This document provides instructions for removing and reassembling the Hexashift module from a CLAAS Axion 850-810 tractor. The steps include:
1. Draining fluids, removing exterior components, and securing the tractor before removing the Hexashift housing.
2. Uncoupling the Hexashift housing from other components and removing transmission parts like the PTO shaft and reverse transmitter.
3. Dismantling the Hexashift module by removing clutches, brake discs, gears, shafts, and housings.
4. Reassembling the Hexashift module by refitting components in reverse order while aligning marks and applying locking agents to fasteners.
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
Over the 10 years, we have gained a strong foothold in the market due to our range's high quality, competitive prices, and time-lined delivery schedules.
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Comprehensive program for Agricultural Finance, the Automotive Sector, and Empowerment . We will define the full scope and provide a detailed two-week plan for identifying strategic partners in each area within Limpopo, including target areas.:
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• Target Areas: Polokwane, Lephalale, Mokopane, Phalaborwa, and Bela-Bela.
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• Scope: Provide business support support and training to women-owned businesses, promoting economic inclusion.
• Target Areas: Polokwane, Thohoyandou, Musina, Burgersfort, and Louis Trichardt.
We will also prioritize Industrial Economic Zone areas and their priorities.
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1. You must have a registered business and operate in Limpopo
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Women and Youth are encouraged to apply even if you don't fall in those sectors.
"Trans Failsafe Prog" on your BMW X5 indicates potential transmission issues requiring immediate action. This safety feature activates in response to abnormalities like low fluid levels, leaks, faulty sensors, electrical or mechanical failures, and overheating.
2. B2.8 Axion 850-810 – 10.2010 – GB
"Hexashift"
Removing the "Hexashift" module
326hsm93 Fig. 4
– After removing the cab (see chapter "H").
– Drain the transmission system. Remove the fuel tanks,
battery bracket and exhaust.
– Disconnect any pipes, hoses and wiring harnesses that
prevent removal of the housing.
– Make the tractor safe with stands and trolleys.
– Lock the sway action between the front axle and the
cradle.
– Uncouple the "Hexashift" housing (A) from the engine
and the range module (B).
– Recover the PTO shaft.
– Remove the reverse transmitter.
– Remove the 4 wheel drive shaft.
A
B
3. Axion 850-810 – 10.2010 – GB B2.9
"Hexashift"
– Remove the hydraulic command unit (D) fitted with 5
supply tubes.
326hsm94 Fig. 5
– Remove the elbowed lubrication fitting (E) located on
the left side of the casing.
326hsm95 Fig. 6
Removing the "B228-2" engine speed sensor
(on gearbox entry shaft)
– Loosen screw (A).
– Pull out the support assembly (B) and sensor (C).
326hsm96 Fig. 7
D
E
B
C
A
4. B2.10 Axion 850-810 – 10.2010 – GB
"Hexashift"
– Position the casing standing using the 6 threaded rods
(H) "M14", length 170 mm and nuts (See local made
tooling in page B2.2).
326hsm97 Fig. 8
– Fasten 2 shackles (I) instead of the screws located
opposite the reverse transmitter (to properly balance the
assembly upon removal).
– Unscrew the 8 screws (J).
Important: Do not unscrew the 4 screws (K) serving
to join the multiplier and additional multiplier
housings.
– Mark the position of the "Hexashift" module in respect
of the casing.
– Extract the 'Hexashift' and 'Revershift' assebly through
the top while tilting it (Fig. 8).
326hsm98 Fig. 9
Disassembling the
"Hexashift" module
– Place the "Hexashift" module assembly on a carrier,
with the forward clutch turned downwards.
– Mark the cover (AA) in relation to the additional
multiplier housing. (Upon refitting, refer to the centering
pin).
– Undo the screws (AB) to separate the clutches from the
"Hexashift" module.
326hsm99 Fig. 10
H
I
J
K
AB
AA
5. Axion 850-810 – 10.2010 – GB B2.11
"Hexashift"
Note: Clutch "C", brake "D" and the double epicyclic
gear train remain on the clutches.
