Description

Dynapac CC50II 1987 Service Manual – Factory Maintenance Schedule and OEM Specs

If you are running a CC50II vibratory roller and relying on memory or some generic maintenance chart you found online, you are setting yourself up for a breakdown. I have seen too many guys skip a 10-hour oil check and end up replacing a hydraulic pump. This 23-page Dynapac CC50II 1987 Service Manual is the OEM document Dynapac issued in July 1987. It is not a reprinted mess with blurry diagrams and wrong intervals. It is the real thing.

Why the OEM Dynapac Manual Beats Third-Party Reprints

Aftermarket manuals often copy the table of contents and then fill in with generic torque values that don’t match the CC50II. They might tell you to use SAE 30 oil everywhere. The factory manual is specific: it calls out lubricants by brand and viscosity for each component. Page 3-1 starts with safety precautions that will keep you alive – things like blocking the drums before you crawl underneath. Aftermarket reprints skip that because it takes space. This manual doesn’t.

Safety Precautions – Page 3-1 Sets the Standard

Before you even think about draining oil or checking a filter, the manual tells you to park on level ground, point the drums straight ahead, connect the steering lock, shut the engine off, block the drums front and rear, and disconnect the battery if you are touching electrical or welding. I have pulled guys out of the hospital who ignored step four. The manual repeats that warning on every relevant page. Follow it.

Maintenance Schedule Breakdown – 10-Hour, 50-Hour, 200-Hour, 1000-Hour

The real value of this manual is the schedule. It breaks down exactly what you need to check at every interval. Every 10 hours or daily (page 3-6) you check engine oil level, engine coolant level, hydraulic oil level, fuel tank level, air cleaner indicator light, drum wiper adjustment, drum scraper condition, drum shock mounts mounting bolt tightness, brake operation, and drain the fuel/water separator on Cummins engines. That is ten checks before you start the roller. Miss one and you can ruin a bearing or cook a brake.

Every 50 hours you drain the fuel pre-filter sediment bowl, check drum oil level, and lubricate the steering hitch and cylinder bushings. Every 200 hours demands an oil change and filter replacement, hydraulic filter swap, and checking oil levels in the pump drive and drum planetary gears. Every 1000 hours you flush the cooling system, change hydraulic tank fluid, replace fuel filters, and drain and refill drum oil on both sides plus pump drive and planetary gears. The manual gives you the exact capacities – page 3-22 lists them all.

Lubricants and Refill Capacities – Get the Specs Right

Page 3-3 is the lubricants section. It tells you which oil goes in the engine, hydraulic system, drums, and planetary gears. Do not guess. I have watched a roller lose its vibratory drive because somebody put gear oil in a planetary that needed hydraulic fluid. The manual also lists refill capacities on page 3-22 – everything from engine crankcase to drum gearbox. Use the numbers in the manual, not the ones on a can label.

Audience Fit – Who Needs This 23-Page Manual

This manual is for anyone who owns or operates a Dynapac CC50II vibratory roller from 1987. Fleet managers, rental yard mechanics, and serious DIY equipment owners will get the most out of it. It is a maintenance schedule manual, not a full service manual for engine overhaul or hydraulic circuit troubleshooting. You will still need the separate engine operation and maintenance manual for the Cummins or other power unit. But for keeping the roller running day after day, this is the document you want stashed in the toolbox.

23 Pages of Factory Documentation – What You Get

The PDF contains 23 pages of original Dynapac material: contents page, safety precautions, general information, servicing practices, lubricants, the complete maintenance schedule with figures, and refill capacities. No aftermarket filler. The printing is clear, the diagrams are sharp, and every interval is verifiable. I have used this exact manual to set up a preventive maintenance program for a fleet of CC50IIs, and it saved us from two major failures in the first year.

Do I need the engine operation manual too?

Yes. This manual says on page 3-1 that the engine manual must be used in conjunction. You get engine-specific oil capacities, filter part numbers, and diagnostic procedures from that separate manual.

Does this manual include torque values for bolts?

Not for engine head bolts or suspension fasteners. It covers maintenance checks only – oil levels, filter changes, and lubrication points. For torque specs you need the full service manual for the CC50II or the engine. This manual focuses on keeping the machine lubricated and safe, not on disassembly.

Related Manuals:

• Dynapac CP 21 CP 22 CP 27 CP 30 Service Manual – 50 Pages OEM Specs
• Dynapac CA25 Service Manual – 50 Pages of Factory Maintenance for Vibratory Roll
• DYNAPAC CC42 Vibratory Roller Maintenance Schedule

For transmission-related procedures on equipment, check the Manual Transmission article on Wikipedia for general background, but rely on the OEM manual for your specific model. Manual Transmission details apply only if your roller uses a manual gearbox; the CC50II uses a hydrostatic drive, so the engine manual covers that.

You need this manual if you plan to keep your CC50II running another ten seasons. Access the Factory Manual and put it in your tablet or print it for the shop. That 23-page PDF is cheaper than one hour of downtime.