CLAAS AXION 850-810
HEXASHIFT Tractor
(Type A30)
Service Repair Manual
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
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
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 t