NEWAGE 410 SERIES AXLE
SERVICE MANUAL
WINGET LIMITED
PO BOX 41
EDGEFOLD INDUSTRIAL ESTATE
PLODDER LANE
BOLTON
LANCS BL4 OLS
U.K.
Tel:++44(0)1204 854650
Fax:++44(0)1204 854663
E-mail [email protected]
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Section 1
INTRODUCTION
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Introduction
Winget Limited gratefully acknowledge the assistance given by Newage Transmissions
Limited in the preparation of this manual, however neither Winget Limited or Newage
Transmissions can be held responsible for any errors or ommissions.
The procedures described within this manual should enable experienced service
personel to strip, repair and re-build Newage 410 series axles fitted to Winget 4S range
site dumpers in a safe and competant manner. The procedures are not intended to be
used by personnel who are unfamiliar with the product or mechanically inexperienced.
It is assumed that personnel are aware of the Health and Safety Regulations which
should be applied but the following should act as a reminder.
Whenever possible any repairs or service should be carried out in a clean environment.
If work must be carried out on site or in the field steps should be taken to ensure that dirt
or foreign materials cannot enter the assembly.
Ensure all work tools are in good condition and only use the correct tool for the job in
hand.
Always wear safety spectacles when using soft or hard faced hammers, chisels, drifts or
when using air tools. Wear safety spectacles when cleaning components or when
grinding.
Do not misuse air lines and be aware of the damage compressed air can cause if
misused.
Always make sure lifting equipment is in good condition and the Safe Working Load
exceeds the weight of the component to be lifted.
Always use suitable supports i.e. axle stands or baulks of timber in conjuction with
hydraulic jacks etc. Never rely on hydraulic jacks alone to support a machine.
Be aware of hot surface temperatures and take care when draining hot oils. Always
dispose of waste oils in accordance with local and national regulations.
Whenever possible always disconnect the battery or battery isolator when working on the
machine to prevent electrical shorts and unauthorised starting.
Refer to the operators handbook for a guide to the correct sequence for assembling
components and sub-assemblies.
Oils, fuels, silicone sealer etc can cause skin diseases if allowed to contaminate the skin.
Always apply barrier creams, wear suitable protective clothing or when contamination is
unavoidable clean the area with soap and water as soon as possible. Do not use thinners
or other solvents to clean skin.
Health and Safety is a matter of common sense. If common sense is applied correctly
the risk of accidents can be reduced.
Spares for Newage Axles fitted to Winget Equipment can only be obtained from Winget
Limited or one of our authorised distributors and not from Newage Transmissions
Limited. Always quote your machines serial number and model together with axle serial
number and model when ordering spare parts.
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410 Series axles are designed to operate under arduous conditions and providing they
are regularly and correctly maintained they will provide long trouble free service.
Whilst every effort is made to ensure the contents of this manual are accurate Winget
Limited and Newage Transmissions reserve the right to alter specification without prior
notification and certain sections of this manual may then no longer apply.
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Section 2
GENERAL
DESCRIPTION
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General Description
The 410 series is a double reduction drive axle with integral long life oil immersed
multiplate disc brakes.
Housed within the central housing is the spiral bevel crownwheel and pinion assembly.
The crownwheel is mounted on a four pinion differential.
The planetary reduction gears and brake plates are housed within the ends of the axle
arms.
The axle half shafts are fully floating and the wheel hubs run on opposed taper roller
bearings.
The approximate weight is 220KG (485lb).
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Section 3
IDENTIFICATION
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Identification
A plate is attached to the centre housing of each axle on which are stamped details of the
axle specification (see illustration below) and the axle serial number.
If you require spares, both numbers on the plate should be quoted together with the
machine model and serial number.
