3-19
24. Maintenance Table
Daily and periodic inspection are important to keep the machine in its best condition. The following is a
summary of inspection and servicing items by inspection interval. Periodic inspection intervals vary de-
pending on the use, loads, fuels and lube oils used and handling conditions, and are hard to establish
definitively. The following should be treated only as a general standard.
When the time for an inspection approaches, study the relevant pages in the Operation & Maintenance
Manual. Keep a record of daily operation and the results of maintenance work.
24-1. Table of service time intervals
Check and service points Page
At first 50 hours (only once after the new machine has started to be used)
Replacing the engine oil and the engine oil filter element 3-22
At first 100 hours (only once after the new machine has started to be used)
Replacing the lube oil for the travel reduction gearbox 3-22
At first 250 hours (only once after the new machine has started to be used)
Replacing the hydraulic oil return filter element 3-22
Cleaning the suction filter element in the hydraulic oil tank 3-22
Nonperiodic servicing
Checking the rubber track (for rubber track type) 3-23
Checking and adjusting the rubber track tension (for rubber track type) 3-25
Replacing the rubber track (for rubber track type) 3-28
Replacing the bucket teeth 3-34
Cleaning the inside of the cooling system 3-36
Checking before start-up
Checking and replenishing the cooling water 3-40
Checking and replenishing the engine oil 3-41
Checking and replenishing the fuel in the fuel tank 3-42
Checking and replenishing the hydraulic oil in the hydraulic oil tank 3-43
Checking and adjusting the fan belt tension 3-44
Checking and replenishing the battery electrolyte 3-45
Greasing 3-46
Checking the electrical equipment 3-47
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