Spicer AXSM-0052 Service Manual
Spicer® Hub
Service Manual
Spicer® Hub
AXSM-0052
September 2007
Page to Insert
General Information
The description and specifications contained in this
service publication are current at the time of printing.
Dana Corporation reserves the right to discontinue or
modify its models and/or procedures and to change
specifications at any time without notice.
Any reference to brand name in this publication is made
IMPORTANT NOTICE
This symbol is used throughout this
manual to call attention to procedures
where carelessness or failure to follow
specific instructions may result in
personal injury and/or component
damage.
Departure from the instructions,
choice of tools, materials and recommended parts mentioned in this
publication may jeopardize the personal safety of the service technician
or vehicle operator.
!
as an example of the types of tools and materials
recommended for use and should not be considered an
endorsement. Equivalents may be used.
WARNINGS: Failure to follow indi-
!
cated procedures creates a high risk
of personal injury to the servicing
technician.
CAUTION: Failure to follow indicated
!
procedures may cause component
damage or malfunction.
NOTE: Additional service information not
covered in the service procedures.
Tip: Helpful removal and installation
procedures to aid in the service of this unit.
Always use genuine Spicer replacement parts.
Every effort has been made to ensure the accuracy of all information in this guide. However, Spicer Axle and
Brake Division makes no expressed or implied warranty or representation based on the enclosed information.
Any errors or omissions may be reported to:
Marketing Services, Dana Corporation, PO Box 321, Toledo, Ohio 43697-0321
1
General Information
Contents
General Information
Important Notice....................................................................................................................................................................................... 1
HS 415 SM Model
Changing Oil ............................................................................................................................................................................................. 3
Service Instructions .................................................................................................................................................................................. 4
Removal of hub on vehicle ....................................................................................................................................................................... 5
Disassemble Planet Carrier Unit ............................................................................................................................................................... 6
Disassembling Planetary Ring Gear Unit .................................................................................................................................................. 6
Removing Hub Unit .................................................................................................................................................................................. 7
Assembly .................................................................................................................................................................................................. 8
Hub Bearing Setting.................................................................................................................................................................................. 9
Sub Assembly - Planet Carrier Unit ........................................................................................................................................................ 10
HS 515 SP, HD 519 SP, HS 716SQ, HD 719SQ
Hub Reduction Units .............................................................................................................................................................................. 12
Removal of hub on Vehicle ..................................................................................................................................................................... 13
Disassemble Planet Carrier Unit ............................................................................................................................................................. 14
Disassembling Planetary Ring Gear Unit ................................................................................................................................................ 14
Removing Hub Unit ................................................................................................................................................................................ 15
Assembly ................................................................................................................................................................................................ 16
Hub Bearing Setting................................................................................................................................................................................ 17
Sub Assembly - Planet Carrier Unit ........................................................................................................................................................ 18
Parts List for HS 515 SP, HD 519 SP Hub Unit
Assembly No. 964464 ............................................................................................................................................................................ 20
Assembly No. 964465 ............................................................................................................................................................................ 22
2
Changing oil
HS 415 SM Model
Note: New and reconditioned axles are greased
where necessary, but are not filled with oil when then
leave the manufacturing facility.
Drain and refill oil on new units after the first month
or 100 hours while axle is still warm, then at intervals
of 1,000 hours or 6 months.
Oil Level
Check oil levels monthly or every 100 hours following
the procedure below.
1. Vehicle must be on level ground.
2. Remove differential oil filter plug and check oil
level. Add oil if necessary.
Warning: Never work under a vehicle supported
!
by only a jack. Always support vehicle with
stands. Block the wheels and make sure the
vehicle will not roll before releasing the brakes.
6. When level is correct, refit and tighten all filler/
level plugs.
Approximate capacities:
HS 415 SM - 6 pints (3.5 liters) per hub.
HS 515 SP - 8 pints (4.5 liters) per hub.
HP 519 SP - 8 pints (4.5 liters) per hub.
HS 716 SQ - 8 pints (4.5 liters) per hub.
HD 719 SQ - 8 pints (4.5 liters) per hub.
Recommended oil MIL-L-2105D.
Note: Spicer recommends cleaning the magnetic
filler plug, drain plugs, and cleaning the breather.
Note: There is no oil sealing between the drive head
and hubs. Drive head and Hub oil levels should be on
the axle center line. When refilling add amounts
shown below to hubs then drive head and let sit in
axle for 15 minutes before checking levels at all
points. Add oil as necessary until level after settling
period.
Always check final oil level at drive head.
3. Raise the wheels off the ground and support with
proper stands.