– Push down on the double gear train and remove the
retaining ring (AC).
– Recover the spring washer (AD) (Fig. 12).
– Undo the screws (AE) of the clutch cover "C".
– Remove the clutch "C" and the brake "D".
– Identify the direction of assembly of the clutch "C" (AF)
hub (splines facing up).
– Remove the clutch housing (AG) and recover the
friction washer (AH).
Note: If necessary remove the cover (AA) marking its
position relative to the bearing (AI).
326hsm0a Fig. 11
326hsm0b Fig. 12
AC
AF AE
AG
AH
AA
AI
AE
AA
AD
6. B2.12 Axion 850-810 – 10.2010 – GB
"Hexashift"
326hsm0c Fig. 13 326hsm0d Fig. 14
– Disassemble the 2 planet-carriers (AJ).
– Remove the flexible ring (AK).
– Remove the planet carrier (AL).
– Separate the sun gear (AM) from the planet-
carrier (AL).
– Flip the "Hexashift" module and lay it on 2 shims, with
the input shaft downwards (Fig. 14).
– Remove the brake piston "D" (AN) with a jet of
compressed air.
– Block the rotation of the ring gears then remove the first
ring gear (AO).
– Remove the retaining ring (AP) and retrieve the second
ring gear (AQ).
– Block the rotation of the ring gear holder (AR), loosen
the screws and remove.
– Recover the spring washer (AS).
– Pull on the shaft (AT).
– Identify the direction of assembly of the clutch "A" (AU)
hub (splines facing up).
326hsm0e Fig. 15
326hsm0f Fig. 16
AL
AM
AJ
AK
AN
AO
AQ
AP
AR
AU
AS
AT
7. Axion 850-810 – 10.2010 – GB B2.13
"Hexashift"
– Remove the clutch "A" discs and blackplates up to the
bearing plate (AV).
– Remove the additional multiplier housing (AX) marking
its position in relation to the multiplier housing (AY).
– Remove the brake piston "A" (AZ) remaining in the
housing (AX).
– Remove the rest of the clutch "A" and the brake "A".
– Remove the clutch casing (BA).
326hsm0g Fig. 17
– Recover the friction washer (BC).
– Recover the two O-rings (BD) and (BE).
326hsm0h Fig. 18
AZ
AV
BC
BA
AX
AY
BA
BE
BD
8. B2.14 Axion 850-810 – 10.2010 – GB
"Hexashift"
326hsm0i Fig. 19
– Turn over the multiplier housing (BF).
– Remove the cover (BG) marking its position.
– Recover the friction washer (BH).
– Pull on the shaft (BI) to remove the clutch "E" and brake "F" assembly.
– Loosen the screws (BJ) of the cover (BK) in order to completely remove the clutch "E" and the brake "F".
– Recover the final brake disc (BL).
– Remove the piston (BM) using a jet of compressed air.
– Remove the planet-carrier (BN).
– Recover the bush (BO), (Fig. 20).
– Remove the ring gear (BP).
326hsm0j Fig. 20 326hsm0k Fig. 21
BG
BN
r
e
b
BP
BF
BO
BH
BJ BK BI
BL
BI
BM
BN
BP
9. Axion 850-810 – 10.2010 – GB B2.15
"Hexashift"
Reassembling the
"Hexashift" module
– Replace all removed gaskets.
– Refit in reverse order to removal while observing the
following instructions.
– Position the clutch housing "E" (AA) on 2 blocks (c).
– Fit the bearing (b) and elastic washers (e) back to back,
(Fig. 20).
– Place the bearing plate (AB).
– Fit the spring washer (r), (Fig. 20).
– Insert the shaft (AD).
Note: Raise the shaft by means of a shim so that the
final disc (AE) of the clutch "E" engages with the
splines of the shaft.
Important: New discs must be soaked in a bath of
transmission fluid for approximately one hour.
