Weber mt CR 3 Operating and installation instructions

1
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Last update September 2016

2
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Introduction
Carefully read the repair manual all the way through before starting work. Carefully follow all
instructions and always execute the described activities in the specied sequence.
The safety requirements prescribed for repair tasks must be complied with to prevent personal
injury and / or material damage.
Do not make any unauthorized changes or conversions to the soil compactor. Any liability is
excluded for damage due to changes or conversions to the soil compactor. To ensure safe and
reliable operation, only use original Weber spare parts.
The pictograms that are explained in more detail below provide you with important information.
Consequently strictly comply with these instructions in the repair manual.
Warning against irritants or materials hazardous to health
Warning against a hazardous place
Warning against a suspended load
Wear ear protection
General regulation
Environmental protection
Hard hat
Safety shoes
Protective gloves

3
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Unscrew the fastening screws of the exciter
housing cover.
Remove the O-ring.
Loosen the vent screw on the cylinder cover.
Remove the fastening screws of the cylinder cover.
Do not reuse the O-ring.
Do not reuse parts!
Do not reuse screws and Nordlock lock rings!
Dismantling

4
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Screw the hex screw M8 x 40mm into the
cylinder cover.
Force off the cylinder cover and expose the
operating piston.
Unscrew the fastening screws of the cover.
Remove the paper seal.
Paper seal must be replaced!

5
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Screw hex screws M8 x 40 mm into the cover.
Remove the fastening screw of the V-belt pulley.
The fastening screw has a though-bore (used to vent
the exciter).
Paper seal must be replaced!
Force off the cover and remove the paper seal.

6
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Screw hex screws M8 x 40 into the V-belt pulley
and force off the V-belt pulley.
Unscrew the fastening screws of the cover.
Screw hex screws M8 x 40 mm into the cover.
Force off the cover and remove the paper seal.
Paper seal must be replaced!

7
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Unscrew the fastening screws of the cover.
Screw hex screws M8 x 40 mm into the cover.
Force off the cover and remove the paper seal.
Paper seal must be replaced!
Loosen the lock ring on the adjusting eccentric shaft
and take it out.

8
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Take the washer and spring out of the adjusting
eccentric shaft.
Unscrew the headless set screw for the fastening
of the straight pin.
The washer could be pushed out by the spring
after loosening the lock ring.
The set screw is bonded in.
Loosen the straight pin with one punch and
remove it.
It is easiest to take the straight pin out of the
exciter housing after the shafts have been
removed.
Pull the adjusting bolt out of the adjusting
eccentric shaft.

9
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
Remove the lock ring.
Remove the lock ring of the piston.
Carefully knock the piston down from the adjusting
bolt with a soft face hammer.
Knock the adjusting bolt out of the bearings with
a single punch.

10
1
2
3 4
6
5
7
8
SERVICE INFORMATION
Repair manual, exciter CR 3 from 2008
1 Straight pin
2 Adjusting bolt
3 Deep-groove ball bearing
4 + 5 Lock rings
6 + 7 Piston and piston seal
8 Lock screw
Place the mounting sleeve on the adjusting
eccentric shaft to knock the opposite bearing
out of the exciter housing.
Cylindrical roller bearing falls onto the oor plate
when knocked out.
Take the adjusting eccentric shaft out of the
exciter housing.