Caterpillar Excavator 320D

WARNING: Unexpected machine movement can cause injury or death. Move the hydraulic lockout control to the LOCKED position and attach a Special Instruction, SEHS7332, “Do Not Operate” or similar warning tag to the hydraulic lockout control.

NOTICE: Improperly adjusted bucket clearance could cause galling on the contact surfaces of the bucket and stick, resulting in excessive noise and/or damaged Oring seals.

Bucket Linkage - Inspect/Adjust

Is the machine positioned on a level surface and the bucket lowered to the ground?

Is the stick boss and the bucket boss in full face contact at no gap?

Enter the measured bucket clearance

Enter the number of shims that need to be removed

Are there a minimum of three 0.5 mm shims?

Is the pin aligned with the pin hole after removing the shims?

Obtained a sample of the engine oil from the engine oil sampling valve located on the engine oil filter housing?

Final Drive Oil Sample - Obtain

Positioned the final drive so that oil drain plug is at the bottom?

Obtained a sample of the final drive oil through the hole for the oil level plug?

Fuel System Primary Filter (Water Separator) Element - Replace

Opened the rear access door on the left side of the machine?

WARNING: Personal injury can result from hot coolant, steam and alkali.

At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.

Remove cooling system pressure cap slowly to relieve pressure only when engine is stopped and cooling system pressure cap is cool enough to touch with your bare hand.

Do not attempt to tighten hose connections when the coolant is hot, the hose can come off causing burns.

Cooling System Coolant Additive contains alkali. Avoid contact with skin and eyes.

Use Caterpillar Extended Life Coolant (ELC) when you add coolant to the cooling system. See Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations” for all cooling system requirements.

Use a Coolant Conditioner Test Kit in order to check the concentration of the coolant.

NOTICE: Mixing ELC with other products will reduce the effectiveness of the coolant. This could result in damage to cooling system components.

If Caterpillar products are not available and commercial products must be used, make sure they have passed the Caterpillar EC-1 specification for premixed or concentrate coolants and Caterpillar Extender.

Inspect the belts for wear and cracking

Measure the deflection of the belt

Check if the belt tension is correct

Check if the belt is worn or frayed

Check if the belt adjustment is correct after 30 minutes of operation

Air Conditioner Belt (If Equipped)

Check if the V-belt is tensioned correctly

Measure the deflection of the V-belt

WARNING: Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin

1. Position one final drive so that oil drain plug (2) is at the bottom.

Note: Refer to Operation and Maintenance Manual, “General Hazard Information” for information on Containing Fluid Spillage.

2. Remove drain plug (2) and level plug (1). Allow the oil to drain into a suitable container.

3. Clean the plugs and inspect the O-ring seals. If wear or damage is evident, replace the drain plug, the level plug, and/or the O-ring seals.

5. Fill the final drive to the bottom of the opening on level plug (1). See Operation and Maintenance Manual, “Lubricant Viscosities” and Operation and Maintenance Manual, “Capacities (Refill)”.

Note: If the oil fills slowly, the fill hole may be blocked by the planetary gear. Rotate the final drive to move the planetary gear away from the fill hole.