Dodge Quantis MSM/RHB 38 User manual

1
Quantis®MSM/RHB Reducer
Screw Conveyor Size 38—128
Instruction Manual
These instructions must be read thoroughly before installation or operation. This instruction manual was accurate at the time of
printing. Please see dodgeindustrial.com for updated instruction manuals.
WARNING: To ensure the drive is not unexpectedly started, turn o and
lock-out or tag power source before proceeding. Failure to observe these
precautions could result in bodily injury.
WARNING: Because of the possible danger to person(s) or property
from accidents which may result from the improper use of products,
it is important that correct procedures be followed. Products must be
used in accordance with the engineering information specied in the
catalog. Proper installation, maintenance and operation procedures
must be observed. The instructions in the instruction manuals must
be followed. Inspections should be made as necessary to assure
safe operation under prevailing conditions. Proper guards and other
suitable safety devices or procedures as may be desirable or as may
be specied in safety codes should be provided, and are neither
provided by Dodge®nor are the responsibility of Dodge. This unit and
its associated equipment must be installed, adjusted and maintained
by qualied personnel who are familiar with the construction and
operation of all equipment in the system and the potential hazards
involved. When risk to persons or property may be involved, a holding
device must be an integral part of the driven equipment beyond the
speed reducer output shaft.
WARNING: All products over 55 lbs (25 kg) are noted on the shipping
package. Proper lifting practices are required for these products.
NOTE: See manual MN1617 for MSM Reducer standard installation. See
manual MN1618 for RHB Reducer standard installation.
®
Figure 1 - Screw Conveyor Adapter Assembly
INSTALLATION
1. Install seals (408) into adapter housing as shown in Figure 1.
If the optional packing adapter is to be used, install only one
seal in the small end of the adapter. Use extreme care when
installing seals to avoid damage to the seals. Press or tap
seals into place by applying pressure only on the outer edge
of the seal. Make sure seals are installed evenly and are not
tilted.
2. If using the optional packing adapter, install the two studs
(413), retaining ring (412), and two nuts (414). Thread the
nuts onto the studs about 4-5 threads. Install the three
braided type seals (415) in a circular direction into the adapter
cavity. Shoulder the braided seals against the adjustable
retaining ring (412). To aid in installation of the driveshaft in
step 7, the braided seals can be attened out slightly with a
soft hammer prior to installation. When installing the braided
seals, oset the joints from one another.
3. Lightly tap the large washer (407) into the counter bore on the
large end of the adapter to seal the braided material installed
in Step 2 or the seal installed in Step 1.
4. Place reducer on block so that it lays at with the output shaft
up.
5. Position screw conveyor adapter (400) on the reducer output
hub so that the small end (end with 6 through holes) rest on
the reducer.
6. Place six adapter screws (409) and lock washers (410)
through the adapter and thread into the reducer. Tighten four
cap screws (409) to the torque specied in Table 1.
Table 1–Recommended Tightening Torques
for Adapter Assembly
Unit Size Bolt Thread Size Tightening Torque
MSM/RHB 38 M8 25 Nm 220 in-lb
MSM/RHB 48 M10 50 NM 440 in-lb
MSM/RHB 68 M12 90 Nm 800 in-lb
MSM/RHB 88 M12 90 Nm 800 in-lb
MSM/RHB 108 M16 210 Nm 1860 in-lb
MSM/RHB 128 M16 210 Nm 1860 in-lb
414
415
412
400
404
409
410
408
403
408
407
401
405
406
402
411
413
ADJUSTABLE
ADAPTER KIT

Dodge Industrial, Inc.
1061 Holland Road
Simpsonville, SC 29681
[phone]
All Rights Reserved. Printed in USA.
MN16007 07/22
*16007-0722*
© DODGE INDUSTRIAL, INC.
AN RBC BEARINGS COMPANY
Table 3–Removal Bolt Dimensions
Unit Size M1 VB1 S
MSM/RHB 38 3/8-16 6.00 0.31
MSM/RHB 48 5/8-18 7.0 0 0.5
MSM/RHB 68 3/4-10 8.00 0.63
MSM/RHB 88 7/8-14 9.50 0.81
MSM/RHB 108 7/8-14 12.50 0.81
MSM/RHB 128 7/8-14 14.00 0.81
Note: The retaining bolt supplied with the gear unit cannot be used for the
purpose of disassembly and must be replaced by the bolt in Table 3. The round
keyed nut and disk should be made from 1045 steel and the removal bolt should
be a minimum of SAE Grade 5.
Table 4–Removal Rounded Key Nut and Disk Dimensions
Unit Size Y Max UY Max ØUE GF
MSM/RHB 38 0.250 1.367 1.245 0.12
MSM/RHB 48 0.312 1.52 1.370 0.12
MSM/RHB 68 0.375 1.669 1.495 0.25
MSM/RHB 88 0.500 2.22 1.995 0.25
MSM/RHB 108 0.625 2.65 2.370 0.31
MSM/RHB 128 0.625 3.03 2.745 0.31
7. Turn reducer upright or on its side. Use caution not to damage
either type of seals and install drive shaft through the adapter
housing into the reducer. Line up the keyway in the drive shaft
with the keyway in the reducer hub bore. Slide or gently tap
key into reducer through the input shaft side of the output
hub.
8. Install the retaining ring (411) into the snap ring groove. Install
keeper plate (402) ush against retaining ring.
9. Install spring washer (406) and retaining bolt (405) making
sure the drive shaft is fully seated into the reducer. Tighten
the retaining bolt to the tightening torque specied in Table 2.
Install dust cap (401).
Table 2–Tightening Torques for Retaining Bolt
Unit Size Bolt Thread Size Torque
MSM/RHB 38 3/8-16 248 in-lb
MSM/RHB 48 3/8-16 248 in-lb
MSM/RHB 68 5/8-11 611 in-lb
MSM/RHB 88 3/4-10 1221 in-lb
MSM/RHB 108 3/4-10 1221 in-lb
MSM/RHB 128 3/4-10 1221 in-lb
DRIVE SHAFT REMOVAL
To remove the drive shaft from the reducer, the following steps
are required. Reference Figure 2 for disassembly arrangement.
1. Remove the dust cap (401), the driveshaft retaining bolt
(405) and lock washer (406), the keeper plate (401) and the
retaining ring (411).
2. For ease of disassembly, it is recommended that the following
tools be made and used as described: (A) round keyed nut,
dimensions in Table 3, (B) removal bolt, dimensions in Table
4.
3. The round keyed nut (A) is inserted into the free space
between the retaining ring in the gear unit’s hollow shaft and
the end of the machine’s drive shaft.
4. The removal bolt (B) is screwed into the nut (A) which
presses a disk (C) against the screw conveyor drive shaft.
The resulting force pushes the gearbox o of the drive shaft.
5. The driveshaft can now be easily removed from the reducer
by pulling the driveshaft straight out.
Figure 2 - Screw Conveyor Diassembly
B
AC
ROUND KEYED NUT
UY
Y
ØUE
FG
ØFH
FV
M1-TAP
DISK
ØUE
GF
REMOVAL BOLT
M1 VB1
S