Page 1
CP271 PIN (S/N) *2362(BR)0700* CP221 and 271 are heavy pneumatic rollers designed for the surface sealing and compacting of asphalt together with steel-drum rollers. Due to their very high weight these pneumatic rollers are also suitable for the compacting of subbases and base courses.
State of California to cause cancer, birth defects, This manual contains instructions for operation and use of and other reproductive harm. the roller. For care and maintenance information, see the MAINTENANCE, CP221/271 manual. CP221/271 O221EN5...
17. Make no changes or modifications on the roller that could affect safety. Changes may only be made following written consent by Dynapac. 18. Do not use the roller until the hydraulic fluid has reached its normal working temperature.
When driving close to unsafe edges or holes, make sure that at least 1/4 of the outer tire width is firmly on material that has already been compacted. At least Fig. 1 Wheel position when driving close to edge CP221/271 O221EN5...
Page 5
Tighten the adjusting screw (1) until it is just possible to remove the shim. Tighten the lock nut (2). Repeat the procedure on the other brake yoke. Fig. 3 Service cover, under operator’s station 1. Adjusting screw (2x) 2. Lock nut (2x) 3. Brake yoke (2x) CP221/271 O221EN5...
SAFETY DECALS, LOCATION AND DESCRIPTION = Option CP221/271 O221EN5...
Page 7
Mass 903424 588176 Warning for hot surface. 904870 Lifting The surface must not be Hoisting plate point touched. 903425 382751 Battery Securing disconnector Hydraulic Handbooks point fluid 791276 Sound Power level CP221/271 O221EN5...
1. Type plate maximum values for this model and application. cold Int. Exh. Fuel rate at rated HP Date of MFG. Firing Order 2. EPA sign (USA) Made in Great Britain. XXXXXXX Rated HP/KW CP221/271 O221EN5...
Normal reading 1270–1550 pressure kPa (184–225 psi). Indicates temperature of transmission oil. Gauge, transmission oil Normal working range 80 to 95°C. temperature Alarm, low brake pressure Alarm signal sounds if pressure is below 4 kg/cm (58 psi). CP221/271 O221EN5...
Page 11
Lower over the panel as protection against Panel cover the weather and sabotage. Clean the air filter if the red service indicator Air filter service indicator lights at full engine speed. Controls the tire pressure. Tire pressure control valve (Optional) CP221/271 O221EN5...
Page 12
Normally used only for not moving machine and parking. Can be used in an emergency situation, but this requires readjustment. Brake warning lamp The lamp lights when the parking brake knob is pushed in and the brakes are applied. CP221/271 O221EN5...
– Length adjustment (1) – Back slope adjustment (2) – Weight adjustment (3) Always make sure that the seat is secure before beginning operation. Fig. 9 Operator’s seat 1. Length adjustment 2. Back slope adjustment 3. Weight adjustment CP221/271 O221EN5...
Page 14
Make sure that anti-slip (2) on the platform is in good condition; replace with new anti- slip if friction is poor. Fig. 11 Operator’s station 1. Seat belt 2. Anti-slip CP221/271 O221EN5...
Page 15
The final speed of the roller depends on the speed range selected with the gear lever. Use the accelerator pedal (1) to increase or reduce speed of the roller within the range. Fig. 13 Pedals 1. Accelerator 2. Foot brake CP221/271 O221EN5...
Do not move the roller before pressure of Fig. 15 Brake pedal the system has reached the specified operating level. Test the brake by pressing the parking brake knob (37) while the roller is running slowly forward. CP221/271 O221EN5...
Remove the locking pins and pull out the rod. Lift the scrapers and put the rod in the same place through existing holes under the scrapers. Fit the locking pins. Fig. 21 Out of measure mode 1. Coconut mats CP221/271 O221EN5...
Used for degradation run. Fig. 24 Normal pressure High tire pressure – 830 kPa (120.4 psi) The higher the tire pressure the higher the contact pressure. Used on thicker courses and finishing run. Fig. 25 High pressure, smaller area CP221/271 O221EN5...
The service weight of the roller consists of the weight of the roller plus the weight of the ballast. Thicker courses requires a heavier roller for efficient compacting, thinner course do not require such a heavy roller. CP221/271 O221EN5...
When filling the roller with mixed ballast, begin with the available pieces of steel and then add the required amount of sand and water. Distribute the ballast evenly. Sand should be moistened with water when being filled. This will contribute to distributing the sand evenly. CP221/271 O221EN5...
Activate the parking brake! Turn the ignition switch (2) to mode O. Lower the instrument cover and lock it. Fig. 28 Instrument panel 21. Ignition switch CP221/271 O221EN5...
Fig. 31 Roller prepared for lifting Do not walk under a suspended load. 1. Hoisting plate Ensure that the hooks of the lifting chains are fitted securely in their positions. CP221/271 O221EN5...
Block up under the frame (2) to avoid damage to the machine. Clamp down the roller with lashing straps (3) at all four corners; decals indicate the fixing points. Fig. 34 Transporting a roller 1. Chock 2. Block up 3. Lashing wire CP221/271 O221EN5...
10. Stop the machine before changing direction of travel or shifting gear. 11. Parking: – Push in the parking brake knob. – Stop the engine and chock the wheels. 12. Hoisting: – See the the instruction. 13. Towing: – See the instruction. 14. Transport: – See the instruction. CP221/271 O221EN5...
Need help?
Do you have a question about the CP221 and is the answer not in the manual?
Questions and answers