– Fit the clutch "E" and the brake "F".
– Place the cover (AF) fitted with the sun gear.
Important: Perfectly align the final backplate (AG)
with the housing before and while tightening the
cover.
– Tighten the screws (AH), coated with Loctite (243),
to 3,3 daN·m.
– Place the cover (AI) on the two shims in place of the
assembled casing.
– Ensure the washer (AJ) is glued with Loctite (648) in
the cover.
– Fit the lubricated seal (AK) in the cover using a press
and an appropriate jig.
– Lubricate the inner lip of the seal.
326hsm0m Fig. 22
326hsm0n Fig. 23
326hsm0o Fig. 24
AE
AB
AD
AA
c
c
AF
AG
AH
55
57
59
10. B2.16 Axion 850-810 – 10.2010 – GB
"Hexashift"
Important: Position a first brake disc (AL) before
fitting the assembled housing (AM).
– Coat the friction washer with oil and place it in the
location provided under the clutch housing.
Warning: Do not flip the lip seal with the shaft to be
engaged in the clutch/brake assembly.
– Fit the planetary holder (AN) with the bearing (AO) and
the bronze bush (AP).
– Place the grease-coated O-ring (AQ).
– Align one of the planet gears opposite the mark made
on the cover.
326hsm0p Fig. 25
– Position the ring gear (AS) together with its bearing in
the multiplier housing (AR).
– Lubricate the piston seals.
– Fit the piston (AT) by tapping gradually and alternately
around the edge with a mallet.
– Align one of the piston notches (e) with the mark (r)
made on the casing upon removal.
326hsm0q Fig. 26
– Lower the housing (AR) onto the cover (AI) with the
marks aligned.
– Tighten the screws of the cover coated
with Loctite (243) to 3,3 daN·m.
– Check shaft rotation.
326hsm0r Fig. 27
AP
AO
AI
AN
AL
AM
AQ
AS
AT
AR
e
e
r
r
AI
AR
11. Axion 850-810 – 10.2010 – GB B2.17
"Hexashift"
– Check the washer (AV) is glued in the casing with
Loctite (648).
Important: Position a first brake disc (AW) before
fitting the clutch "A" and brake "A" assembly. Coat
the fiction washer (AX) with oil and place it in the
location provided under the clutch casing.
326hsm0s Fig. 28
– Fit the shaft (AY) and the hub (AZ) with the splines
facing up.
Important: Smear the O-rings (BA) and (BB) with
grease before fitting them.
– Lubricate the piston seals.
– Fit the brake piston "A" (BC) in the housing (BD) by
tapping gradually and alternately around the edge with a
mallet (Fig. 29).
326hsm0t Fig. 29
– Lower the casing of the demultiplier (BD) onto the
multiplier casing (BE) using the guide studs (m), while
aligning the marks (r).
Important: Align the lubrication holes.
326hsm0u Fig. 30
BD
BC
AV
BE
AW
AX
AZ
BA
BB
AY
10
BE
BD
r
r
m
m
12. B2.18 Axion 850-810 – 10.2010 – GB
"Hexashift"
– Lock the rotation of the crown carrier (BG) using a drift
punch (g) of 8 mm diameter.
– Tighten the screws (BF), coated with Loctite (243),
to 3,3 daN·m.
– Place the spring washer (BH).
326hsm0v Fig. 31
– Fit the ring gear (BI) together with its bearing.
– Place a bearing point (s) against the shaft (AY) and
push the spring washer (BH) to facilitate positioning of
the elastic ring (BK).
– Block the rotation of the ring gear holder and fit the
second ring gear (BL).
– Tighten the screws (BM), coated with Loctite (243),
to 1,7 daN·m.
326hsm0w Fig. 32
– Lubricate the piston seals.
– Fit the brake piston "D" (BN) in the housing (BD) by
tapping gradually and alternately around the edge with a
mallet.
– Align one of the piston notches (e) with the mark (r)
made on the casing upon removal.
