Cat 308b / 308c / 308d Used Excavator For Sale Japanese Original Excavator Cat 8tons Excavator

100h maintenance

Boom cylinder head pin, boom hinge pin, boom cylinder rod end, stick cylinder head pin, boom stick connecting pin, stick cylinder rod end, bucket cylinder head pin, stick connecting pin, check the oil level in the slewing mechanism box, and discharge water and sediment from the fuel tank

250h maintenance

It is mainly the hydraulic system. It is necessary to maintain the basic components which must be repaired regularly and eliminate the potential faults in time, including

Check the hydraulic oil for impurities, oxidation and moisture

Replace the oil filter

Check the oil level in the final drive box and replace the oil in the engine oil pan

Lubricating slewing support (2 places)

Check the belt tension of fan and air conditioner compressor, and make appropriate adjustment

Check the battery electrolyte

1000h maintenance

Replace the oil in the rotary mechanism box

Check the oil level of the shock absorber inner housing

Check all fasteners of turbocharger and clearance of rotor

Tension of engine belt

Replace the anti-corrosion filter element

Change the oil in the final drive box

Clean the hydraulic system thoroughly

2000h maintenance

Clean the filter screen of hydraulic oil tank

Clean and check the turbocharger

Check the engine and starting motor

Check the engine valve clearance

Check the shock absorber

4000H maintenance

Check the water pump

5000h maintenance

Change hydraulic oil

Other maintenance

1. New machine

Replace the fuel filter element and the additional fuel filter element every 250 hours

Check the engine valve clearance

2. Long term storage

The working device is placed on the ground

After cleaning and drying, the whole machine is stored in a dry indoor environment

Before storage, fill up the fuel tank, lubricate all parts, change the hydraulic oil and engine oil, apply a thin layer of grease on the exposed metal surface of the piston rod of the hydraulic cylinder, remove the negative terminal of the battery, or remove the battery for separate storage

Add appropriate proportion of antifreeze into the cooling water according to the minimum ambient temperature

Start the engine and operate the machine once a month

Parameter configuration of caterpillar 308B excavator

Specifications

Dynamic System

Body size