Conmet PreSet User manual

Consolidated Metco, Inc.
5701 SE Columbia Way, Vancouver, WA 98661 [phone] •www.conmet.com
Part No. 10081721 Rev. A 11-2017
©2017 Consolidated Metco Inc.
PreSet®/ PreSet Plus®
Seal & Spacer
Installation Instructions
Replace the seal any time the hub is removed from the spindle.
If the spacer has seen duty service, replace the spacer. A new
spacer will ensure proper bearing adjustment is maintained. This
kit contains one wheel seal and one bearing spacer for selected
specic axle type.
Hazard Alert Messages
A Danger alert indicates a hazardous situation which if not
avoided, will result in death or serious injury.
AWarning alert indicates a hazardous situation which if not
avoided, could result in death or serious injury.
A Caution alert indicates a hazardous situation which if not
avoided, could result in minor or moderate injury.
A note includes additional information that may assist the
technician in service procedures.
Prior to installing the bearing spacer in this kit, verify the
hub is a ConMet PreSet or PreSet Plus. Only ConMet PreSet
and PreSet Plus hubs are designed to t these components
and function properly. Use of this bearing spacer in hubs
other than ConMet PreSet or PreSet Plus could result in
catastrophic wheel end failure.
PreSet Plus hubs with an integrated spindle nut were introduced
in 2013. If your hub is equipped with the integrated PreSet Plus
spindle nut (see Figure 1), make note of the dierent require-
ments in the following instructions.
106922a
Figure 1 PreSet Plus®
PreSet Plus
hubs feature
an integrated
spindle nut
held in place
with a retaining ring.
Disassembly
1. Remove the spindle nut system.
a. If equipped with a one-piece or multi-piece spindle nut,
follow the manufacturer or OEM guidelines for removal.
b. If equipped with a PreSet or PreSet Plus spindle nut, remove
the red locking ring from the spindle nut assembly. Use
caution not to damage the locking ring.
c. For the PreSet spindle nut, remove the spindle nut and slide
the hub o of the spindle.
d. For the PreSet Plus spindle nut, use a breaker bar to
loosen the spindle nut. Be aware that PreSet Plus spindle nut
installation torque is 300 ft-lbs for steer hubs and 500 ft-lbs for
drive and trailer hubs. After the spindle nut is initially loosened
with a breaker bar, loosen the spindle nut to remove the hub
from the spindle.The internal spiral snap ring will act as a hub
puller and will aid in removal of the hub from the spindle. Do
not exceed 50 ft-lbs of torque when removing the hub from
the spindle. If the hub will not come o without exceeding this
torque value, remove the spiral snap ring and the spindle nut
assembly and use a conventional hub puller to remove the hub
from the spindle.
e. If part of the seal remains on the spindle, carefully remove
the part of the seal that remains on the seal journal.
2. Remove the outer bearing cone from the hub assembly
being careful not to drop it.
3. Place the hub on its outboard end and remove and discard
the seal.
106804c
INNER
BEARING
CONE
SPACER
Figure 2
4. Remove the inner bearing cone and spacer from the hub
assembly (see Figure 2).
Reassembly
1. Place the hub, seal end up, on a clean work surface.
2. Visually inspect the inner bearing cup and cone for signs of
heat, wear or damage. Reference TMC RP644 for proper compo-
nent inspection procedures.
3. Lubricate the inner bearing cone with the same lubricant as
will be used in the hub and install it into the inner bearing cup
(see Figure 3).
5. R EASSEMBLY – P RE S ET W HEEL H UBS
14 Consolidated Metco, Inc.
Reassembly
1. Place the hub, seal end up, on a clean work bench
surface.
2. For steer hubs, install the tubular bearing spacer
with the tapered end down (see figure 33).
31
Bearing Cone Assembly for Steer Hub
FIGURE 33
3. Lubricate the inner bearing cone with the same
lubricant as will be used in the hub and install it into
the inner bearing cup (see figure 34).
32
Bearing Cone Assembly for Drive Hub
FIGURE 34
4. When installing the SKF or Outrunner wheel seal,
lubricate the seal outer diameter and the hub seal
bore with the same lubricant as will be used in the
hub. The Stemco Endeavor seal is installed dry and
should not be lubricated.
5. Position the seal into the hub bore.
6. When installing the Outrunner or Stemco Endeavor
seal, tap the adapter plate of the installation tool
around the outer edge to position the seal. Drive the
wheel seal into place (see figure 35). Once the tool
bottoms out, the seal is installed correctly.
