Weichai America Corp.
Revision: October 2018 16
Maintenance Intervals– Non-emergency
Preventative Maintenance Schedule – Non-Emergency
Event
Number
Maintenance Event Weekly
Interval
(Hours)
Interval
The first
50hours
500 1500 6 months
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 Check/Adjust Valve Lash X
7 Spark Plugs (Check/Adjust/Replace) X
8 Check Air Filter (Inspect/Replace) X
9 Replace Breather Filter(WP10GNA only) 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 Inspect Turbocharger (WP10GTA only) X
16 Replace Coolant Every 2 Years
Table 2
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.
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
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