Weichai America Corp.
Revision: August 2019 16
Maintenance Intervals – Emergency
Preventative Maintenance Schedule – Emergency
Event
Number
Maintenance Event Weekly
Interval
Every
Two
Years
The first
50 hours
6
months
250 hrs or
1 year
1 Check Engine Oil Level X X
2 Check Engine Coolant Level X X
3 Check Oil Pressure X X
4
Check Overall Operating Condition
(hose/clamp/pipe/belt/harness/connector)
X X
5 Change Oil and Oil Filter * (Sample)#
X
6 Valve Lash (Inspect/Adjust) X
7 Spark Plugs (Check/Adjust/Replace)
X
8 Check Air Filter * (Inspect/Replace)
X
9 Replace Breather Filter
X
10
Belts**, Pipes, Clamps and Hoses
(Inspect/Replace)
X X
11 Check Ignition System (Plug Wires/Coils) X
12 Check Coolant Condition * (Sample) X
13 Inspect Water Pump X
14 Test Batteries & Alternator X
15 Replace Coolant X
Table 1
Service may be required more frequently in dirty or extreme conditions; recommend
sampling fluids.
# Actual oil life and change interval is determined through engine oil sampling and analysis.
** It is recommended to replace Belt every 3 months.
WARNING
Before servicing engine, ensure the engine has stopped and all high voltage disconnect
switches
are in the open (disconnected) position.
CAUTION
Failure to follow these procedures could cause engine damage or decreased engine life.
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