7. When installing the SKF Scotseal Plus XL, press
the seal evenly into the bore by hand (see
figure 35). If additional force is needed, use a flat
plate and a small mallet to install the seal.
When using an oil bath system, do not pack the bearing with
grease. Grease will prevent the proper circulation of axle lubricant
and can cause premature wheel seal and bearing failure.
If you are working on a drive or trailer hub, go to step 3. If you are
working on a steer hub, proceed as follows.
106809a
106810a
The seal must be replaced every time the hub is removed from the
spindle.
Do not apply any gasket sealant to the seal outer or inner
diameter.
Always use the seal installation tool specified by the seal
manufacturer. Using an improper tool can distort or damage the
seal and cause premature seal failure.
If using the Outrunner wheel seal, place the seal with the “air side”
facing the adapter plate of the installation tool.
If using the SKF Scotseal Plus XL wheel seal, no special
installation tools are required.
If using the Stemco Endeavor seal, be sure to use the Stemco
installation tool.
The Outrunner and Stemco Endeavor seals require the proper tool
for installation. Refer to the Service Parts List on page 20 of the
manual to identify the correct installation tool.
Consolidated Metco, Inc. 14Consolidated Metco, Inc. 14
Figure 3
When using an oil bath system, do not pack the bearing
with grease. Grease will prevent the proper circulation of
axle lubricant and can cause premature wheel seal and
bearing failure.
4. Ensure the hub seal bore is free of rust, dirt, scratches and
sharp edges.
Do not apply any gasket sealant to the seal outer or inner
diameter.
5. Position the seal into the hub bore with the“AIR SIDE”visible.
Use the appropriate ConMet installation plate (see chart below)
and a generic seal tool handle or a at plate and small mallet
to hammer seal into place. Do not hammer directly on the seal.
Make sure the seal is uniformly bottomed out in the bore. (see
Figure 4). Check to be certain the seal is not cocked and that
the seal inner diameter and the inner bearing turn freely.
ConMet Seal Installation Plates
Axle Type Part Number
FF Steer 10084010
FL Steer 10084011
R Drive 10084012
TN Trailer 10084013
TP Trailer 10084013
105744a
105745a
Figure 4
6. Turn the hub over, and place it seal-end down. Place the
bearing spacer in the hub cavity ensuring that the small end, if
present, faces the outboard end of the hub (see Figure 5).
5. REASSEMBLY – PRESET WHEEL HUBS (CONTINUED)
Consolidated Metco, Inc. 15
33
FIGURE 35
8. Check to be certain the seal is not cocked and that
the seal inner diameter and the inner bearing turn
freely.
9. Lubricate the inner diameter of the seal with a light
film of the same lubricant as will be used in the hub.
10. Turn the hub over, and place it seal end down. For
all drive and trailer hubs, install a bearing spacer. If
the spacer has a tapered end, it should face
towards the outboard end of the hub (see figure
36).
34
Installing the Spacer
FIGURE 36
11. Lubricate the outer bearing cone with the same
lubricant as will be used in the hub and install it into
the hub assembly (see figure 37).
35
Installing the Outer Bearing Cone
FIGURE 37
Failure to lubricate the inner diameter of the seal, and the seal
journal, may result in premature seal failure.
106811b
OUTRUNNER OR
STEMCO ENDEAVOR
SEAL
SKF SCOTSEAL PLUS XL
105748a
105749a
Consolidated Metco, Inc.15 Consolidated Metco, Inc.15
Figure 5
If during any bearing inspection there is an indication that the
existing bearing must be replaced, bearing cups and cones must be
replaced as a set. You must only replace bearings with ones approved
for use in PreSet hubs. Non-approved bearings could result in
excessive preload or endplay.

7. Lubricate the outer bearing cone with the same lubricant as
will be used in the hub and install it into the hub assembly (see
Figure 6).
5. REASSEMBLY – PRESET WHEEL HUBS (CONTINUED)
Consolidated Metco, Inc. 15
33
FIGURE 35
8. Check to be certain the seal is not cocked and that
the seal inner diameter and the inner bearing turn
freely.
9. Lubricate the inner diameter of the seal with a light
film of the same lubricant as will be used in the hub.
10. Turn the hub over, and place it seal end down. For
all drive and trailer hubs, install a bearing spacer. If
the spacer has a tapered end, it should face
towards the outboard end of the hub (see figure
36).
34
Installing the Spacer
FIGURE 36
11. Lubricate the outer bearing cone with the same
lubricant as will be used in the hub and install it into
the hub assembly (see figure 37).
