Inspecting the clutch spring
- Measure the free length of the mobile driven half-
pulley spring.
Characteristic
Standard length (125)
106 mm
limit after use (125)
101 mm
Standard length (200 - 250)
123 mm
Limit after use (200 - 250)
118 mm
Refitting the clutch
Version 125
- Support the driven pulley spring compressor ap-
propriate tool with the control screw in vertical axis.
- Arrange the tool with the medium length pins
screwed in position «F» on the inside.
- Insert the adapter ring 8 in the pins.
- Preassemble the cooling fan to the clutch in such
a way that the keying facets are aligned and the 3
pin heads (A) of the mass axis can be seen in full.
- Insert the clutch on the adapter ring.
- Lubricate the end of the spring that abuts against
the servo-system closing collar.
- Insert the spring with its plastic holder in contact
with the clutch.
- Insert the driving belt into the pulley unit accord-
ing to their direction of rotation.
- Insert the pulley unit with the belt into the tool.
- Slightly preload the spring.
- Make sure that the clutch is perfectly inserted into
the adapter ring before proceeding to tighten the
clutch nut.
- Place the tool in the clamp with the control screw
on the horizontal axis.
Engine B 125-250
ENG - 116
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