Cobra 4400 Instructions d'exploitation télécharger pdf (Page 38)

8 PUTTING THE CRANE INTO SERVICE

8.1 TEN RULES FOR THE PERFECT CRANE OPERATOR

Always comply with the following ten basic rules:

1 - When approaching the crane for the first time, become on familiar terms with it, executing all the

manoeuvres the crane can perform during working. Carefully read all the prescriptions of this

manual and execute step by step the activities hereby described to be sure of the correct under

standing.

2 - This manual must always be carried in the driver’s cab along with a copy of the load chart.

3 - Every operation has to be planned with care.

4 - Get all the necessary information for reaching the working site: distance, itinerary, heigth of exi

sting tunnels, capacity of the bridges to be crossed, etc.

5 - Study and plan the best way to operate the crane: soil consistence, weight and dimensions of the

loads to be lifted, heigth to be raised and necessary booms outreach. Check available room or

limitations due to the presence of buildings, obstacles, electricity power lines, etc.

6 - Make sure of availability of all the necessary equipment: accident-prevention clothings, additional

bearing plates with increased surface area, slings, hooks, ropes and chains of certified origin and

in perfect conditions.

7 - Before starting crane operations check the efficiency of the safety control devices. Never use the

crane if the correct functioning of a device is not sure.

8 - Traffic and safety laws in force must be strictly observed both when travelling on road and when

operating the crane.

9 - The warnings of these manual referred to special dangers are to be read and observed with

special care.

10 - The safety during the crane service must be kept to the highest level carrying out a regular,

constant and accurate preven tive maintenance. Repairs if necessary should never be delayed,

and must be made by specialized, authorized people using only genuine spare parts.

8.2 DAILY CHECK LIST

• Check the existence of oil leaks

• Check the correct working of the load limiting device.

• Check oil level and fill up if necessary

• Check the good conditions of hoses and piping

• Check the good conditions of painting and chrome plating

• Check the correct working of safety valves.

8.3 SAFETY TIPS FOR CRANE STARTING IN COLD CLIMATES

Only if the crane is PTO-driven: wait for some minutes with the pump running at no load before operate any

crane movement.

8.4 CRANE PROTECTION AND STORAGE

8.4.1 Short shutdowns

Wash and clean the crane, lubricate all the parts provided with grease nipples and the slewing system.

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Cobra 4400 Instructions d'exploitation Page 38