DE-STA-CO 300IOC User Manual

®

CAMCO IOC

AUTOMATIC

OVERLOAD CLUTCH

NOTE: Camco does not Preset Input Overload
clutches at the factory. Input Overload Clutches can

only be properly set under fully loaded, field conditions.
(The numbers on the clutch face do not indicate any
torque valve, they are for reference only.)

The following instructions assume that the input
overload clutch is assembled on the cam shaft and the
overload limit switch is properly positioned. (If these
starting conditions do not exist, Please contact the
Factory.) Please refer to figures 1A and 1B when
starting.

Field Installation and Setting

STEP

1

Remove the Shut-off Spool #12. (Press fit if
necessary) Loosen Conepoint Set Screw #10.
(There are 1 or 2 possible tapped holes, but
use only one set screw. Explanation later.)
Reset limit switch.

STEP

5

When the match marks do not move under
power for one index, continue to run Indexer
for 5 to 7 indexes and stop in dwell. Repeat
the 5 to 7 index cycle 2 more times. If the
match marks have not moved, tighten Set
Screw #10. (The cone Point set screw must
enter the grove between the threaded areas.)

STEP

6

Now power indexer again and apply E stop in
mid-motion. The match marks should now
displace form 1/8” to 2”, depending on the
size of the IOC. This step is necessary to
verify that the clutch has not been set too
tightly. If movement appears to be too much,
move Set Screw #10 to the other tapped
hole. This will permit additional tightening of
only 1/2 notch.

STEP

7

Re-position shut off spool #12 to center of
radial grooves in thrust head #4. This should
reset the overload stop switch.

The unit is now ready for continued operation. The
above procedure should be repeated if the loading
changes. Any inconsistencies with the above procedure
should be referred to your Camco Representative or the
Camco Factory.

STEP

2

Tighten the Adjusting Nut #3 to firm tightness.
Use a spanner wrench in sizes through 350
IOC, or crescent wrench with Removable
Pinion #15 in size 400 IOC or larger. NEVER
power a unit with a loose clutch! Severe
Indexer damage can result! Manually rotate
cam shaft to the mid-dwell position. Use a felt
tip to register match marks per figure 2.

STEP

3

Power indexer drive for 1 index and observe
match marks. If the marks have separated –

1. Wipe off old marks.

2. Retighten nut one or two notches.

3. Register new match marks.

STEP

4

Repeat step 3 if marks separate.

®

350 IOC and Smaller

Repair Parts List Advise clutch size and CAMCO serial number.

1 Housing
2 & 5 Thrust Head & Friction Cone

Advise bore size and keyway size.

3 Adjustment Nut
4 Thrust Head
6 & 7 Thrust Bearing Assembly
8 Pressure Ring
9 Grease Fitting
10 Conepoint Setscrew
11 Stop Pin
12&13 Shut-Off Spool Assembly
14 Cap Screws

4.0 Lubrication

Clutches are grease packed at the factory and should
not require additional lubrication. If clutch is subject
to consistent slippage and heating, grease with (Mobil
47 or 77) grease through standard grease fitting (part
#9). Do not use air pressure gun.

NOTE: Item 12, 2 setscrews, are not used in CAMCO type
IOC applications.

FIGURE 1A

®

400 IOC and Larger

Repair Parts ListAdvise clutch size and CAMCO serial number.

1 Housing
2 Friction Cone
3 Adjustment Nut
4 Thrust Head

Advise bore size and keyway size.

5 Thrust Washer
6 & 7 Thrust Bearing Assembly
8 Pressure Ring
9 Grease Fitting

FIGURE 1B

10 Conepoint Setscrew

(400 & 450 IOC Only)
11 Stop Pin
12&13 Shut-Off Spool Assembly
14 Cap Screws (4)
15 Pinion
17 Locking Plate Screws (2)
(Not Shown) Locking Plate (500 IOC & Larger)

®

Scribe match mark lines on adjusting nut and inner
sleeve. Lines should not move in normal cycle, but should
separate 1/8” to 2” in jog, depending on size of IOC.

COMMERCIAL CAM CO., INC.
SUBSIDIARY OF EMERSON ELECTRIC CO.
1444 SOUTH WOLF ROAD
WHEELING, IL 60090 U.S.A.
[phone] FAX: [phone]

USA 6/99 SKU0146

FIGURE 2

FIGURE 3