Operating instructions

4 Maintenance

4.1 Maintenance task reference table [QL1]

The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The

Maintenance Schedule is a stand-alone publication.

The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance

Schedule.

Task Maintenance tasks

W0500 Check engine oil level. (→ Page 142)

W0501 Visually inspect engine for leaks and general condition. (→ Page 44)

W0502 Check intercooler drain(s). (→ Page 134)

W0503 Check signal ring position of service indicator on air filter. (→ Page 138)

W0505 Check relief bores of water pump(s). (→ Page 153)

W0506 Check engine for abnormal running noises, exhaust color

and vibrations.

(→ Page 44)

W0507 Drain water and contaminants from fuel prefilter. (→ Page 44)

W0508 Check reading on vacuum gauge at fuel prefilter. (→ Page 44)

W0534 Carry out test run, minimum duration: until steady-state tem‐

perature is reached, no less than 1/3 load (monthly).

(→ Page 106)

W1001 Replace fuel filter or fuel filter element. (→ Page 126)

W1005 Replace air filter. (→ Page 135)

W1006 Replace injection valves/injectors. (→ Page 119)

W1008 Replace engine oil filter when changing engine oil, or when

the interval (years) is reached, at the latest.

(→ Page 144)

W1009 Check layer thickness of the oil residue, clean out and re‐

place filter sleeve, at every oil change, at the latest.

(→ Page 145)

W1011 Perform endoscopic examination. (→ Page 107)

W1207 Check valve clearance, adjust if necessary. Attention!First

adjustment after 1,000 operating hours!

(→ Page 113)

W1241 Check condition of drive belt, replace if necessary; adjust belt

tension.

(→ Page 162)

W1463 Check general condition of engine mounting (visual inspec‐

tion).

(→ Page 166)

W1547 Replace oil mist separator. (→ Page 111)

W1713 Injector: Reset drift correction parameters (CDC). (→ Page 167)

W1714 Check and clean oil indicator filter (if fitted). -

Table 1: Maintenance task reference table [QL1]

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