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

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.

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

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.

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.

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.

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.

Fig. 14 Marking the pad halves

8 CA 250/252/262 W1065EN2

DRAWING 38 22 20

Andere Handbücher für CA 250

Dieses Handbuch passt für folgende Modelle

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