4. Rotate each hub so the bottom of the hub filler/
level plugs are on the axle center line (level with
the differential filler plug).
5. Unscrew the plugs and check that oil level is at
the bottom of plug holes. If not, add oil to each
hub through plug holes then check level in drive
head.
3
HS 415 SM Model
Service Instructions For HS415SM Model
Description
The hub gears are driven by a floating sun pinion
which is splined to a drive shaft. The gear meets with
three planet gears mounted in a carrier which is
bolted to the hub. The ring gear is two pieces splined
to the axle spindle, it also serves to support the outer
hub bearing cone. The hub is fully floating, running
on a taper roller bearing which is secured and adjusted by a nut locking ring.
The unit is mounted on a removable spindle, bolted to
the axle housing.
Routine Maintenance
Service the vehicle every six months, checking the
following:
1. General condition of nuts, bolts and housing
2. Joints and seals for signs of leakage.
Tooling/Sealant List
Spring balance to read to 25 lbs. (12kg).
Hub nut spanner - E537.
Assembly tooling - E539.
Hub oil seal fitting tool - E540.
Loctite No. 277 locking compound.
Loctite No. 515 liquid gasket.
Loctite No. 609 sealing compound.
b. If this condition exists, do not handle.
c. Confirm material composition. Any flouro-
elestomer (Viton, Flourel or Tecomoflon) should
be considered dangerous but natural rubber and
nitrile are nonhazardous.
d. If flouroelastomer seals have been used, the
affected area must be decontaminated before
continuing.
e. Disposable heavy duty gloves must be worn and
the affected area decontaminated by washing
thoroughly with limewater (calcium hydroxide
solution).
f. Discard any clothing contaminated after use.
Note: Burning of discarded items is NOT RECOMMENDED, except in an approved incineration process
where gaseous products are treated by alkaline
scrubbing.
Caution: Viton O-rings and seals (flouro-elas-
!
tomers) - safety hazards.
Viton material used in oil seals and O-rings
produces a highly corrosive acid (hydroflouric)
when subjected to temperatures above 315° C.
This acid is very toxic and should not be come in
contact with. We recommend the following
procedure when it is necessary to inspect any
equipment that has been subjected to high
temperature or fire.
a. Visually inspect any gaskets or seals that have
suffered from heat; they will appear black and
sticky.
4
HS 415 SM Model
Removal of hub on vehicle
Note: Clean all parts in suitable cleaning agent.
Draining the oil
• Before attempting to remove road wheels, drive
vehicle onto a level surface. Drain when lube is
at normal operating temperature.
• Block the wheels and make sure the vehicle will
not roll.
• Loosen but do not remove wheel nuts when
wheels are still on the ground.
• Raise axle and support with suitable stands.
• Remove wheel nuts and washers.
• Remove wheels.
Note: As there is no oil sealing between drive heads
and hubs, oil must be drained from all three units
before overhaul.
• Place containers under differential and both hubs.
• Remove differential oil filler plug and drain bolt
and oil from differential.
• Rotate hubs to bring carrier drain setscrews to
their lowest point.
• Remove hub filler/level plug.
• Remove drain setscrews and washers to drain oil
from hubs.
• When oil in completely drained, remove drip tray
and support hub adequately.
• Replace drain setscrews and washers and hub
filler/level plug.
• Replace differential drain bolt.
5
HS 415 SM Model
Disassemble Planet Carrier Unit
• Unscrew and remove carrier capscrews and
washers.
• Using chain hoist, carefully remove planet carrier
assembly from axle. Place on bench or press and
support in an upright position with outboard end
of carrier facing down. Remove planet pin by
first removing set screw and then press pin down
(outboard) and out of carrier.
• Carefully remove planet gear.
• Repeat operations for other planet gear assemblies.
• Remove and discard O-rings from planet pins.
• If thrust button needs changing, pull out of its
position in planet carrier inner face.
• Remove sealing compound from planet carrier
and hub mating faces using Loctite Chisel Gasket
Remover or by carefully scraping sealant from
faces.
Disassembling Planetary Ring Gear Unit
• Pull out axle shaft complete with sun gear, snap
ring and washer from axle spindle.
• Remove snap ring from groove in axle shaft then
pull off sun gear and thrust washer.
• Remove lockrings and hub retaining nut from
axle spindle.
• Insert extraction bolts into holes provided in ring
gear and tighten evenly to pull ring gear assembly, complete with outer hub bearing cone from
axle spindle.
• Remove retraining ring then separate ring gear
from ring gear carrier.
• Remove outer hub bearing cone from its position
on ring gear carrier if required.
EXTRACTION
BOLTS
16
11
12
ax-0138
6
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