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jcb TM420 User Manual

jcb TM420
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27 - Driveline
06 - Semi-Automatic Gearbox
12 - Clutch - Ratio
27 - 126 9813/6850-2 27 - 126
12 - Clutch - Ratio
Disassemble and Assemble
Special Tools
Description Part No. Qty.
Circlip Assembly Tool 998/11334 1
Main shaft clutch
Disassembly
The numerical sequence is a guide to the
disassembly procedure.
1. Remove and discard the O-ring seals 1.
2. To check the clutch plates.
2.1. Remove the circlip1 from the clutch drum.
2.2. Lift off the thick pressure counter plate then
the seven friction plates and seven counter
plates.
3. Remove and check the roller bearing race. If
necessary discard it.
4. Use either the circlip assembly tool or a tube of
suitable diameter to install over the top spring
cup.
Special Tool: Circlip Assembly Tool (Qty.: 1)
Figure 567.
A
A Tube
5. Cut out a small portion of the tube, to allow
access, to release the circlip 2.
6. With the clutch drum located in the press,
compress the spring sufficiently to allow the
circlip 2 to be released.
7. When the circlip 2 is released, remove it from the
shaft with the spring cup, spring and the lower
spring cup.
8. If necessary the clutch operating piston may be
removed by compressed air blown through the
drilling in the end of the clutch shaft.
9. Remove and discard the clutch piston O-ring seal
2 and seal 3.

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jcb TM420 Specifications

General IconGeneral
Engine Power108 kW
Transmission4-speed powershift
Travel Speed40 km/h
Maximum Lift Capacity4, 200 kg
Bucket Capacity1.8 - 2.2 m³

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