morse M Series User manual

1
A. Preinstallation
1. It is very important that the clutch fit the shaft properly. The following are
recommended shaft tolerances.
Nominal
Diameter Bore Shaft
Over 2" to 4" + .0000 / -.0015" -.0015 / -.0025"
4" to 6” + .0000 / -.0020" -.0020 / -.0030"
2. On applications where a press fit is necessary, do not exceed .001 inch.
3. Should a .001 inch maximum press fit be required, immerse clutch in hot, clean
oil (not to exceed 200° F.) for several minutes before mounting.
4. To minimize critical stresses in the keyway area of the inner race, the clutch
keyways have a radius in the corners. A key designed to match this keyway
is furnished with each clutch. Use this key in mounting clutch on shaft, as
key must support full length of clutch inner race. A tight fit on key width is
necessary on indexing applications.
5. Orient clutch as though in operating position and check for proper rotation. Oil
lubricated clutches should be mounted on horizontal shafts only. Refer vertical
shaft applications to factory.
B. Installation
1. When mounting the clutch and key on the shaft, apply pressure to the end
face of the inner race only as bearing damage could result from pressure being
applied to the outer race. Note: Caution should be exercised in installing the
clutch to prevent damaging the seals.
2. Since the key has a venting groove, make certain that the side of the key with
the groove is at the top of the clutch keyway.
3. Secure clutch in position on shaft. Use lock washers, snap rings, collars,
adjacent components or similar items to hold clutch in position.
4. Overrun (freewheel) the clutch by hand before subjecting to test
operation. Before using the clutch fill with proper lubricant. (Refer to the
lubrication section.)
5. This additional step is applicable to the cam clutch coupling only:
a. Never use the clutch as a coupling. When the connection of two shafts is
required in conjunction with a clutch, use a clutch-coupling.
b. After mounting the clutch per the above steps, follow these steps to
correctly install the coupling.
1. Slide the ring assembly onto clutch.
2. Attach the plate gear to clutch using capscrews provided.
3. Place seal and retainer plate on hub gear.
4. Mount hub gear on shaft.
5. Position units to be connected allowing 11/16 inch between plate
gear and hub gear.
6. Align gears with straight edge or taper gauge. Align shafts as
accurately as possible to obtain the maximum service life from
the coupling.
F O R M
“M” Series Clutches
Installation and Maintenance Instructions
for Models 750 – 1000
PN 654027, PS-740-0001
4146-002AE
Revised
May 2022
• Perform periodic inspections. Equipment may fail prematurely
and could become unsafe if not properly inspected and
maintained. Failure to follow this instruction could result in mild
or moderate personal injury.
• Read and follow all instructions carefully.
• Disconnect and lock-out power before installation and
maintenance. Working on or near energized equipment can
result in severe injury or death.
• Do not operate equipment without guards in place. Exposed
equipment can result in severe injury or death.
GENERAL SAFETY INSTRUCTIONS
indicates a hazard which, if not avoided, will result
in serious injury or death.
indicates a hazard which, if not avoided, could
result in minor or moderate personal injury.
indicates a hazard which, if not avoided, could
result in serious injury or death.
indicates information considered important, but
not hazard-related (e.g. messages relating to property damage).
Motion Control Solutions
Regal Rexnord
111 W. Michigan Street
Milwaukee, WI 53203
regalrexnord.com/Morse
© 2009, 2022 Regal Rexnord Corporation, All Rights Reserved. MCIM22029E • Form# 4146-002AE
Coupling Number C-7.5 C-8 C-9 C-10
Maximum Angular
Misalignment 1/2° 1/2° 1/2° 1/2°
Maximum Parallel
Misalignment .010" .010" .010" .010"
Allowable End Float From +1/4" +1/4" +1/4" +1/4"
Nominal 11/16” Gap -5/8" -5/8" -5/8" -5/8"
Clutch Coupling
Seal
Retainer
plate
Hub gear
Ring assembly
Clutch
Capscrews
Plate gear
7. Hand pack external gears with #1 or #2 ball bearing grease, forcing
some grease between the faces to provide a lubricant reservoir.
Repack these gears once a year.
8. Slide ring assembly over external gears and remove excess
lubricant.
9. Press in seal with flat object. Gently tap-in seal exercising care not
to damage.
10. Attach retainer plate with screws provided.
6. This additional step is applicable only when oil reservoir is used with clutch.
a. Reservoirs can only be used where the clutch outer race is held
stationary as in backstop applications.
b. Clutches are shipped with oil seals in both ends of the clutch. Remove
the oil seal on the reservoir side with a screwdriver or similar instrument
being careful not to damage the clutch. Do this only after determining
the proper direction of rotation of the clutch. This seal should not be
reused because it is damaged by the removal process.
c. Prior to mounting clutch on shaft, apply Permatex®* or similar sealant to
clutch key and keyway. This prevents loss of oil through keyway.
