OPERATOR’S MANUAL
6744X
RELEASED: 05-07-13
(REV. B)
INCLUDING: INSTALLATION, OPERATION & PARTS LIST
6744X CROSS-OVER CONTROLLER
FOR RM552H-XXX-XX, RM552S-XXX-XX, RM051S-XXX-XX,
RM052S-XXX-XX and RM072S-XXX-XX RAMS.
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
The original language of this manual is English.
67448 FOR RM552H-XXX-XX, RM552S-XXX-XX, RM052S-XXX-XX AND RM072S-XXX-XX RAMS
2
Port # 1
1
3
67448 Cross-over Controller
Figure 2
5
6
4
PART LIST 67448
(size)
Item Description
Qty Part No.
1
2
3
4
5
6
7
8
9
Valve Assembly, Panel Button
(1) 224-C
(1) 5030-33
(1) 97001
(1) 96999
(1) 97000
(1) 96992
(3) 97004
(1) 97003
(4) 59756-4
(includes item 14)
Valve
Label, Primer
Label, Start
Label, Stop
Bracket, Mounting
Connector, Branch
Connector, Plug-in Y
Male Elbow
�� 7
��14
13
13
10 Hex Nut
(2) 16M4JB6B
(2) 119M2A162B
(2) 97002
11 Socket Head Cap Screw
(1/8 NPT x 5/32 Tube)
12 Connector, Bulk Head
13 Tubing
(4) 94981-(
(2) 24130
)
8
�� 9
14 Button Bleeder Assembly
11
12
10
(6" long)
Bulk Tubing
(1) 94981-XXX-X
Figure 1
INGERSOLL RAND COMPANY LTD
209 NORTH MAIN STREET -BRYAN, OHIO 43506
© 2013
CCN 47497203001
(800) 495-0276 FAX (800) 892-6276
INSTALLATION AND OPERATION
Cut to length and attach to the Branch Connector.
CROSS-OVER CONTROLLER INSTALLATION
9
Using (94981-XXX-X) Tubing. Attach Tubing to (7) Branch
Connector at pilot port closest to port #3 on (2) Valve on
the first Ram. Run Tubing to (8) “Y”Connector at pilot port
closest to port #1 on (2) Valve on the second Ram. Cut to
length and attach to the Branch Connector.
ON RAMS
1. Install Cross-Over Controller assembly (67448) for
RM552H-XXX-XX, RM552S-XXX-XX, RM052S-XXX-XX and
RM072S-XXX-XX Rams. (see Figures 5 & 7, pages 4 & 6).
a. Remove the two Cap Screws (96719) that hold the
Rotary Lever Valve (M512LR) to the Ram.
10. No tubing will be connected to port #3 on the Limit Valve
Assembly (402-A) of the Low Level Cutoff.
b. Place Cross-Over Controller assembly behind Rotary
Lever Valve and reattach the Rotary Lever Valve using
the two Cap Screws.
11. One Time Only: When all air lines are connected, press
the “Stop” button on each Ram to insure the valves are in
the correct position.
c. Repeat steps a-b for second Ram.
OPERATION
2. Install Cross-Over Controller assembly (67449) for
RM051S-XXX-XX Ram (see Figures 6 & 7, page 5 & 6).
1. Turn off the air supply to the pumps.
2. Raise the both Rams and place a drum of material into
position.
a. Remove the Cap Screws (96702170) and Washers
(96756) that are on the Ram.
b. Attach Cross-Over Controller assembly to Ram using
(17) Cap Screws and (16) Washers.
3. Lower both Rams into the drums.
4. Press and hold the “Primer” button. This allows you to
prime the pump. This has to be done on both Rams.
5. The system is now ready for operation.
6. Press the “Start” button on one of the Rams to start the
pump.
c. Repeat steps a-b for second Ram.
3. Low Level Cutoff Kits (67500, 67501 or 67502) are re-
quired to make Cross-Over operational. Attach a Low Lev-
el Cutoff to both Rams, using instructions in the manual
for the Low Level Cutoff kit.
4. Remove both Tubing’s (94981-XXX-X) from the Low Level
Cutoff on each Ram and discard.
5. Using (94981-XXX-X) Tubing. Attach Tubing to Port #2 on
the Limit Valve Assembly (402-A) of the Low Level Cutoff.
Run Tubing to (8) “Y” Connector at pilot port closest to
port #1 on (2) Valve. Cut to length and attach to the “Y”
Connector. Approximant length of Tubing is 48 inches.
Repeat for second Ram.
7. When one drum becomes empty, the other pump will
begin pumping by receiving a signal from the Ram with
the empty drum.
8. NOTE: Priming operation will be required whenever there
is a drum change.
9. In order to stop the system, press the “Stop” button on
the Ram that needs to be stopped.
6. Using (94981-XXX-X) Tubing. Attach Tubing to pilot port
on top of Valve (H254PS) closest to Port #3 of the Low
Level Cutoff. Run Tubing to (7) Branch Connector at port
#1 on (2) Valve. Cut to length and attach to the Branch
Connector. Approximant length of Tubing is 45 inches.
Repeat for second Ram.
7. Using (94981-XXX-X) Tubing. Attach Tubing to pilot port
on top of Valve (H254PS) closest to Port #2 of the Low
Level Cutoff. Run Tubing to (9) Male Elbow at port #2 on
(2) Valve. Cut to length and attach to the Male Elbow.
Approximant length of Tubing is 45 inches. Repeat for
second Ram.
8. Using (94981-XXX-X) Tubing. Attach Tubing to (8) “Y” Con-
nector at pilot port closest to port #1 on (2) Valve on the
first Ram. Run Tubing to (7) Branch Connector at pilot
port closest to port #3 on (2) Valve on the second Ram.
Page 3 of 8
6744X (en)
67448 WITH RAM
Cross-over
Controller
M512LR
Rotary Lever
Valve
96719
Cap Screw
Figure 5
6744X (en)
Page 4 of 8
67449 WITH RAM
Cross-over
Controller
96702170,
Cap Screw
96756,
Washer
RAM only view
Figure 6
6744X (en)
Page 5 of 8
CONTROLLER AND CUTOFF LAYOUT
Figure 7
6744X (en)
Page 6 of 8
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6744X (en)
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