35
Installing the Outer Bearing Cone
FIGURE 37
Failure to lubricate the inner diameter of the seal, and the seal
journal, may result in premature seal failure.
106811b
OUTRUNNER OR
STEMCO ENDEAVOR
SEAL
SKF SCOTSEAL PLUS XL
105748a
105749a
Consolidated Metco, Inc.15 Consolidated Metco, Inc.15
Figure 6
Reinstallation
Never support the hub on the spindle with just the inner
bearing and seal.This can damage the seal by cocking the
seal in the seal bore and can lead to seal failure and loss of a
wheel, creating a risk of serious bodily injury.
1. Clean the spindle to remove any lubricant, corrosion
prevention coating, foreign material, or surface rust that may
be present.
2. Lubricate the bearing journals on the spindle, or the inside
diameter of the bearing cones with Grade 2 grease or the
lubricant that will be used in the wheel end. Do not coat the
seal journal on the spindle.
3. Lubricate the inner diameter of the seal with a light lm of
the same type of lubricant as will be used in the hub.
Failure to lubricate the inner diameter of the seal may result
in premature seal failure.
4. For hubs equipped with the integrated PreSet Plus spindle
nut, skip to next section titled PreSet Plus Spindle Nut
Installation. For traditional PreSet hubs, mount the hub
assembly onto the axle spindle with a smooth, rm motion
while holding the outer bearing in place. Use care to maintain
alignment between the bearing cones, spacer, and spindle and
to avoid seal damage.
a. One-Piece Spindle Nut System. For one-piece spindle nut
systems, torque the nut to a minimum of 300 ft-lbs. DO NOT
BACK OFFTHE SPINDLE NUT. Engage any locking device that
is part of the spindle nut system. If the locking device cannot
be engaged when the nut is at 300 ft-lbs., ADVANCE THE NUT
UNTIL ENGAGEMENTTAKES PLACE AND THE NUT IS LOCKED.
b. Double Nut or Jam Nut System. If a double nut or jam
nut system is being used, torque the inner nut to 300 ft-lbs.
DO NOT BACK OFFTHE SPINDLE NUT. Advance the inner nut as
necessary to install the locking ring. Install the outer nut with
200 ft-lbs. of torque. Be sure to engage any secondary locking
device.
PreSet Plus Spindle Nut Installation
1. Seat the at washer into the back of the spindle nut (see
Figure 7).
106872b
Figure 7
2. Position the spindle nut and washer against the outer
bearing (see Figure 8).
Figure 8
3. Install the spiral snap ring into the snap ring groove in the
hub. Make sure that the snap ring is fully seated into the groove
in the hub (see Figures 9 & 10)
106874b
Figure 9
106875b
Figure 10
4. If present, remove the red locking snap ring from the spindle
nut.Verify that the bearing spacer is in proper alignment. Align
the key or at on the washer with the keyway or at on the
spindle as the hub is placed onto the spindle. Use a smooth
rm motion and place the hub onto the spindle. When the
threads on the nut engage the threads on the spindle, rotate
the nut in a clockwise direction to fully engage the threads.
5. Torque the spindle nut to the following torque values:
a. Steer Hub – Torque the spindle nut to 300 ft-lbs. while
rotating the hub. DO NOT BACK OFFTHE SPINDLE NUT.
b. Drive or Trailer hub –Torque the spindle nut to 500 ft-lbs.
while rotating the hub. DO NOT BACK OFFTHE SPINDLE NUT.
6. Visually examine the three holes in the face of the spindle
nut. One of the holes will line up with the holes in the inner
washer. Install the tab of the red locking snap ring through the
hole in the nut and washer that are aligned. Spread the locking
ring, push it over the spindle nut and into the machined
grooves in the spindle nut. Use caution not to bend the locking
ring permanently.
7. Rotate the hub assembly checking for smooth and free
rotation.
Verify the hub will rotate by hand before placing it in service. Some
drag is normal for a new seal, but excessive drag or roughness may
indicate excessive bearing preload which could result in premature
bearing failure. An incorrect combination of parts or the use of one
or more non-PreSet parts may cause this condition.
Lubrication
1. Install the hub cap or drive axle with a new gasket. Torque
the hub cap bolts in a star pattern to 12 to 18 ft-lbs. Torque the
drive axle bolts or nuts per the drive axle manufacturer’s
recommendation.
Use the proper hubcap for the type of lubricant being used.
