BACKHOE OPERATION

(If Equipped)

IMPORTANT: Read the manufacturer’s instruction manual for safe installation and before operation. DO NOT use a backhoe hat is not approved by CASE.

WARNING: Before you operate the backhoe in an area where your visibility is reduced, such as next to a building, etc., always install a guard rail and warning signs to keep other persons away from your machine.

WARNING: Before operating the backhoe, always be in the operators seat. Serious injury or death can result if you do not follow these instructions.

WARNING: Raised equipment on the machine without an operator can cause injury or death. Before you leave the operators compartment, always support or lower the equipment (backhoe, blade, boom, bucket, etc.) to the ground and stop the engine.

WARNING: A working backhoe can injure or kill. Before you start, always make sure that all persons are away from the DANGER AREA.

SA062

SA126

CM105

General

Be a careful operator; you can prevent accidents. Read the following inform and the safety section of this manual. The backhoe will dig more material in less time when a smooth, short dig cycle is used. A good operator is not just a fast operator. Keep each dig cycle smooth. IMPORTANT: Before you operate the backhoe for the first time, move the machine to an open area. Run the engine at 1/2 throttle. Actuate each backhoe control lever until each movement is smooth.

SA061

Hydraulic Power for the Backhoe

(with Hand Lever Loader Controls)

The backhoe receives hydraulic power from the auxiliary hydraulic system on the loader lift arms. Before you operate the backhoe, do the following: 1.Refer to the manufactures instruction manual for the correct oil flow.

2.Remove the lock pin from the storage hole. 3.Push down the lift side of the control pedal and lock in the

POWER position with the lock pin.

Storage Position

Lock Pin in Power Position

H04124

4.Start the engine and run at 1/2 speed. Operate the backhoe. 5.When you have finished operating the backhoe, move the lock pin from the POWER position and install it in the STORAGE position.

H04121

Engine Speed

It is recommended that you run the engine at 1/2 throttle when you operate the backhoe.

WARNING: Before starting engine, study operators manual safety messages. Read all safety signs on machine. Clear the area of other persons. Learn and practice safe use of controls before operation. It is your responsibility to understand and follow manufacturers instructions on machine operation, service, and to observe pertinent laws and regulation. Operators and service manuals can be obtained from your dealer.

SB055

Digging with the Backhoe

WARNING: Always know the location of all workers in your area. Warn them before you start working the machine. Always keep all other persons away from your area. Serious injury or death can result if you do not follow these instructions.

Filling the Bucket

SA015

Fill the bucket by operating the boom, dipper, and bucket as necessary to keep the bucket parallel with the cut. Let the bucket teeth and the cutting edge cut through the ground like a knife blade. The type of the material that you dig determines the depth of the cut.

CORRECT

WRONG Bucket will dig-in and cause a stall.

WRONG

Bucket is pushed up. This will also slow the cycle time.

B840006

Correct Trenching Method

IMPORTANT: Do not backfill a trench with the backhoe by swinging the bucket sideways against the soil.

WARNING: Before you start to work in a new area, walk around and look for holes or obstructions. Failure to find hidden holes or obstructions can cause an accident and injury.

WARNING: The backhoe is not designed to move the machine. Follow the procedure TO Move Machine Equipped with Backhoe, in this manual. Attempting to move the machine using the backhoe can result in damage to the machine and serious injury or death.

SA019

Procedure to Move the Machine When You Dig

Make sure that you check the area for obstructions, holes, etc., before you move the machine.

When you move the machine, raise the boom and retract the dipper. Raise the stabilizers.

Carefully move the machine away from the hole you are digging.

M474

Object Lifting with the Backhoe

It is important to remember that lifting operations with the backhoe attachment are subject to strict legislation. Your machine must be fitted with the following statutory safety equipment. 1.Approved load fitting ring. 2.Boom lowering speed control device. (ISO 8643) 3.Audible or visible alarm device to warn the operator of loads in excess of those authorized.

4.Special load lifting chart. See your CASE dealer. IMPORTANT: Read the backhoe manufacturers instruction before doing any lifting operations. The backhoe is NOT a crane. For this reason, always be very careful when you lift an object with the backhoe. Read the precautions that follow before you begin. 1.Know and understand each signal from the signalman before you begin. 2.Always know the location of all persons in your working area. 3.Attach a hand line to the object before you start. Make sure the person holding the hand line is away from the object. 4.Test lift the object before you begin your job.

A.Move the machine close to the object to be lifted.

B.Use a cable or sling to fasten the object to the end of the dipper at the bucket pivot pin.

C.Lift the object with the backhoe so it is one or two inches (25 to 50 mm) above the ground.

D.Swing the object all the way to one side.

E.Move the object away from the machine. Make sure you keep the object one or two inches (25 to 50 mm) above the ground. F.Lower the object to the ground if (1) one of the stabilizers is raised above the ground or (2) there is any other indication that the stability of the machine is reduced.

5.Always move the object slowly. Do not move the load over persons. 6.When the object is raised, keep all persons away until the object is lowered fully on to the ground. 7.Remember, lower the object to the ground if (1) one of the stabilizers is raised above the ground or (2) there is any other indication that the stability of the machine is reduced.