f290_312068
80, 88, 96, 120, 140
16
312068M
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Parts
16
17
18
19
22
23
SEAL, throat, u-cup
GASKET
BUSHING, piston, acetal
1
Ref. Part
Description
Qty
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
3
O-RING, PTFE
O-RING, TPE
CAP, piston
2
2
1
1
261867 CAP, ball guide
261897 SPRING, valve
261903 PUMP, base
261898 TUBE, crossover
SCREW, hex hd cap
FLANGE, outlet
261875 RETAINER, flange
ROD, piston; includes cap (ref. 3)
ADAPTER, throat
295225 PLUG, pipe, flush
121312 ELBOW, 3/4-16 unf x 1/2 in. (13
mm) O.D. tube (not used on Model
P7758-255773)
295229 FITTING, grease; 1/4-28
M70430 SCREW, set; 1/4-28 x 3/16 in.
4
105445 BALL, valve, outlet, SST; 1/2 in. (13
mm) diameter
24
5
261866 WASHER, flat, packing support
(4 pack)
1
25
26
27
28
29
31
6
8
O-RING, PTFE
1
1
261865 SCREW, hex hd cap; 3/8-24 x 9.0
in. (228 mm) (4 pack)
9
10
O-RING, PTFE
2
1
107167 BALL, valve, inlet, SST; 1 in. (25
mm) diameter
34
11
193395 SEAT, ball, inlet, carbide
CYLINDER
BUSHING, throat, acetal
261899 GUIDE, inlet ball, with outlet ball
seat
1
1
1
1
12
13
14
35
36
1
1
Refer to Table 3 for part number.
15
SEAL, piston, u-cup
1
Parts included in Kit 261859 (purchase separately).
Refer to Table 1 for part number.
Refer to Table 2 for part number.
Table 1. Proportioning Pump Parts
Pump Sizes and Part Numbers
#28
#30
#40
#48
#60
#80
#88
#96
#120
#140
Part
Ref. 24F291 247371 247372 247373 247374 247375 247577 247376 247377 247576
16F204 261889 261886 261886 261886 261883 261883 261883 261883 261883
24F294 261896 261895 261894 261893 261892 247582 261891 261890 247583
261902 261902 261902 261902 261902 261901 261901 261901 261901 261901
16F202 261882 261881 261880 261879 261878 247584 261877 261876 247585
261874 261874 261873 261872 261871 261870 247586 261869 261868 247587
3
12
26
28
29
Table 2. Cylinder Seal Kits; Includes Parts 13, 16, 17
Table 3. Piston Seal Kits; Includes Parts 15, 18, 25
Proportioning
Proportioning Pump
Size
Pump
Kit
Pump
Pump Size
Kit
24F291
247371
247372
247373
247374
247375
247577
247376
247377
247576
28
30
261858
261858
261857
261856
261855
261854
247580
261853
261852
247581
24F291
247371
247372
247373
247374
247375
247577
247376
247377
247576
28
30
24F292
261851
261850
261849
261848
261847
247578
261846
261845
247579
40
48
60
40
48
60
80
88
96
80
88
96
120
140
120
140
312068M
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Parts
Hydraulic Cylinder
126
127
125
4
128
116
109
110
112
111
103
101
120
121
122
113 3
111
103
112
110
109
116
105
117
2
1
3
115
118
102
105
106
107
117
2
1
3
104
108
119
107
106
114 3
129 5
3
113
TI11292a
101
1
2
3
4
5
Apply high strength thread sealant to threads.
Apply primer to threads to speed curing.
Torque to 15 ft-lb (20 N•m). See assembly section for correct procedure.
On Model 247624, rotate manifold 180 degrees about the vertical axis.
Part used only on Model P7758-255773.
18
312068M
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Parts
Ref. Part
121 177156 O-RING
122 295852 NUT, jam, baffle
123
124
125 298040 MANIFOLD, hydraulic
(used only on Model 247624)
126 113467 SCREW, cap, socket head
(used only on Model 247624)
127 295225 PLUG, pipe, flush
(used only on Model 247624)
128 112793 O-RING
Description
Qty.
Ref. Part
101 295029 PLATE, retainer
102 295030 CYLINDER
103 295031 BUSHING, rod
104 296642 PISTON, hydraulic
105 295640 O-RING
106 295641 SEAL, u-cup
107 295642 RING, back-up
108 296643 RING, wear
109 158776 PACKING, o-ring
110 295644 RING, back-up
111 295645 WIPER, rod
112 296644 SEAL, shaft
113 295032 SPACER, proportioner pump
114 261502 SPACER, reverse switch pump
115 295034 ROD, tie
116 295035 BLOCK, port
117 261864 CLEVIS, hex, proportioner
118 261862 BUSHING, modified
(used on Models 247624,
Description
Qty.
1
1
1
1
1
2
1
2
1
2
2
2
1
2
2
2
2
7
1
4
2
2
1
1
SOLVENT, catalyst, liquid
SEALANT, anaerobic
4
2
2
1
(used only on Model 247624)
129 OP307-2 PIN, link
-1000
(used only on Model
P7758-255773)
130 296653 PIN, clevis; not shown
(used only on Model 255723)
2
Parts are also included in Hydraulic Cylinder Repair
255723., 295027)
Kit 296785 which can be purchased separately.
1501-7-2 BUSHING
(used on Model P7758-255773)
119 261507 PLATE, activator
(used on Model 295027)
1
1
1
1
42430-4 PLATE, activator
(used on Model P7758-255773)
247607 PLATE, activator
(used on Model 255723)
120 261863 ADAPTER, lube, cylinder
312068M
19
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20
312068M
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Technical Data
Technical Data
Category
Data
Model 247576: 2000 psi (13.8 MPa, 138 bar)
All other models: 3500 psi (24.0 MPa, 240 bar)
Maximum working pressure
120°F (49°C)
Maximum fluid temperature
Viscosity range
250-1500 centipoise
400 psi (2.7 MPa, 27 bar)
Maximum material inlet pressure
Wetted parts
Carbon Steel, Stainless Steel, Chrome, PTFE, Acetal, UHMWPE
312068M
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Graco Standard Warranty
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written
recommendations.
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or
maintenance of structures, accessories, equipment or materials not supplied by Graco.
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these
warranties.
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the
negligence of Graco, or otherwise.
FOR GRACO CANADA CUSTOMERS
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite
de ou en rapport, directement ou indirectement, avec les procédures concernées.
Graco Information
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505
All written and visual data contained in this document reflects the latest product information available at the time of publication.
Graco reserves the right to make changes at any time without notice.
Orignal instructions. This manual contains English. MM 312068
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2007, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
Revised April 2012
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