The model number allocated to each axle describes the basic specification as follows:-
Axle Model
Series
Fixed Pads
Code Number
410
R
F
14
W131
Rigid Drive
Reduction Ratio
14.8:1
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Section 4
GENERAL SERVICE
INFORMATION
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General Service Information
Routine Maintenance
Check
Interval
For oil leaks around joints and seals
Wheel nut tightness
Weekly/50 hours
Daily/8 hours
Hub bearing adjustment
Axle arm/centre case bolts
Halfshaft securing nuts
Propshaft nuts and bolts
Brake pipe connections
Lubricants
12 Monthly/1000 hours
Weekly/50 hours
Weekly/50 hours
Weekly/50 hours
Weekly/50 hours
The oils used must have the correct additives to be compatible with the mineral oil
braking system, therefore, only those lubricants shown below or their direct equivalents
must be used.
Mobil Fluid 422
Agricastrol AS Special
Esso Torque Fluid 56 or 62
Gulf Universal Tractor Oil
Total Universal Plant Oil
Total Transmission MP
The oil is added via the combined filler/level plug located in the face of the centre housing
on the opposite face from the input flange.
THE OIL CAPACITY IS APPROXIMATELY 6.25 LITRES (11 PINTS)
Greases
The oils seals in the areas listed below should be packed with grease whenever a major
overhaul or a repair to one of these areas is carried out.
1)
2)
Hub Seal - between the V Ring Seal and Hub Oil Seal.
Pinion Oil Seals
Using the one of the following greases or their equivalents.
Mobil Grease MP
Esso Beacon 2
Total Multis EP2
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Brake Fluid
The oil immersed brakes are operated using a mineral hydraulic fluid. On no account
must a vegetable based brake fluid be used otherwise all braking system seals will be
damaged.
Whenever the brakes are serviced it is essential that the cylinder bores, pistons and
seals are cleaned before assembly and lubricated using one of the following mineral oils
or their equivalent.
Total Azzola ZS46
Shell Tellus 27
Total Azzola ZS22
Mobil DTE 24
Esso Nuto H32
Liquid Sealants
On assembly the following mating surfaces should be coated as indicated. Under no
circumstances should Silicone RTV Compound be used on the Pinion Housing/Cartridge
or the Axle Arm to Case Joints.
Pinion Housing/Cartridge to Maincase
Axle Arm to Main Centre Housing
Hermatite
Hermatite
Hermatite
Stub Axle to Axle Arm
(Where applicable)
Halfshaft to Hub
Compound
Silicone RTV
Tightening Torques
Description
Torque
Kpm
7.8
(lbft)
56
Differential Assembly Nuts & Bolts
Brake Cylinder to Maincase
Capscrews
5.8
5.8
5.8
16
42
Pinion Cartridge to Maincase Setscrews
Axle Arm to Maincase Bolts
Halfshaft to Hub Nuts
42
42
115
180
100
180
200
20
Stub Axle to Axle Arm Nuts and Bolts
Hub Assembly Ring Nut
Wheel Nut 5/8 BSF
25
14
25
Wheel Nut 18mm
28
Brake Pipe Adaptors
2.8
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Section A
PINION HOUSING
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Servicing the Pinion Cartridge Assembly
Section A
Place a suitable container below the axle drain plug underneath the axle centre housing,
remove the plug and drain the oil. Dispose of the oil safely in accordance with local
bylaws and national regulations.
Remove the setscrews securing the pinion cartridge to the centre housing and lift off the
assembly. The cartridge is located to the centre housing on dowels and will require
carefully prising free using a small pry bar or similar suitable tool. Take care not to
damage or lose the shims fitted between the cartridge and centre housing.
Prevent the flange from turning and undo and remove the self locking nut and flat washer
securing the flange to the pinion. Using a suitable puller or drift remove the flange and
gently drift the pinion shaft out through the cartirdge. Take care to avoid damaging the
gear teeth, splines or threads. Prise the oil seals out of the cartridge, slide the old
collapsed spacer off the shaft and discard the spacer.
Note: A new spacer should always be fitted.
Inspect the bearings for wear or damage, check the teeth on both the crownwheel and
pinion and make a visual check through the differential of the “wheels”. If the front
bearing race on the shaft needs replacing use a suitable bearing puller to avoid
damaging the pinion shaft. If the outer cones need replacing they can easily be drifted
out of each end of the cartridge.
Important: If new pinion bearings are fitted check the crownwheel/pinion backlash. See
Section F Crownwheel Pinion Set Up.