Failure to ll the hub with the correct amount of lubricant
can cause premature failure of the PreSet hub assembly,
which could result in a wheel loss and possible death or
serious injury.
2. Drive Hub - Drive hubs can be lubricated by installing one
quart of oil through the ll plug in the barrel of the hub. If no
ll plug is present, the drive hub can be lubricated by lifting
the opposite side of the axle 8 inches to allow the lubricant to
run down the axle housing and into the hub assembly. Elevate
the axle for two minutes to allow the lubricant time to ll the
hub. Repeat the process for the opposite side of the vehicle. The
rear axle carrier should be lled to the proper level to ensure
adequate lubricant is available to ll the entire hub. Rell the
carrier to the proper level after this procedure is completed.
3. Steer and Trailer hubs lubricated with oil -
a. Fill the hub through the hubcap center hole to the“oil level”
mark on the face of the cap (see Figure 11).
7. L UBRICATION
Consolidated Metco, Inc. 21
Lub rication
DRIVE HUB LUBRICATION
Drive hubs can be lubricated by installing one quart of
oil through the fill plug in the barrel of the hub.
If no fill plug is present, the drive hub can be lubricated
by lifting the opposite side of the axle 8" to allow the
lubricant to run down the axle housing and into the hub
assembly. Elevate the axle for two minutes to allow the
lubricant time to fill the hub. Repeat the process for the
opposite side of the vehicle. The rear axle carrier should
be filled to the proper level to ensure adequate lubricant
is available to fill the entire hub. Refill the carrier to the
proper level after this procedure is completed.
STEER AND TRAILER HUBS WITH OIL
LUBRICANT
1. Fill the hub through the hubcap or the fill hole with
oil. It may be necessary to add lubricant more than
once to adequately fill the hub (see figure 46).
44
Filling the Hub with Oil
FIGURE 46
2. Be certain the hubcap is properly filled to the “oil
level” mark on the face of the cap (see figure 47).
Allow the initial fill amount to settle for 10 minutes.
Repeat the fill procedure until the oil is at the fill line
on the hubcap.
45
Fill to “Oil Level Line”
FIGURE 47
3. Be sure to put the fill hole plug back into the hubcap
and that the vent is working properly.
TRAILER HUBS WITH SEMI-FLUID
GREASE LUBRICANT
WARNING
1. Remove the fill hole plug.
2. Loosen the hubcap bolts to allow air to escape
while the hub is filling.
3. Fill the hub with the OEM recommended amount of
room temperature (60°F minimum) semi-fluid
grease through the fill hole in the hub (see figure
48).
For proper fill levels using semi-fluid grease, see
the following chart.
The proper installation torque for the fill plug is 20-25 ft-lbs.
Only use oil approved by the seal manufacturer (see approved list
from the seal manufacturer or on www.conmet.com).
Some hubs are provided with a fill hole, located in the barrel and
between the bearings for adding lubricant.
105753a
If you are using semi-fluid grease in trailer applications, special
procedures must be followed as outlined in the “Semi-Fluid
Grease Lubricant” section.
Failure to fill and maintain the hub with the correct amount of
semi-fluid grease may cause premature failure of the wheel hub
system, bearing failure and possible loss of the wheel.
105754a
FULL
LINE
Consolidated Metco, Inc.21 Consolidated Metco, Inc.21
Figure 11
b. Allow oil to settle for ten minutes. Repeat the ll procedure
until the oil is at the ll line.
See ConMet service manual recommendations for trailer hubs
lubricated with semi-uid grease. ConMet service manuals can
be found online at www.conmet.com.