* Permatex is believed to be the trademark and/or trade names of Illinois Tool Works, Inc. and is not
owned or controlled by Regal Rexnord Corporation.

2
d. After mounting clutch on shaft per the above steps, attach reservoir to
the clutch end from which the seal has been removed, using capscrews
provided with reservoir. Position reservoir with oil fill on top side.
Clutch with Oil Reservoir
Remove
seal at
reservoir
end
Apply
Permatex®*
or
similar
sealant
Oil fill
Capscrews
Clutch with Stub Shaft Adapter
Capscrews
7. This additional step is applicable only when the Stub Shaft Adapter is used
with clutch. After mounting clutch on shaft per preceding steps 1, 2, 3, & 4,
attach stub shaft adapter to desired clutch end, using capscrews provided with
adapter.
C. Oil Lubrication
Use oil selected from table below according to the application and ambient
temperature existing at the clutch. Do not use lubricants of the EP type (extreme
pressure characteristics) or those containing slippery additives such as molybdenum
disulfide and graphite.
1. Oil Recommendation
a. Models MG & MR
20° F. to 125° F. (Max. ambient temp.)...............................Socony®* Mobil®* D.T.E.
Heavy Medium Oil
-Below 15° F. to 125° F. ................................... Type A automatic transmission fluid
b. Model MI
30° F. to 125° F. (Max. ambient temp.).................................. Socony* Mobil* D.T.E.
Light Oil
-15° F. to 125° F. ............................................. Type A automatic transmission fluid
Below -15° F. ......................................................... Consult Application Engineering
2. Oil Lubrication Procedures
a. Stock MG & MR models with lip seal.
1. Rotate clutch outer race to locate filler plugs A, B, and C as shown in
Figure 1A.
2. Remove plug A and either B or C, adding oil through port A until fluid
shows from port B or C. Clutch will then be one-third full.
b. Stock Model MI with lip seal.
1. Rotate clutch outer race to locate two ports at positions A and B as
shown in Figure 1B.
2. Remove filler plugs A and B and add oil through port A until oil flows
from B.
3. Replace filler plugs, tightening to prevent leakage.
Figure 1A Plug A
Plug C
Plug B
MG, MR
lubricant
level (lip seal)
Figure 1B
Plug B
MI
Lubricant level
Plug A
Plug C
3. Oil Lubrication Maintenance (Primary Maintenance Factor).
c. Add oil every one hundred (100) hours of operation or every two (2)
weeks - whichever is first - using procedure as outlined in Section D.
When clutch indexes at 150 or more cycles per minute, lubrication may
be required at shorter intervals.
d. FLUSHING
The “M” Series Cam Clutches should be flushed periodically (90-day
average) with mineral spirits such as soluasol (Socony*-Mobil*) or
equivalent solvents. Carbon tetrachloride should not be used. Flush
more frequently if clutches are subjected to severe operation or abrasive
dust.
Flushing Procedures:
1. Drain lubricant by rotating outer race so that one oil port is pointed
down.
2. Fill clutch with prescribed flushing agent.
3. Rotate either clutch member slowly to break up and dissolve any
oily residue.
4. Drain flushing agent from clutch.
5. Relubricate clutch according to recommended procedure.
NOTICE: Periodic flushing of grease lubricated clutches is usually unnecessary.
When fresh grease is pumped in, old grease will be purged out from the seals.
D. Grease Lubrication
NOTICE: The following are general lubrication recommendations based on our
experience and are intended as suggested or starting points only. For best
results, specific applications should be monitored regularly and lubrication
intervals and amounts adjusted accordingly.
1. Grease Recommendation
a. Model MO
20° F. to 125° F. (Max. ambient temp.) Mobil* SHC 100 Grease or
equivalent
2. Grease Lubrication Procedure
a. Stock Model MO with lip seal reversed.
1. Clean grease fitting located on the clutch outer race by wiping with
cloth.
2. Mobil* SHC 100 lubricant into clutch with grease gun until grease
flows freely from the seals.
3. Grease Lubrication Maintenance (Primary Maintenance Factor) Regrease
the clutch once a month following the procedure outlined in step number 2.
NOTICE: Clutch Couplings must have the gears repacked at least once a year.
4. Do not use any lubricants which contain EP additives or those containing
slippery additives such as molybdenum disulfide and graphite.
E. General Information
1. Application Engineering: 1-800-626-2093.
CAUTION! Do not use the clutch above its torque or speed ratings.Do not
attempt to take this clutch apart.
*The following are believed to be the trademarks and/or trade names of their respective owners and are not
owned or controlled by Regal Rexnord Corporation: Mobil; Socony; Permatex: Illinois Tool Works, Inc.
“Regal Rexnord” is not indicative of legal entity.
Morse is a registered trademark of Borg-Warner Corporation, used herein under exclusive license.
Regal Rexnord and Morse are trademarks of Regal Rexnord Corporation or one of its affiliated companies.
© 2009, 2022 Rexnord Corporation, All Rights Reserved. MCIM22030E • Form# 4146-002AE