To re-assemble the cartridge reverse the above procedure fitting a new collapsible
spacer, install the pinion shaft through the innermost bearing cone and fit the rear bearing
over the pinion shaft. Carefully fit the new oil seals and pack with one of the
recommended greases. Refit the flange, coat the inner surface of the flat washer with
silicone sealer and loosely refit the washer and self locking nut.
Prevent the flange from turning and tighten the nut until the spacer begins to collapse and
all the end float between the pinion bearing is taken up but without pre-loading the
bearings.
Slowly continue to tighten the nut, frequently checking the preload, until a preload of 4.5-
6.5Kg (9.9-14.3lbs) for new bearings or 2.2-3.50Kg(4.9-7.7lbs) for used bearings is
obtained. The preload is measued by winding a length of string round the flange and
measuring the load required to turn the flange with a spring balance. Care should be
excercised when tightening the pinion nut otherwise the required preload will quickly be
exceeded.
If the old bearings have been reused coat the mating surface of the pinion cartridge and
centre housing with the recommended sealant and fit the original shimpack. Refit the
cartridge onto the centre case.
If new bearings have been fitted refer to Section F.
Refit the drain plug and tighten. Remove the combined filler/level plug located midway
up the rear of the centre housing and refill the axle with oil. Refit and tighten the level
plug.
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Section B
DIFFERENTIAL
ASSEMBLY
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Servicing the Crownwheel and Differential Assembly
Section B
Refer to Sections A, D and E and remove the pinion cartridge, axle arm assemblies,
sungears and brake plates.
Withdraw the brake pistons and discard the “O” rings.
Remove the cap headed screws and brake pipe adaptors retaining the brake cylinders
into the centre casing, mark both the cylinders and casing so that the cylinders can be
refitted in their respective ends of the casing on re-assembly.
Stand the maincase on one cylinder end and carefully withdraw the now upper cylinder, if
necessary the cylinders can be “jacked” out of the casing by fitting two setscrews into the
threaded holes provided in each cylinder.
Lift out the differential assembly and turn the centre casing over, withdraw the remaining
brake cylinder. Note which end of the centre casing the crownwheel is located. Locating
the crownwheel into the opposite end of the casing from which it was removed will result
in the axle rotation being reversed.
Important: Unless the brake cylinders, differential bearings, differential casing halves or
maincase are to be replaced do not disturb the adjusting ring nuts located in the centre of
the brake cylinders otherwise the differential bearing preload and crownwheel/pinion
backlash will need resetting as described in Section F.
Remove the nuts and bolt securing the crownwheel and the two halves of the differential
casing together, lift off the crownwheel and separate the two halves of the casing
exposing the differential spiders, pinion and wheels.
Examine each component for wear and replace as necessary. Re-assemble taking care
that all components are kept clean, align the indent marks on the casing halves and
torque the nuts and bolts to:-
7.8Kpm (56lbft)
Clean the mating surfaces of the brake cylinders and main casing and coat the surfaces
with one of the recommended sealants. Reassemble one cylinder into its respective end
of the casing and stand the casing on that end. Carefully lower the differential assembly
into the centre casing and install the second brake cylinder. Secure with the cap head
screws and the brakepipe adaptors.
Lubricate the pistons, new seals and cylinders with clean hydraulic oil (not brake fluid)
and assemble the pistons into the cylinders.
Refer to Sections A, D and E and re-assemble the axle.
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Section C
PLANET CARRIER
ASSEMBLY
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Servicing the Planet Carrier Assembly
Section C
To gain access to the planet carrier refer to Sections D and E and remove the axle arm,
sun gear and brake plates.
Withdraw the brake spacer plate from within the axle arm and lift out the planet carrier
assembly.
Check the teeth on the planet gears, sun gears and annulus gears for wear. The planet
gears should run freely on the planet pins without excessive radial play.
To dismantle the planet carrier knock the spring dowels into the planet pins and lightly
drift the planet pins out of the carrier. Remove the thrust washers, planet gears and
needle bearing. The axle shaft thrust washer is retained by a circlip which can be
removed to allow inspection of the washer. Inspect all the individual components for
wear and replace as necessary. Before re-assembling the planet carrier remove the old
spring dowel pins from the planet pins and ensure new spring dowel pins are fitted on
assembly.