106873b

PreSet Plus® Spindle Nut Kits (kit includes lock ring, nut, washer, and retaining ring)
Part No. Spindle Nut Assembly Description Socket Sizes (6 Point)
10036548 FF PreSet®Plus Spindle Nut Assy - D Flat (Type Commonly used on Meritor®Axles) 2”
10036549 FF PreSet®Plus Spindle Nut Assy - Keyway (Type Commonly used on Dana®Axles) 2”
10036550 FL PreSet®Plus Spindle Nut Assembly 2.75”
10036551 R Drive PreSet®Plus Spindle Nut Assembly 3.75”
10036552 TN PreSet®Plus Spindle Nut Assembly 3.125”
10036553 TP PreSet®Plus Spindle Nut Assembly 4”
PreSet®/ PreSet Plus® Hub Service & Rebuild Kits
PreSet®/ PreSet Plus®Hub Rebuild Kits (includes bearings, bearing spacer, and seal) Bearing Combination Cross Reference
Part No. Application Inner Cup/Cone Outer Cup/Cone
10081727 FF Front HM212011 PS / HM212049 PS 3720 PS / 3782 PS
10081728 FL Front 6420 PS / 6461A PS 552A PS / 555S PS
10081729 R Drive 592A PS / 594A PS 572 PS / 580 PS
10081730 TN Trailer HM218210 PS / HM218248 PS HM212011 PS / HM212049 PS
10081731 TP Trailer HM518410 PS / HM518445 PS HM518410 PS / HM518445 PS
PreSet®/ PreSet Plus®Hub Seal & Spacer Kits (includes bearing spacer and seal) Bearing Combination Cross Reference
Part No. Application Inner Cup/Cone Outer Cup/Cone
10081518 FF Front HM212011 PS / HM212049 PS 3720 PS / 3782 PS
10081519 FL Front 6420 PS / 6461A PS 552A PS / 555S PS
10081520 R Drive 592A PS / 594A PS 572 PS / 580 PS
10081521 TN Trailer HM218210 PS / HM218248 PS HM212011 PS / HM212049 PS
10081522 TP Trailer HM518410 PS / HM518445 PS HM518410 PS / HM518445 PS
Position SpindleType ConMet®SKF®
Classic SKF®Scotseal® PlusXL National® Red Series National® Gold Series Stemco® Grit Guard®Stemco® Guardian®Stemco® Voyager®Stemco® Discover®Meritor®
Steer
FF Spindle (12,000 lb) 10045885 35066 35058 370001A 380001A 382-8036 308-0836 383-0136 383-0236 MER0236
FL Spindle
(16-20,000 lb) 10045883 43764 43761 370048A 380048A 382-8064 308-0864 383-0164 383-0264 MER0264
Drive R Spindle
(Eaton/Meritor) 10045887 47697 47692/47691 37003A 380003A 392-9131 309-0973 393-0173 393-0273 MER0273
Trailer TP Spindle 10045889 42623 42627 370065A 380065A 372-7099 307-0723 373-0123 373-0223 MER0223
TN Spindle 10045888 46305 46300 370025A 380025A 372-7097 307-0743 373-0143 373-0243 MER0243
Application
(Bearing Cup & Cone) Set No. ConMet® Set No. ConMet® Cup / Cone No. Hyatt®
Cup / Cone No. Timken ® Cup / Cone No. Timken®454 Set No. Timken®454 Cup / Cone No.
FF Steer Axle / Inner SET427 10041905 HM212011 PS / HM212049 PS HM212011-04 or PS / HM212049-04 or PS NP026773 / NP899357 SET603 NP454773 / NP454357
FF Steer Axle / Outer SET428 10041906 3720 PS / 3782 PS 3720-04 or PS / 3782-04 or PS NP435398 / NP874005 SET605 NP454398 / NP454005
FL Steer Axle / Inner SET445 10041925 6420 PS / 6461A PS 6420-04 or PS / 6461A-04 or PS NP039695 / NP294109 N/A N/A
FL Steer Axle / Outer SET446 10041926 552A PS / 555S PS 552A-04 or PS / 555S-04 or PS NP183330 / NP107091 N/A N/A
R Drive Axle / Inner SET429 10041915 592A PS / 594A PS 592A-04 or PS / 594A-04 or PS NP363298 / NP034946 SET600 NP454298 / NP454946
R Drive Axle / Outer SET430 10041916 572 PS / 580 PS 572-04 or PS / 580-04 or PS NP053874 / NP840302 SET601 NP454874 / NP454302
TNTrailer Axle / Inner SET431 10041935 HM218210 PS / HM218248 PS HM218210-04 or PS / HM218248-04 or PS NP503727 / NP965350 SET602 NP454727 / NP454350
TNTrailer Axle / Outer SET427 10041905 HM212011 PS / HM212049 PS HM212011-04 or PS / HM212049-04 or PS NP026773 / NP899357 SET603 NP454773 / NP454357
TPTrailer Axle / Inner & Outer SET432 10041945 HM518410 PS / HM518445 PS HM518410-04 or PS / HM518445-04 or PS NP593561 / NP174964 SET604 NP454561 / NP454964
Seal Cross Reference Chart
Bearing Cross Reference Chart
ConMet, PreSet, and PreSet Plus are registered trademarks of Consolidated Metco Inc. All other trademarks are the property of their respective owners. ©2017 Consolidated Metco Inc. All Rights Reserved.