Dynapac CA 250 Gebrauchsanweisung
DYNAPAC
CA 250/252/262
WORKSHOP MANUAL
W1065EN2
Box 504, SE-371 23 Karlskrona, Sweden
Telephone +46 455 30 60 00
Telefax +46 455 30 60 30
CONVERTING DRUM
STD/D TO P/PD
19
ILF015WO1
We reserve the right to change specifications without notice.
Printed in Sweden
Vibratory roller
CA 250/252/262
Workshop Manual,
Converting drum Std/D to P/PD
W1065EN2, October 2000
These instructions apply from:
CA 250 PIN (S/N) *65120258*
CA 250D PIN (S/N) *65220244*
CA 252 PIN (S/N) *66120261*
CA 252D PIN (S/N) *66220253*
CA 262D PIN (S/N) *67220262*
2 CA 250/252/262 W1065EN2
Ensure that ventilation (extraction) is ade-
quate if the engine is run indoors.
The machine must be cared for properly to ensure satis-
factory operation. Keep the machine clean to facilitate
quick and timely detection of any leakage, loose bolts and
loose connections.
TAKE CARE OF THE ENVIRONMENT!
Do not leave behind any oil, fuel or other substances that
are detrimental to the environment.
CONTENTS
Page
Fitting.............................................................................3-7
Dismantling ...................................................................... 7
Drawing (38 22 20)........................................................... 8
Tools, hexagonal socket wrench (38 25 71) .................... 9
Safety instructions — Personal safety
Special caution — Machine or component dam-
age
WARNING SYMBOLS
- Make yourself familiar with the equipment of the ma-
chine.
- Only operate the machine if your are completely
familiar with the operating and control elements as well
as the functioning of the machine.
- Use your safety equipment like helmet, safety shoes
and hearing protection.
- Make yourself familiar with your working field.
- Only operate the machine for its intended purpose.
Please observe the guidelines of the
machine manufacturer and safety manual.
GENERAL
3CA 250/252/262 W1065EN2
FITTING
Fitting must be done in a workshop environment, on a
clean, level base and with lifting capabilities for at least
1000 kg (2,200 lbs). Ensure at least 3 meters (120") of
free space in front of the machine (see overleaf).
Make sure the drum is well cleaned.
Estimated time for this retrofitting is about 6 hours.
The following tools are required:
- Lift, at least 1000 kg (2,200 lbs)
- Screw clamps
- Drillingmachine
- Drill, 22 mm (7/8")
- Hexagonal socket wrench 38 25 71
- Torque wrench
- Socket wrenches
Before modifying
1. Dismantle the front transverse beam (1).
2. Lift the first pad half (2) and place it on top of the
drum. Align the pad half with the outer edges of the
drum. Fix the pad half with screw clamps against
the drum shell.
Keep well clear of the hoisted object. En-
sure that hoisting hooks are securely
anchored.
1
Fig.1 Fitting thepadhalf
1. Transverse beam
2. Pad half
3. Drill two 22 mm (7/8") holes through the pad shell
and the drum shell. Use the two 8 mm pre-drilled
holes as position guides.
Fig.2 Drillingthroughholes
2
4 CA 250/252/262 W1065EN2
Fig.5 Fitting the second pad half
6. Lift the second pad half in place and align it against
the outer edges of the drum.
Keep well clear of the hoisted object. En-
sure that hoisting hooks are securely
anchored.
FITTING
Fig.3 Fitted M20 bolts
Fig.4 Drum
4. Fit the two M20 bolts
(items 4, 5 and 6 in drawing 38 22 20).
5. Run the roller slowly forward until the drum is lo-
cated with the first fitted drum shell at the bottom.
It may help to place a 25 mm (1") thick plank where
the edge of the first pad will be.
The space required for this operation is 3 meters
(120").The pad half nearest to the platform/cab
must be about 100 mm (4") to the upper edge of the
drum frame.
Make sure that no one is inside the work-
ing range of the machine when you drive it
forward.
100 mm
(4")
5CA 250/252/262 W1065EN2
FITTING
Fig.6 Clearance between pad halves
Fig.7 Pad halves
13. Fitting bolts x4
7. Distribute the clearance between the pad shells.
This is to ensure that the bolts fit properly.
8. Lubricate the four fitting bolts (13) and fit them with
the head upward in the outer positioned pads on
both sides.
9. Tighten the two pad halves together.Ensure that the
clearance is evenly distributed, about 25 mm (1"),
between the halves when you tighten the bolts (use
tool 38 25 71 as a counter-support).
10.Drill two 22 mm (7/8") holes through the pad shell
and the drum shell. Fit the two M20 bolts.
13
Fig.8 Fitting thepadhalf
3. Bolts
11.Fit the two middle bolts (3) with the head upwards
and torque-tighten them (item 3 in drawing 38 22 20).
Then unscrew the outer fitting bolts and replace
them with M20x140.
12.When all four bolts are torque-tightened according
to drawing 38 22 20, reverse the machine half a turn
of the drum to gain access to the second joint.
Repeat according to the above.
Ensure that clearance is equal between the
pad shells. Use tool 38 25 71.
Save the tool and the four tightening bolts for future
use.
3
3
6 CA 250/252/262 W1065EN2
Fig. 11 Fitted shims
1. Shims
15.Place shims (1) so that the scraper teeth are posi-
tioned symmetrically between the pads.
Remember that the rubber elements are pre-
tensioned; use only enough shims to leave an
air gap of about 5 mm (3/16") between the
scraper and the drum frame, before the
scraper bolts are tightened.
FITTING
Fig.9 Fitting the teeth
Fig.10 Fitting the PD scraper
14.Fit the PD scraper 34 58 77 (item 2 in drawing
38 22 20).Weight about 275 kg (600 lbs).
Keep well clear of the hoisted object.
Ensure that hoisting hooks are securely
anchored.
13.Fit the teeth on the PD scraper.
1
5 mm
(3/16")
7CA 250/252/262 W1065EN2
FITTING
Fig.12 Scrapers
1. Scraper blade
2. Screws
Fig.13 Modifying CA 250 to PD
Adjust the scraper between scraper tooth and drum
shell to a distance of about 20–25 mm (3/4"–1").
It is important to remember that the drum tends
to move as the machine turns. Consequently,
if adjustments are made closer than the values
specified above, the scrapers might be dam-
aged or drum wear may increase.
Torque-tighten the four bolts according to drawing
38 22 20.
16.The pad shell is now fitted and the roller is ready for
operation.
After a short test-run of about 1–1/2 hour,
retighten all of the bolts that have been fitted,
and again after another 4 hours of operation.
This is necessary to compensate certain
settling of the drum shell. If retightening is
neglected, the shell may rotate on the drum
and result in serious damage to the pad shell.
DISMANTLING
Before dismantling the pad shell, mark the halves in
some permanent way to show how they are positioned
in relation to each other.
The hole pattern and any wear to the shell necessitate
refitting the shell to its initial position.
1
2
Fig. 14 Marking the pad halves
8 CA 250/252/262 W1065EN2
DRAWING 38 22 20
Andere Handbücher für CA 250
3
Dieses Handbuch passt für folgende Modelle
2
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