If necessary the annulus, which is retained by the dowels, can be withdrawn from the
axle arm. If the annulus is replaced the dowels should also be replaced. Ensure the
annulus is fitted squarely into the axle on re-assembly.
Locate the planet carrier assembly back into the axle arm engaging the teeth on the
annulus gear. Refit the brake spacer plates.
Refit the brake disc plates and sun gear as described in Section E.
Refit the axle arm as decribed in Section D.
Refit the drain plug, remove the combined filler/level plug and top up the axle oil.
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Section D
AXLE ARM & HUB
ASSEMBLY
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Hub, Stub Axle and Axle Arm Assembly
Section D
The Hub, Halfshaft and Stub Axle can be serviced with the Axle in situ on the machine.
The Hub Assembly
Remove the ring of nyloc nuts round the halfshaft securing the shaft to the hub, withdraw
the shaft and check the splines for wear or damage. Check the shaft for signs of twist or
distortion (A drip tray placed below the hub will catch any oil which runs from the hub).
Straighten the locking tabs on the lockwasher securing the ring nut, undo the ring nut and
remove the nut, lockwasher and spacer, pull off the hub taking care not to drop the
bearings, remove the V ring seal located on the rear of the hub.
The front and rear bearing and hub oil seal can be drifted out of the hub, the hub oil seals
should be replaced regardless of visual condition. If new bearings are to be fitted ensure
they are aligned squarely to their bores before tapping home.
The oil seal housing is an interference fit on the stub axle and can be gently tapped off
using a soft faced hammer if it requires replacing. When refitting the replacement care
must be taken not to damage or distort the housing. Apply “loctite” grade 601 to the
mating surfaces of the housing and stub axle before assembly.
To re-assemble the hub reverse the procedure, lubricating the hub oil seal lip, “V” ring
seal and bearings before assembly. Fit a new lock washer.
To Adjust the Hub Bearings
Tighten the ring nut to a torque of 14Kpm (100lbft). Fully rotate the hub a few turns in
each direction to seat the bearings and re-check the torque (this operation should be
repeated until the locknut no longer turns when the torque is rechecked). Slacken the ring
nut back a distance equal to 1 tab of the lockwasher and then bend over a tab to secure
the ring nut in place.
Coat the mating surfaces of the hub and halfshaft with one of the recomended sealants
and refit the halfshaft aligning the splines and studs. It may be necessary to rotate the
hub slightly to align the splines on the halfshaft with the planet carrier within the axle. Re-
torque the nyloc nuts. Remove the combined filler/level plug and top up the axle oil.
Stub Axle Removal
The stub axle is retained to the axle arm via a ring of nuts and bolts and is sealed using
an “O” ring.
To remove the stub axle it will be necessary to remove the halfshaft. Remove the ring of
nuts and bolts and lift the stub axle clear of the arm.
Check all parts for damage, replace the “O” ring, coat the mating surfaces with the
recommended sealant and refit the stub axle.
Refit the halfshaft as previously described, top up the axle oil.
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Axle Arm Removal
It is recommended that the axle is first removed from the dumper before the axle arm is
removed.
Drain the oil from the axle as described under section A, remove the halfshaft as
described previously.
Support the weight of the axle arm and remove the ring of bolts around the flange of the
arm. Place a drip tray below the axle arm and case to catch any oil which may run out.
Carefully withdraw the arm away from the centre housing taking care with the brake
plates, discs, sun gears etc. which are located between the axle arm and centre casing.
On refitting the arm ensure the mating surfces of the arm and centre housing are coated
with the recommended sealant. Align the arm with the centre casing, engage the sun
gear with the differential, ensure the dowels in the arm are aligned and refit the bolts.
Tighten the bolts to the correct torque.
Refit the halfshaft and top up the axle oil.
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Section E
BRAKES
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BRAKES
Section E
Note: the brakes operate on a mineral hydraulic fluid. On no account must a vegetable
based brake fluid be used otherwise all braking system seals will be damaged.
