WEICHAI WP10.270 - Regular Inspection and Maintenance of Diesel Engine

Operation and Maintenance Manual forWP10 Series Four-valve Diesel Engine (China IV, V)
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Use cap or plastic cloth to seal oil, air and water inlets and outlets; use VCI film to cover the whole diesel engine.
Note: Outer packing is needed for transportation.
5.4 Regular inspection and maintenance of diesel engine
Table 5-4 Using conditions of matched vehicles
(WG I)
(WG II)
Working under severe conditions (extremely cold or hot;
dusty; short distance transport; working on construction site
and city buses, municipal engineering vehicles, snow
sweeper vehicles or fire trucks) or annual mileage is less
than 20,000 km or annual working timeis less than 600h.
Various commercial vehicles that annual mileage is
more than 20,000 km.
Table 5-5 Maintenance interval
Using
conditions
Items
Mileage (time)
WG I
WG II
First mandatory
maintenance
3,000km (or 50h)
A
A
Routine maintenance
10,000km (or 200h)
B
C
30,000 km (or400h)
B
For WG II using conditions, it should replace the oil filter element in the Weichai
designated service center every 10,000km (or 200h).
Note: “A” -
First mandatory maintenance
: replace the oil, oil filter element;
“B” - Routine maintenance: Replace the oil, oil filter element, primary and secondary fuel filter elements;
“C” – Replace the oil filter element only.
Table 5-6 Specification of diesel engine maintenance
Maintenance items
First mandatory maintenance
Routine maintenance
Replace oil filter or filter element
●
Every time when changing the
oil
Check and adjust the valve clearance
●
●
Check coolant amount and add if necessary
●
●
Tighten the clamps for cooling system pipeline
●
Tighten air intake pipe, hose and flange fitting
●
●
Check the maintenance indicating light or
indicator of air filter
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