326hsm0x Fig. 33
BF
BG
BH
g
g
BI
AY
S
BM
BL
BK
BN
BD
e
e
r
r
13. Axion 850-810 – 10.2010 – GB B2.19
"Hexashift"
On the clutch assembly (front and back):
– Fit the bearing (BO) with the sealed side towards the
clutches.
– Position the circlip (BP) and the plate (BQ).
– Tighten the screws (BR), coated with Loctite (243),
to 1,7 daN·m.
– Fit the cover (BS).
– Tighten the screws (BT), coated with Loctite (243),
to 3,3 daN·m.
Important: Place a first brake disc in position before
fitting the clutch "C" and brake "D" assembly. Coat
the friction washer with oil and place it in the location
provided under the clutch housing.
– Fit the hub (BU) with its inner splines facing up
(Fig. 37).
– Fit the clutch "C" and the brake "D".
– Fit the cover (BV) and its sun gear (BW).
– Tighten the screws (BX), (BY), coated
with Loctite (243), to 3,3 daN·m.
– Place the spring washer (BZ).
– Lower the double epicyclal gear train assembly.
– Stress the spring washer (BZ) in order to place the
retaining ring.
326hsm4p Fig. 34
326hsm0y Fig. 35
326hsm0z Fig. 36
BU BR
BS
BO
BP
8
10
9
2
1
7
BZ
BW
BU
BV
BY
BX
14. B2.20 Axion 850-810 – 10.2010 – GB
"Hexashift"
– Align both plant gears opposite the mark made on the
cover at removal.
– Lower the housing (BD) onto the cover (CA) with the
marks aligned.
– Tighten the screws of the cover coated
with Loctite (243) to 6,6 daN·m.
326hsm1a Fig. 37
– Check that the shaft turns correctly.
326hsm1b Fig. 38
CA
BD
15. Axion 850-810 – 10.2010 – GB B2.21
"Hexashift"
Refitting the "Hexashift" module
– Grease the seal (A).
– Assemble in the reverse removal sequence.
– Fit the "Hexashift" module into the casing while aligning
on the mark made during removal.
– Coat the screws with Loctite (243). Tighten the screws
to 6,7 daN·m.
326hsm1c Fig. 39
A
16. B2.22 Axion 850-810 – 10.2010 – GB
"Hexashift"
Adjusting the "B228-2" engine speed sensor
with tractor uncoupled
– Smeat slightly the threaded rod of the sensor with
Loctite (243).
– Tighten or loosen the sensor (A) from its carrier (B) in
order to obtain a 1 mm space between it and the plate
(C).
– Check using feeler gauges.
326hsm4t Fig. 40
Adjusting the "B228-2" engine speed sensor
with tractor coupled
– Note the dimension (a) of the sensor threaded rod in its
carrier.
– Fit the new sensor smeared with Loctite (243) while
keeping the dimension measured on the previous sensor.
Note: Original dimension (a) = 22,5 mm.
326hsm4u Fig. 41
Refitting the "B228-2" engine speed sensor
– Position the holder and sensor in the casing tapered
hole.
– Smear slightly the nut (A) with Loctite (243).
– Tighten the nut (A).
326hsm4v Fig. 42
C
A
B
a
A
17. Axion 850-810 – 10.2010 – GB B2.23
"Hexashift"
326hsm1d Fig. 43
– Apply some Loctite (510) on the front and rear
assembly faces after cleaning them (B).
– Position the power take-off shaft in the housing (C) of
the "Revershift" module hub.
– Check the presence of the spring on the power take-off
shaft.
Note: The power take-off shaft can also be fitted after
coupling the 'ranges' module.
– Properly align the reverse countershaft (D).
– Fit the supply tube (E) with a O-ring present in each
casing.
After having shimmed the 4 wheel drive shaft (F), See
Shimming the 4 wheel drive shaft:
– Fit the "Hexashift" module assembly in the reverse
removal sequence, using guide studs.
C
D
E
B
F
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