To gain access to the brake components it will be necessary to refer to Section D and
remove the axle arm assemblies.
Remove the brake friction and fixed plates from the sun gears and withdraw the sun
gears from the planet carriers.
Remove the brake spacer plates from within the axle arms and withdraw the brake
pistons from the cylinders located in the ends of the centre casing and discard the seals
even if visually in good condition. Ensure replacement seals are suitable for use with
mineral hydraulic fluids.
Refer to Section B and F if the brake cylinders require relacement.
Examine all parts for wear or damage, under normal operating conditions the brakes
should last several years, but should be replaced if blued, distorted or badly scored or the
wear exceeds the limits given below.
Blueing of the brake plates indicates that the brakes have been overheating and slipping.
Both sets of plates, plain and sintered bronze, should be replaced and the piston seals
renewed.
Distortion normally occurs in conjuction with blueing and again indicates that the brakes
have been overheating and slipping. Both sets of plates, plain and sintered bronze
should be replaced and the piston seals renewed.
Scoring of the plates indicates that there are loose particles or foriegn material
suspended in the oil. The axle casing should be thoroughly cleaned out and if necessary
the source of the particles or material should be investigated. Both sets of plates, plain
and sintered bronze should be replaced and the axle refilled with clean oil.
Wear, if the sintered groove of the bronze brake disc is worn down to a depth of .025
inch, 0.6mm or less, then the plates have reached the end of their working life and should
be replaced. Care should be taken when examining the plain brake plates for over a long
period of operation these can show a greater degree of wear than the sintered bronze
disc. Do not assume because the bronze disc is well within the wear limits that all the
brake plates are in an acceptable condition. Replacing the plain brake plates may
prolong the working life of the brakes and restone their efficiency.
Lubricate all the parts with one of the recommended mineral oils and carefully refit the
brake pistons taking care not to nip the “O” rings.
Refit the brake spacer plates into the axle arms and insert the sun gears into the
planetary carrier. Slide a friction plate over the planet carrier upto the brake spacer plate
followed by a plain fixed plate, locate the fixed plates on the dowels in the axle arms.
Slide on the next friction plate aligning the oil feed holes in the friction plates, followed by
a fixed plate (A plain fixed plate must be fitted between the last friction disc and brake
piston).
Refer to Section D and refit the axle arms.
Refit the drain plug. Remove the combined filler/level plug and top up the oil.
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Section F
SETTING PROCEDURE
CROWNWHEEL &
PINION
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Setting Up The Crownwheel And Pinion
Section F
A) When a new Spiral Bevel Pinion is fitted.
Assemble the pinion and bearings into the cartridge and adjust the bearing preload as
described on Section A, note the Mounting Distance “MD” stamped on the front face of
the old and new bevel pinons.
The shim pack thickness used with the old pinion must be adjusted to suit the new bevel
pinion as follows:-
a) If the new MD is less than the old figure decrease the shim pack thickness by the
difference.
b) If the new MD is greater than the old figure increase the shim pack thickness by the
difference.
Fit the correctly sized shim pack to the face of the pinion cartridge, coat the mating
surfaces with one of the recommended sealants and assemble the cartridge onto the
main casing.
B) When the old MD is not available or a new Pinion Housing is fitted.
Assemble the pinion and bearings into the cartridge and adjust the bearing preload as
described in Section A.
Using a depth gauge or other suitable measuring instrument accurately measure from the
front face of the pinion to the mating/joint face on the pinion cartridge flange, this is
dimension “X”.
Assemble and seal one of the brake cylinders into the main casing, if new differential
support bearings are to be fitted, fit the bearing cone and adjusting ring nut. Stand the
case on the cylinder and lower in the differential assembly. Seal and install the second
brake cylinder, fitting the bearing cone and ring nut. Equally adjust ring nuts until all the
end float is removed from the differential bearings.
Using a depth guage or other suitable measuring instrument accurately measure from the
pinion cartridge flange surface to the ground diameter on the differential assembly. This
is dimension “Y”.
