Graco 26B772 Manuel utilisateur
3A8499A
EN
Instructions
Uni-Drum Supply
System Safety Kit
Prevents ram from lowering when the safety pins are installed. For professional use only.
Part No. 26B772, 26B774
Important Safety Instructions
Read all warnings and instructions in this
manual and in manual 309028 before
using the equipment. Save all
instructions.
26B772 26B774
Component Identification
2 3A8499A
Component Identification
* Parts included with 26B772 only.
† Parts included with 26B774 only.
FIG. 1: 26B772 Left-Handed
115
101
108
114
105
112,113
111,113,117,115
119
104
118
109
110
119
111
120,121
103
104
122
102
106,107
26B772 Shown
Left-Handed Unit
Ref. Part Description Qty.
101 26B769 BRACKET, cylinder support 4
102 18D250* TUBE, support, outer 2
18D257† TUBE, support, outer 2
103 18D251* TUBE, support, inner 2
18D258† TUBE, support, inner 2
104 18D249* PLATE, base, lock out 2
18D249† PLATE, base, lock out 1
105 133303 STRAP, pipe, 2 in. 4
106 16Y456 PIN, safety, hitch 2
107 15G945 CABLE, lanyard, 24 in. 2
108 15G946 BOLT, U, 1/2 x 8.375 4
109 133306 SCREW, HHC 8
110 123389 SCREW 8
111 101971 WASHER, thrust 32
112 123284 SCREW, HHC 8
113 100133 WASHER, lock, 3/8 24
114 100018 WASHER, lock, spring, 1/2 8
115 113500 ADHESIVE, anaerobic 1
117 100307 NUT, hex 16
118 18D253 PLATE, mounting, u-bolt, 3/8 7
119 18D254 PLATE, mounting, u-bolt, 3/8, thk 1
120 18D252 BRACKET, lock out, unidrum 2
121 113802 SCREW, hex head, flanged 4
122 133305 PIN, clevis 2
123 18D256† PLATE, base, lock out 1
Ref. Part Description Qty.
Installation and Setup
3A8499A 3
Installation and Setup
NOTE: It is recommended to perform steps 1-3 with
equipment positioned on the floor or on an assembly
bench.
1. Attach the outer pipe support (102) to the cylinder
support brackets (101) using the supplied pipe
straps (105), screws (112), and washers (113). The
pin guide hole in the outer support pipe should be
positioned parallel to the cylinder support brackets
to simplify installation. See FIG. 2 for recommended
mounting locations on the pipe. Do not fully tighten
hardware. Keep loose for adjustment. Final torques
to be applied in step 16.
2. Attach the support bracket (120) to the inner support
bar (103) using the pin (122).
3. Slide the inner support bar (103) into the outer pipe
support (102).
Prepare the Uni-Drum
4. Fully lower the ram by setting the RAM POSITION
Switch (A) to LOWER. Leave switch in LOWER
position.
5. Open the door on the Pneumatic Logic Panel (E).
6. Adjust the air pressure to 0 PSI for the RAM DOWN
Air Regulator. Refer to the gauge on the RAM
DOWN Air Regulator and R3 Regulator to verify the
ram has been depressurized. See manual 309028
for instructions on how to adjust the RAM UP and
RAM DOWN Air Regulators.
7. Slowly open the drain cock located on the bottom of
the air cylinders (D).
FIG. 2
101
105
102
112
113
113
Guide Pin Hole
(20 in.) (12 in.)
FIG. 3
WARNING
To prevent injury from crushing or pinching, always
use at least two people when lifting, moving, or
disconnecting the equipment.
120
103
122
Installation and Setup
4 3A8499A
8. After the air pressure has been relieved, remove the
Ram Down air line (G) running from the top of the
Pneumatic Logic Panel to the ram cross bar.
9. Close the Main Air Inlet on the header (B).
10. Leave the drain cock open and the Ram Down air
line (G) removed until kit installation is complete.
Attach to the Uni-Drum
11. With the ram in the fully lowered position, install the
assembly onto the back Uni-Drum cylinders using
the brackets (101), bolts (108), and washers (114).