Read both the Pinion Mounting Distance “MD” and the Pinion Head Thickness “HT”
stamped on the front face of the pinion and use the following calculations to determine
the shim pack thickness required.
a) MD - HT - 129.50= “A”
2
(129.50 equals the differential case ground diameter)
B) Dimension “ Y ” - Dimension “X” = “B”
C) “A”-"B", the resulting figure is the thickness of the shim pack to be placed between the
pinion cartridge and centre casing.
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Select a shim pack of the correct thickness and fit to the pinion cartridge, slacken the
differential bearing adjusting ring nuts and install the pinion cartridge to the maincase
ensuring the crownwheel and pinion are correctly meshed. Retain the pinion cartridge to
the main case using two setscrews.
Retighten the adjusting ring nuts to take up the differential bearing end float and lightly
preload the bearings, adjust both ring nuts to give the correct backlash between the teeth
on the crownwheel and pinion:-
1410 Hardy Spicer 4 Bolt Flange 0.31 - 0.39mm
The backlash is best checked via a dial indicator clock located against a drive flange hole
or located against the head of a nut and bolt which is secured in one of the holes within
the flange.
Equally tighten both ring nuts by the same amount to give the correct bearing preload (it
is important that the backlash is maintained).
The preload is measured by winding a length of string around the pinion flange and
measuring the load required to turn the flange with a suitable spring balance.
Differential Bearing
Preload
New Bearings
Old Bearings
7.5-9.9Kg
(16.5lbs-21.80lbs)
3.65-5.3Kg
(8.00-11.7lbs)
After setting the differential bearing preload recheck the crownwheel/pinion backlash.
Remove the pinion cartridge assembly and brush some “Engineers Blue” onto a few
crownwheel teeth and refit the pinion cartridge. Rotate the pinion flange a few complete
rotations in both directions and remove the pinion cartridge.
Examine the contact markings on both flanks of the crownwheel teeth and compare the
markings to the illustrations in Section G or the original factory markings.
If the marking is different refer to section G “Sprial Bevel Tooth Contact” and make the
necessary adjustments.
Coat the mating surfaces of the main casing and pinion cartridge with the recommended
sealant and fit the cartridge.
Secure the adjusting ring nuts using the locking devices, coating the threads on screws
with loctite. Re-assemble the remainder of the axle as described in Sections C, D and E.
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Section G
SPIRAL BEVEL GEAR
TOOTH CONTACT
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Spiral Bevel Gear Tooth Contact
Section G
The illustration shown below is intended as a reminder to those who are unfamiliar with
the terminology applied to Spiral Bevel Gear Teeth
Convex Flank
Concave Flank
The markings on a crownwheel which is correctly meshed with the pinion should
resemble those shown on the illustration below:-
Although the contact point on both flanks of the teeth may vary slightly, generally
speaking when correctly setup the markings on both the convex and concave flanks will
be in the centre of the tooth form and can still be considered to be correct if, on both
flanks, the markings are towards the toe or if crossed slightly e.g. towards the toe on the
convex flank and the heel on the concave flank or vice-versa.
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If when comparing the contact markings they appear similar to the illustrations below the
corrective action indicated is required.
Pinion Too Far Out of Mesh
Convex Flank
Contact markings closer to toe and tip than factory markings
Concave Flank
Contact markings closer to heel and tip than factory markings.
Remedy:-
175 series Re-check and increase shims behind head of pinion.
200 series Re-check and increase shims behind head of pinion.
210 series Re-check and increase shims behind head of pinion.
220 series Re-check and increase shims behind head of pinion.
360 series Re-check and increase shims behind pinion front bearing cone.
410 series Re-check and decrease shims between pinion cartridge and axle case.
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Pinion Too Far into Mesh
Convex Flank
Contact markings closer to heel and root than factory markings
Concave Flank
Contact markings closer to toe and root than factory markings.
Remedy:-
175 series Re-check and decrease shims behind head of pinion.
200 series Re-check and decrease shims behind head of pinion.
210 series Re-check and decrease shims behind head of pinion.
220 series Re-check and decrease shims behind head of pinion.
360 series Re-check and decrease shims behind pinion front bearing cone.
410 series Re-check and increase shims between pinion cartridge and axle case.
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