Before installing both sets of nuts and washers onto
the top U-bolts, slide the eyelet of the 24 inch
lanyard (107) over one side of the U-bolt to capture
it between the bracket (101) and the washer (114).
See FIG. 8. Assemble to rest on the Uni-Drum base
plate. Orient the outer support pipe approximately
45° from the back Uni-Drum cylinder centerline. Do
not fully tighten hardware. Keep loose for
adjustment. Final torques to be applied in step 16.
12. With the ram still in the fully lowered position, install
the right and left base plates (104) in their
respective corners as shown in FIG. 7. Use the
supplied screws (109, 110), flat washers (111), lock
washers (113), nuts (117), adhesive (115), and
mounting plates (118, 119).
NOTE: Installation of the mounting plates (118, 119) will
require that one of the plates be installed over a bolt
head welded to the upper carriage. One mounting plate
(119) has a counter bore to clear this bolt head, so make
sure that mounting plate (119) is located correctly
before starting the installation.
NOTE: When installing the mounting plates, hand
tightening the bolts is sufficient for this portion of the
installation. Do not overtighten. Final torques will be
applied in step 16.
FIG. 4
B
G
E
A
D
FIG. 5
FIG. 6
101 108
114
118
119
Installation and Setup
3A8499A 5
13. Line up the two 3/8 in. mounting holes on the inner
support bracket (120) with the threaded 3/8 in. holes
on the base plates (104).
14. Apply adhesive (115) to the screws (121). Lift the
inner support bar and bracket up to the base plate
and install the screws (121).
15. For the best operation, the inner support bar (103)
must be centered within the outer support bar (102)
to prevent binding. While still hand tightened, slide
the base plates (104) as necessary, and turn the
outer support bar about the Uni-Drum lift cylinders
until centered.
16. Tighten all nuts and bolts to 9-11 ft-lbs.
17. After Installation is complete, close the drain cocks,
make all pneumatic connections and open the Main
Air Inlet to header. See manual 309028 for
instructions on how to adjust the RAM UP and RAM
DOWN Air Regulators.
18. Verify free movement by moving the ram up and
down.
FIG. 7
26B772
Left-Handed Unit
104
104
26B774
Right-Handed Unit
104
104
26B772
Right-Handed Unit
26B774
Left-Handed Unit
104
104
104
104
NOTICE
Do not overtighten. The top nuts can potentially bend
the mounting plates, and the U-bolts around the
Uni-Drum lift cylinders can potentially dent or crush
the lift cylinders.
Using the Two Safety Pins
6 3A8499A
Using the Two Safety Pins
1. Turn the RAM POSITION Switch (A) to RAISE, then
press the RAM UP Pushbutton to move the ram to
the fully raised position.
2. To lock ram in the fully raised position, move the
RAM POSITION Switch to the HOLD/NEUTRAL
position and insert both safety hitch pins (106) into
the outer support bars (102) and install both pin lock
clips.
NOTE: Locks that use 1/4 in. shackles can be used in
place of the cotter pins (CP) provided with the safety
hitch pins (106).
3. Once both safety hitch pins (106) are secured, turn
off all air to the system by closing the Main Air
Shutoff Valve on the header (B) and follow your
facility’s pre-established lock-out/tag-out
procedures. See FIG. 4.
4. To place the ram back into operation, verify the
RAM POSITION Switch is still in the
HOLD/NEUTRAL position, and open the Main Air
Shutoff Valve on the header (B).
5. Turn the RAM POSITION Switch (A) to RAISE, then
press the RAM UP Pushbutton to move the ram to
the fully raised position.
6. Remove both safety hitch pins (106).
FIG. 8
106
CP
102
California Proposition 65
3A8499A 7
California Proposition 65
CALIFORNIA RESIDENTS
WARNING: Cancer and reproductive harm – www.P65warnings.ca.gov.
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.
Original instructions. This manual contains English. MM 3A8499
Graco Headquarters: Minneapolis
International Offices: Belgium, China, Japan, Korea
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA
Copyright 2021, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.
www.graco.com
Revision A, April 2021
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